CVE-2022-49094

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So memcpy() require 16 bytes from 12 bytes\nmemory space will trigger slab-out-of-bounds bug as following:\n\n==================================================================\nBUG: KASAN: slab-out-of-bounds in decrypt_internal+0x385/0xc40 [tls]\nRead of size 16 at addr ffff888114e84e60 by task tls/10911\n\nCall Trace:\n <TASK>\n dump_stack_lvl+0x34/0x44\n print_report.cold+0x5e/0x5db\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_report+0xab/0x120\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_check_range+0xf9/0x1e0\n memcpy+0x20/0x60\n decrypt_internal+0x385/0xc40 [tls]\n ? tls_get_rec+0x2e0/0x2e0 [tls]\n ? process_rx_list+0x1a5/0x420 [tls]\n ? tls_setup_from_iter.constprop.0+0x2e0/0x2e0 [tls]\n decrypt_skb_update+0x9d/0x400 [tls]\n tls_sw_recvmsg+0x3c8/0xb50 [tls]\n\nAllocated by task 10911:\n kasan_save_stack+0x1e/0x40\n __kasan_kmalloc+0x81/0xa0\n tls_set_sw_offload+0x2eb/0xa20 [tls]\n tls_setsockopt+0x68c/0x700 [tls]\n __sys_setsockopt+0xfe/0x1b0\n\nReplace the crypto_aead_ivsize() with prot->iv_size + prot->salt_size\nwhen memcpy() iv value in TLS_1_3_VERSION scenario."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL"}, "scenarios": [{"lang": "en", "value": "AV:N - The bug is in kTLS software RX decrypt_internal(), reached when decrypting TLS records on an established kTLS socket; a remote TLS peer\u2019s application data drives tls_sw_recvmsg \u2192 decrypt_skb_update \u2192 decrypt_internal on network-facing kTLS services (including embedded/IoT AES-CCM deployments).\nAC:L - For TLS 1.3 AES-CCM-128 (or SM4-CCM), every decrypt reliably performs the oversized memcpy; the attacker only needs to send TLS records to a socket already configured with that cipher, with no race or uncontrollable timing.\nPR:N - A remote client needs no local account or capability on the victim host; there is no authentication gate on the kTLS decrypt path beyond being a peer on the TLS connection.\nUI:N - No separate victim action is required; normal automated receive/decrypt of attacker-sent TLS records triggers the bug.\nS:U - Impact is kernel heap corruption within the same host/kernel security authority, not a VM escape, IOMMU bypass, or other cross-boundary compromise.\nC:H - The memcpy both reads 4 bytes past the 12-byte rx.iv allocation (heap adjacent/padding contents enter the IV) and, with CCM iv_offset=1, writes one byte past the destination IV buffer\u2014memory corruption that can be leveraged for information disclosure.\nI:H - The destination overrun is a heap out-of-bounds write past the decrypt scratch allocation, which is exploitable memory corruption consistent with integrity compromise or control-flow hijacking.\nA:H - KASAN reports a slab-out-of-bounds fault in decrypt_internal, and the heap corruption can cause kernel oops/panic when adjacent objects are corrupted."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/tls/tls_sw.c"], "versions": [{"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "2b7d14c105dd8f6412eda5a91e1e6154653731e3", "status": "affected", "versionType": "git"}, {"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "589154d0f18945f41d138a5b4e49e518d294474b", "status": "affected", "versionType": "git"}, {"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "6e2f1b033b17dedda51d465861b69e58317d6343", "status": "affected", "versionType": "git"}, {"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "29be1816cbab9a0dc6243120939fd10a92753756", "status": "affected", "versionType": "git"}, {"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "2304660ab6c425df64d95301b601424c6a50f28b", "status": "affected", "versionType": "git"}, {"version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "9381fe8c849cfbe50245ac01fc077554f6eaa0e2", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/tls/tls_sw.c"], "versions": [{"version": "5.2", "status": "affected"}, {"version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.189", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.111", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.34", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16.20", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.3", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.4.189"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.10.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.15.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.16.20"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.17.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/2b7d14c105dd8f6412eda5a91e1e6154653731e3"}, {"url": "https://git.kernel.org/stable/c/589154d0f18945f41d138a5b4e49e518d294474b"}, {"url": "https://git.kernel.org/stable/c/6e2f1b033b17dedda51d465861b69e58317d6343"}, {"url": "https://git.kernel.org/stable/c/29be1816cbab9a0dc6243120939fd10a92753756"}, {"url": "https://git.kernel.org/stable/c/2304660ab6c425df64d95301b601424c6a50f28b"}, {"url": "https://git.kernel.org/stable/c/9381fe8c849cfbe50245ac01fc077554f6eaa0e2"}], "title": "net/tls: fix slab-out-of-bounds bug in decrypt_internal", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2022-49094", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-10-15T21:17:38.615000Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-15T21:21:06.791Z"}}]}}

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the attacker only needs to send TLS records to a socket already configured with that cipher, with no race or uncontrollable timing.\nPR:N - A remote client needs no local account or capability on the victim host; there is no authentication gate on the kTLS decrypt path beyond being a peer on the TLS connection.\nUI:N - No separate victim action is required; normal automated receive/decrypt of attacker-sent TLS records triggers the bug.\nS:U - Impact is kernel heap corruption within the same host/kernel security authority, not a VM escape, IOMMU bypass, or other cross-boundary compromise.\nC:H - The memcpy both reads 4 bytes past the 12-byte rx.iv allocation (heap adjacent/padding contents enter the IV) and, with CCM iv_offset=1, writes one byte past the destination IV buffer\u2014memory corruption that can be leveraged for information disclosure.\nI:H - The destination overrun is a heap out-of-bounds write past the decrypt scratch allocation, which is exploitable memory corruption consistent with integrity compromise or control-flow hijacking.\nA:H - KASAN reports a slab-out-of-bounds fault in decrypt_internal, and the heap corruption can cause kernel oops/panic when adjacent objects are corrupted."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "2b7d14c105dd8f6412eda5a91e1e6154653731e3", "versionType": "git"}, {"status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "589154d0f18945f41d138a5b4e49e518d294474b", "versionType": "git"}, {"status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "6e2f1b033b17dedda51d465861b69e58317d6343", "versionType": "git"}, {"status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "29be1816cbab9a0dc6243120939fd10a92753756", "versionType": "git"}, {"status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "2304660ab6c425df64d95301b601424c6a50f28b", "versionType": "git"}, {"status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "lessThan": "9381fe8c849cfbe50245ac01fc077554f6eaa0e2", "versionType": "git"}], "programFiles": ["net/tls/tls_sw.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.2"}, {"status": "unaffected", "version": "0", "lessThan": "5.2", "versionType": "semver"}, {"status": "unaffected", "version": "5.4.189", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.111", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.34", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "5.16.20", "versionType": "semver", "lessThanOrEqual": "5.16.*"}, {"status": "unaffected", "version": "5.17.3", "versionType": "semver", "lessThanOrEqual": "5.17.*"}, {"status": "unaffected", "version": "5.18", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/tls/tls_sw.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/2b7d14c105dd8f6412eda5a91e1e6154653731e3"}, {"url": "https://git.kernel.org/stable/c/589154d0f18945f41d138a5b4e49e518d294474b"}, {"url": "https://git.kernel.org/stable/c/6e2f1b033b17dedda51d465861b69e58317d6343"}, {"url": "https://git.kernel.org/stable/c/29be1816cbab9a0dc6243120939fd10a92753756"}, {"url": "https://git.kernel.org/stable/c/2304660ab6c425df64d95301b601424c6a50f28b"}, {"url": "https://git.kernel.org/stable/c/9381fe8c849cfbe50245ac01fc077554f6eaa0e2"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/tls: fix slab-out-of-bounds bug in decrypt_internal\n\nThe memory size of tls_ctx->rx.iv for AES128-CCM is 12 setting in\ntls_set_sw_offload(). The return value of crypto_aead_ivsize()\nfor \"ccm(aes)\" is 16. So memcpy() require 16 bytes from 12 bytes\nmemory space will trigger slab-out-of-bounds bug as following:\n\n==================================================================\nBUG: KASAN: slab-out-of-bounds in decrypt_internal+0x385/0xc40 [tls]\nRead of size 16 at addr ffff888114e84e60 by task tls/10911\n\nCall Trace:\n <TASK>\n dump_stack_lvl+0x34/0x44\n print_report.cold+0x5e/0x5db\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_report+0xab/0x120\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_check_range+0xf9/0x1e0\n memcpy+0x20/0x60\n decrypt_internal+0x385/0xc40 [tls]\n ? tls_get_rec+0x2e0/0x2e0 [tls]\n ? process_rx_list+0x1a5/0x420 [tls]\n ? tls_setup_from_iter.constprop.0+0x2e0/0x2e0 [tls]\n decrypt_skb_update+0x9d/0x400 [tls]\n tls_sw_recvmsg+0x3c8/0xb50 [tls]\n\nAllocated by task 10911:\n kasan_save_stack+0x1e/0x40\n __kasan_kmalloc+0x81/0xa0\n tls_set_sw_offload+0x2eb/0xa20 [tls]\n tls_setsockopt+0x68c/0x700 [tls]\n __sys_setsockopt+0xfe/0x1b0\n\nReplace the crypto_aead_ivsize() with prot->iv_size + prot->salt_size\nwhen memcpy() iv value in TLS_1_3_VERSION scenario."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.189", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.111", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.34", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.16.20", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.17.3", "versionStartIncluding": "5.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.18", "versionStartIncluding": "5.2"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T08:53:54.079Z"}}}, "cveMetadata": {"cveId": "CVE-2022-49094", "state": "PUBLISHED", "dateUpdated": "2026-10-15T21:21:06.791Z", "dateReserved": "2025-02-26T01:49:39.249Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2025-02-26T01:54:48.163Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/tls/tls_sw.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "2b7d14c105dd8f6412eda5a91e1e6154653731e3", "status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "versionType": "git"}, {"lessThan": "589154d0f18945f41d138a5b4e49e518d294474b", "status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "versionType": "git"}, {"lessThan": "6e2f1b033b17dedda51d465861b69e58317d6343", "status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "versionType": "git"}, {"lessThan": "29be1816cbab9a0dc6243120939fd10a92753756", "status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "versionType": "git"}, {"lessThan": "2304660ab6c425df64d95301b601424c6a50f28b", "status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "versionType": "git"}, {"lessThan": "9381fe8c849cfbe50245ac01fc077554f6eaa0e2", "status": "affected", "version": "f295b3ae9f5927e084bd5decdff82390e3471801", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/tls/tls_sw.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.2"}, {"lessThan": "5.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.189", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.111", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.34", "versionType": "semver"}, {"lessThanOrEqual": "5.16.*", "status": "unaffected", "version": "5.16.20", "versionType": "semver"}, {"lessThanOrEqual": "5.17.*", "status": "unaffected", "version": "5.17.3", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "5.18", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "1C388193-E002-43D1-9296-FE6FEC623F34", "versionEndExcluding": "5.4.189", "versionStartIncluding": "5.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "96258501-7BCE-4C55-8A38-8AC9D327626D", "versionEndExcluding": "5.10.111", "versionStartIncluding": "5.5", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D25878D3-7761-4E9F-8919-E92CD53896E0", "versionEndExcluding": "5.15.34", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "ABBBA66E-0244-4621-966B-9790AF1EEB00", "versionEndExcluding": "5.16.20", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AE420AC7-1E59-4398-B84F-71F4B4337762", "versionEndExcluding": "5.17.3", "versionStartIncluding": "5.17", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:*", "matchCriteriaId": "6AD94161-84BB-42E6-9882-4FC0C42E9FC1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet/tls: fix slab-out-of-bounds bug in decrypt_internal\n\nThe memory size of tls_ctx->rx.iv for AES128-CCM is 12 setting in\ntls_set_sw_offload(). The return value of crypto_aead_ivsize()\nfor \"ccm(aes)\" is 16. So memcpy() require 16 bytes from 12 bytes\nmemory space will trigger slab-out-of-bounds bug as following:\n\n==================================================================\nBUG: KASAN: slab-out-of-bounds in decrypt_internal+0x385/0xc40 [tls]\nRead of size 16 at addr ffff888114e84e60 by task tls/10911\n\nCall Trace:\n <TASK>\n dump_stack_lvl+0x34/0x44\n print_report.cold+0x5e/0x5db\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_report+0xab/0x120\n ? decrypt_internal+0x385/0xc40 [tls]\n kasan_check_range+0xf9/0x1e0\n memcpy+0x20/0x60\n decrypt_internal+0x385/0xc40 [tls]\n ? tls_get_rec+0x2e0/0x2e0 [tls]\n ? process_rx_list+0x1a5/0x420 [tls]\n ? tls_setup_from_iter.constprop.0+0x2e0/0x2e0 [tls]\n decrypt_skb_update+0x9d/0x400 [tls]\n tls_sw_recvmsg+0x3c8/0xb50 [tls]\n\nAllocated by task 10911:\n kasan_save_stack+0x1e/0x40\n __kasan_kmalloc+0x81/0xa0\n tls_set_sw_offload+0x2eb/0xa20 [tls]\n tls_setsockopt+0x68c/0x700 [tls]\n __sys_setsockopt+0xfe/0x1b0\n\nReplace the crypto_aead_ivsize() with prot->iv_size + prot->salt_size\nwhen memcpy() iv value in TLS_1_3_VERSION scenario."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/tls: corrige el error de slab fuera de los l\u00edmites en decrypt_internal El tama\u00f1o de memoria de tls_ctx-&gt;rx.iv para AES128-CCM es 12 configurado en tls_set_sw_offload(). El valor de retorno de crypto_aead_ivsize() para \"ccm(aes)\" es 16. Por lo tanto, memcpy() requiere 16 bytes de 12 bytes de espacio de memoria y activar\u00e1 un error de losa fuera de los l\u00edmites de la siguiente manera: ========================================================================= ERROR: KASAN: losa fuera de los l\u00edmites en decrypt_internal+0x385/0xc40 [tls] Lectura de tama\u00f1o 16 en la direcci\u00f3n ffff888114e84e60 por la tarea tls/10911 Seguimiento de llamadas: dump_stack_lvl+0x34/0x44 print_report.cold+0x5e/0x5db ? decrypt_internal+0x385/0xc40 [tls] kasan_report+0xab/0x120 ? decrypt_internal+0x385/0xc40 [tls] kasan_check_range+0xf9/0x1e0 memcpy+0x20/0x60 decrypt_internal+0x385/0xc40 [tls] ? tls_get_rec+0x2e0/0x2e0 [tls] ? process_rx_list+0x1a5/0x420 [tls] ? tls_setup_from_iter.constprop.0+0x2e0/0x2e0 [tls] decrypt_skb_update+0x9d/0x400 [tls] tls_sw_recvmsg+0x3c8/0xb50 [tls] Asignado por la tarea 10911: kasan_save_stack+0x1e/0x40 __kasan_kmalloc+0x81/0xa0 tls_set_sw_offload+0x2eb/0xa20 [tls] tls_setsockopt+0x68c/0x700 [tls] __sys_setsockopt+0xfe/0x1b0 Reemplace crypto_aead_ivsize() con prot-&gt;iv_size + prot-&gt;salt_size cuando el valor iv de memcpy() est\u00e9 en Escenario TLS_1_3_VERSION."}], "id": "CVE-2022-49094", "lastModified": "2026-10-15T22:17:23.177", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-49094", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-10-15T21:17:38.615000Z", "version": "2.0.3"}}]}, "published": "2025-02-26T07:00:46.747", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2304660ab6c425df64d95301b601424c6a50f28b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/29be1816cbab9a0dc6243120939fd10a92753756"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2b7d14c105dd8f6412eda5a91e1e6154653731e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/589154d0f18945f41d138a5b4e49e518d294474b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6e2f1b033b17dedda51d465861b69e58317d6343"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/9381fe8c849cfbe50245ac01fc077554f6eaa0e2"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net/tls: fix slab-out-of-bounds bug in decrypt_internal", "id": "2348196", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2348196"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet/tls: fix slab-out-of-bounds bug in decrypt_internal\nThe memory size of tls_ctx->rx.iv for AES128-CCM is 12 setting in\ntls_set_sw_offload(). The return value of crypto_aead_ivsize()\nfor \"ccm(aes)\" is 16. So memcpy() require 16 bytes from 12 bytes\nmemory space will trigger slab-out-of-bounds bug as following:\n==================================================================\nBUG: KASAN: slab-out-of-bounds in decrypt_internal+0x385/0xc40 [tls]\nRead of size 16 at addr ffff888114e84e60 by task tls/10911\nCall Trace:\n<TASK>\ndump_stack_lvl+0x34/0x44\nprint_report.cold+0x5e/0x5db\n? decrypt_internal+0x385/0xc40 [tls]\nkasan_report+0xab/0x120\n? decrypt_internal+0x385/0xc40 [tls]\nkasan_check_range+0xf9/0x1e0\nmemcpy+0x20/0x60\ndecrypt_internal+0x385/0xc40 [tls]\n? tls_get_rec+0x2e0/0x2e0 [tls]\n? process_rx_list+0x1a5/0x420 [tls]\n? tls_setup_from_iter.constprop.0+0x2e0/0x2e0 [tls]\ndecrypt_skb_update+0x9d/0x400 [tls]\ntls_sw_recvmsg+0x3c8/0xb50 [tls]\nAllocated by task 10911:\nkasan_save_stack+0x1e/0x40\n__kasan_kmalloc+0x81/0xa0\ntls_set_sw_offload+0x2eb/0xa20 [tls]\ntls_setsockopt+0x68c/0x700 [tls]\n__sys_setsockopt+0xfe/0x1b0\nReplace the crypto_aead_ivsize() with prot->iv_size + prot->salt_size\nwhen memcpy() iv value in TLS_1_3_VERSION scenario."], "name": "CVE-2022-49094", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49094\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49094\nhttps://lore.kernel.org/linux-cve-announce/2025022659-CVE-2022-49094-9749@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-13T11:14:03.628878+00:00", "updated": "2025-07-13T11:14:03.628932+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}