CVE-2022-49927

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00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<000000007a4c434a>] nfs4_find_or_create_slot+0x8e/0x130\n [<000000005472a39c>] nfs4_realloc_slot_table+0x23f/0x270\n [<00000000cd8ca0eb>] nfs40_init_client+0x4a/0x90\n [<00000000128486db>] nfs4_init_client+0xce/0x270\n [<000000008d2cacad>] nfs4_set_client+0x1a2/0x2b0\n [<000000000e593b52>] nfs4_create_server+0x300/0x5f0\n [<00000000e4425dd2>] nfs4_try_get_tree+0x65/0x110\n [<00000000d3a6176f>] vfs_get_tree+0x41/0xf0\n [<0000000016b5ad4c>] path_mount+0x9b3/0xdd0\n [<00000000494cae71>] __x64_sys_mount+0x190/0x1d0\n [<000000005d56bdec>] do_syscall_64+0x35/0x80\n [<00000000687c9ae4>] entry_SYSCALL_64_after_hwframe+0x46/0xb0"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/nfs/nfs4client.c"], "versions": [{"version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": 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"https://git.kernel.org/stable/c/45aea4fbf61e205649c29200726b9f45c1718a67"}, {"url": "https://git.kernel.org/stable/c/24641993a7dce6b1628645f4e1d97ca06c9f765d"}, {"url": "https://git.kernel.org/stable/c/db333ae981fb8843c383aa7dbf62cc682597d401"}, {"url": "https://git.kernel.org/stable/c/7e8436728e22181c3f12a5dbabd35ed3a8b8c593"}], "title": "nfs4: Fix kmemleak when allocate slot failed", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-401", "lang": "en", "description": "CWE-401 Missing Release of Memory after Effective Lifetime"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}, {"other": {"type": 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"2025-10-01T14:17:52.407Z"}}], "cna": {"title": "nfs4: Fix kmemleak when allocate slot failed", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "84b5cb476903003ae9ca88f32b57ff0eaefa6d4c", "versionType": "git"}, {"status": "affected", "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "aae35a0c8a775fa4afa6a4e7dab3f936f1f89bbb", "versionType": "git"}, {"status": "affected", "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "86ce0e93cf6fb4d0c447323ac66577c642628b9d", "versionType": "git"}, {"status": "affected", "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "925cb538bd5851154602818dc80bf4b4d924c127", "versionType": "git"}, {"status": "affected", "version": "abf79bb341bf52f75f295b850abdf5f78f584311", "lessThan": "45aea4fbf61e205649c29200726b9f45c1718a67", 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00 00 00 00 00 ................\n backtrace:\n [<000000007a4c434a>] nfs4_find_or_create_slot+0x8e/0x130\n [<000000005472a39c>] nfs4_realloc_slot_table+0x23f/0x270\n [<00000000cd8ca0eb>] nfs40_init_client+0x4a/0x90\n [<00000000128486db>] nfs4_init_client+0xce/0x270\n [<000000008d2cacad>] nfs4_set_client+0x1a2/0x2b0\n [<000000000e593b52>] nfs4_create_server+0x300/0x5f0\n [<00000000e4425dd2>] nfs4_try_get_tree+0x65/0x110\n [<00000000d3a6176f>] vfs_get_tree+0x41/0xf0\n [<0000000016b5ad4c>] path_mount+0x9b3/0xdd0\n [<00000000494cae71>] __x64_sys_mount+0x190/0x1d0\n [<000000005d56bdec>] do_syscall_64+0x35/0x80\n [<00000000687c9ae4>] entry_SYSCALL_64_after_hwframe+0x46/0xb0"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "4.9.333", "versionStartIncluding": "3.12"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": 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"5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EC9A754E-625D-42F3-87A7-960D643E2867", "versionEndExcluding": "6.0.8", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*", "matchCriteriaId": "17F0B248-42CF-4AE6-A469-BB1BAE7F4705", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*", "matchCriteriaId": "E2422816-0C14-4B5E-A1E6-A9D776E5C49B", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfs4: Fix kmemleak when allocate slot failed\n\nIf one of the slot allocate failed, should cleanup all the other\nallocated slots, otherwise, the allocated slots will leak:\n\n unreferenced object 0xffff8881115aa100 (size 64):\n comm \"\"mount.nfs\"\", pid 679, jiffies 4294744957 (age 115.037s)\n hex dump (first 32 bytes):\n 00 cc 19 73 81 88 ff ff 00 a0 5a 11 81 88 ff ff ...s......Z.....\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<000000007a4c434a>] nfs4_find_or_create_slot+0x8e/0x130\n [<000000005472a39c>] nfs4_realloc_slot_table+0x23f/0x270\n [<00000000cd8ca0eb>] nfs40_init_client+0x4a/0x90\n [<00000000128486db>] nfs4_init_client+0xce/0x270\n [<000000008d2cacad>] nfs4_set_client+0x1a2/0x2b0\n [<000000000e593b52>] nfs4_create_server+0x300/0x5f0\n [<00000000e4425dd2>] nfs4_try_get_tree+0x65/0x110\n [<00000000d3a6176f>] vfs_get_tree+0x41/0xf0\n [<0000000016b5ad4c>] path_mount+0x9b3/0xdd0\n [<00000000494cae71>] __x64_sys_mount+0x190/0x1d0\n [<000000005d56bdec>] do_syscall_64+0x35/0x80\n [<00000000687c9ae4>] entry_SYSCALL_64_after_hwframe+0x46/0xb0"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: nfs4: Se corrige kmemleak cuando falla la asignaci\u00f3n de ranura Si falla la asignaci\u00f3n de una ranura, se deben limpiar todas las dem\u00e1s ranuras asignadas, de lo contrario, las ranuras asignadas tendr\u00e1n fugas: objeto sin referencia 0xffff8881115aa100 (tama\u00f1o 64): comm \"\"mount.nfs\"\", pid 679, jiffies 4294744957 (edad 115.037s) volcado hexadecimal (primeros 32 bytes): 00 cc 19 73 81 88 ff ff 00 a0 5a 11 81 88 ff ff ...s......Z..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ seguimiento inverso:[&lt;000000007a4c434a&gt;] nfs4_find_or_create_slot+0x8e/0x130 [&lt;000000005472a39c&gt;] nfs4_realloc_slot_table+0x23f/0x270 [&lt;00000000cd8ca0eb&gt;] nfs40_init_client+0x4a/0x90 [&lt;00000000128486db&gt;] nfs4_init_client+0xce/0x270 [&lt;000000008d2cacad&gt;] nfs4_set_client+0x1a2/0x2b0 [&lt;000000000e593b52&gt;] nfs4_create_server+0x300/0x5f0 [&lt;00000000e4425dd2&gt;] nfs4_try_get_tree+0x65/0x110 [&lt;00000000d3a6176f&gt;] vfs_get_tree+0x41/0xf0 [&lt;0000000016b5ad4c&gt;] path_mount+0x9b3/0xdd0 [&lt;00000000494cae71&gt;] __x64_sys_mount+0x190/0x1d0 [&lt;000000005d56bdec&gt;] do_syscall_64+0x35/0x80 [&lt;00000000687c9ae4&gt;] entry_SYSCALL_64_after_hwframe+0x46/0xb0 "}], "id": "CVE-2022-49927", "lastModified": "2026-06-17T05:19:32.623", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-49927", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T14:56:42.974569Z", "version": "2.0.3"}}]}, "published": "2025-05-01T15:16:18.657", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/24641993a7dce6b1628645f4e1d97ca06c9f765d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/45aea4fbf61e205649c29200726b9f45c1718a67"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7e8436728e22181c3f12a5dbabd35ed3a8b8c593"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/84b5cb476903003ae9ca88f32b57ff0eaefa6d4c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/86ce0e93cf6fb4d0c447323ac66577c642628b9d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/925cb538bd5851154602818dc80bf4b4d924c127"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/aae35a0c8a775fa4afa6a4e7dab3f936f1f89bbb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/db333ae981fb8843c383aa7dbf62cc682597d401"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-401"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: nfs4: Fix kmemleak when allocate slot failed", "id": "2363516", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363516"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnfs4: Fix kmemleak when allocate slot failed\nIf one of the slot allocate failed, should cleanup all the other\nallocated slots, otherwise, the allocated slots will leak:\nunreferenced object 0xffff8881115aa100 (size 64):\ncomm \"\"mount.nfs\"\", pid 679, jiffies 4294744957 (age 115.037s)\nhex dump (first 32 bytes):\n00 cc 19 73 81 88 ff ff 00 a0 5a 11 81 88 ff ff ...s......Z.....\n00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\nbacktrace:\n[<000000007a4c434a>] nfs4_find_or_create_slot+0x8e/0x130\n[<000000005472a39c>] nfs4_realloc_slot_table+0x23f/0x270\n[<00000000cd8ca0eb>] nfs40_init_client+0x4a/0x90\n[<00000000128486db>] nfs4_init_client+0xce/0x270\n[<000000008d2cacad>] nfs4_set_client+0x1a2/0x2b0\n[<000000000e593b52>] nfs4_create_server+0x300/0x5f0\n[<00000000e4425dd2>] nfs4_try_get_tree+0x65/0x110\n[<00000000d3a6176f>] vfs_get_tree+0x41/0xf0\n[<0000000016b5ad4c>] path_mount+0x9b3/0xdd0\n[<00000000494cae71>] __x64_sys_mount+0x190/0x1d0\n[<000000005d56bdec>] do_syscall_64+0x35/0x80\n[<00000000687c9ae4>] entry_SYSCALL_64_after_hwframe+0x46/0xb0"], "name": "CVE-2022-49927", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49927\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49927\nhttps://lore.kernel.org/linux-cve-announce/2025050110-CVE-2022-49927-461e@gregkh/T"], "threat_severity": "Moderate"}

{}