CVE-2024-53049

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["lib/slub_kunit.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "79aea7dfd98fbbf282d1408fc21849fc9a677768", "status": "affected", "version": "a0a44d9175b349df2462089140fb7f292100bd7c", "versionType": "git"}, {"lessThan": "2b059d0d1e624adc6e69a754bc48057f8bf459dc", "status": "affected", "version": "a0a44d9175b349df2462089140fb7f292100bd7c", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["lib/slub_kunit.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.11"}, {"lessThan": "6.11", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.11.*", "status": "unaffected", "version": "6.11.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.12", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "386941FE-51A4-4893-9EC3-054AD3863E8D", "versionEndExcluding": "6.11.7", "versionStartIncluding": "6.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*", "matchCriteriaId": "7F361E1D-580F-4A2D-A509-7615F73167A1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*", "matchCriteriaId": "925478D0-3E3D-4E6F-ACD5-09F28D5DF82C", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*", "matchCriteriaId": "3C95E234-D335-4B6C-96BF-E2CEBD8654ED", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc4:*:*:*:*:*:*", "matchCriteriaId": "E0F717D8-3014-4F84-8086-0124B2111379", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.12:rc5:*:*:*:*:*:*", "matchCriteriaId": "24DBE6C7-2AAE-4818-AED2-E131F153D2FA", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nslub/kunit: fix a WARNING due to unwrapped __kmalloc_cache_noprof\n\n'modprobe slub_kunit' will have a warning as shown below. The root cause\nis that __kmalloc_cache_noprof was directly used, which resulted in no\nalloc_tag being allocated. This caused current->alloc_tag to be null,\nleading to a warning in alloc_tag_add_check.\n\nLet's add an alloc_hook layer to __kmalloc_cache_noprof specifically\nwithin lib/slub_kunit.c, which is the only user of this internal slub\nfunction outside kmalloc implementation itself.\n\n[58162.947016] WARNING: CPU: 2 PID: 6210 at\n./include/linux/alloc_tag.h:125 alloc_tagging_slab_alloc_hook+0x268/0x27c\n[58162.957721] Call trace:\n[58162.957919] alloc_tagging_slab_alloc_hook+0x268/0x27c\n[58162.958286] __kmalloc_cache_noprof+0x14c/0x344\n[58162.958615] test_kmalloc_redzone_access+0x50/0x10c [slub_kunit]\n[58162.959045] kunit_try_run_case+0x74/0x184 [kunit]\n[58162.959401] kunit_generic_run_threadfn_adapter+0x2c/0x4c [kunit]\n[58162.959841] kthread+0x10c/0x118\n[58162.960093] ret_from_fork+0x10/0x20\n[58162.960363] ---[ end trace 0000000000000000 ]---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: slub/kunit: se corrige una ADVERTENCIA debido a que __kmalloc_cache_noprof sin encapsular 'modprobe slub_kunit' tendr\u00e1 una advertencia como la que se muestra a continuaci\u00f3n. La causa principal es que se utiliz\u00f3 __kmalloc_cache_noprof directamente, lo que result\u00f3 en que no se asignara alloc_tag. Esto provoc\u00f3 que current->alloc_tag fuera nulo, lo que gener\u00f3 una advertencia en alloc_tag_add_check. Agreguemos una capa alloc_hook a __kmalloc_cache_noprof espec\u00edficamente dentro de lib/slub_kunit.c, que es el \u00fanico usuario de esta funci\u00f3n slub interna fuera de la implementaci\u00f3n de kmalloc en s\u00ed. [58162.947016] ADVERTENCIA: CPU: 2 PID: 6210 en ./include/linux/alloc_tag.h:125 alloc_tagging_slab_alloc_hook+0x268/0x27c [58162.957721] Rastreo de llamadas: [58162.957919] alloc_tagging_slab_alloc_hook+0x268/0x27c [58162.958286] __kmalloc_cache_noprof+0x14c/0x344 [58162.958615] test_kmalloc_redzone_access+0x50/0x10c [slub_kunit] [58162.959045] kunit_try_run_case+0x74/0x184 [kunit] [58162.959401] kunit_generic_run_threadfn_adapter+0x2c/0x4c [kunit] [58162.959841] kthread+0x10c/0x118 [58162.960093] ret_from_fork+0x10/0x20 [58162.960363] ---[ fin de seguimiento 0000000000000000 ]---"}], "id": "CVE-2024-53049", "lastModified": "2026-06-17T08:08:08.470", "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-2024-53049", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-10-01T20:13:19.715073Z", "version": "2.0.3"}}]}, "published": "2024-11-19T18:15:25.190", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2b059d0d1e624adc6e69a754bc48057f8bf459dc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/79aea7dfd98fbbf282d1408fc21849fc9a677768"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: slub/kunit: fix a WARNING due to unwrapped __kmalloc_cache_noprof", "id": "2327372", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2327372"}, "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"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nslub/kunit: fix a WARNING due to unwrapped __kmalloc_cache_noprof\n'modprobe slub_kunit' will have a warning as shown below. The root cause\nis that __kmalloc_cache_noprof was directly used, which resulted in no\nalloc_tag being allocated. This caused current->alloc_tag to be null,\nleading to a warning in alloc_tag_add_check.\nLet's add an alloc_hook layer to __kmalloc_cache_noprof specifically\nwithin lib/slub_kunit.c, which is the only user of this internal slub\nfunction outside kmalloc implementation itself.\n[58162.947016] WARNING: CPU: 2 PID: 6210 at\n./include/linux/alloc_tag.h:125 alloc_tagging_slab_alloc_hook+0x268/0x27c\n[58162.957721] Call trace:\n[58162.957919] alloc_tagging_slab_alloc_hook+0x268/0x27c\n[58162.958286] __kmalloc_cache_noprof+0x14c/0x344\n[58162.958615] test_kmalloc_redzone_access+0x50/0x10c [slub_kunit]\n[58162.959045] kunit_try_run_case+0x74/0x184 [kunit]\n[58162.959401] kunit_generic_run_threadfn_adapter+0x2c/0x4c [kunit]\n[58162.959841] kthread+0x10c/0x118\n[58162.960093] ret_from_fork+0x10/0x20\n[58162.960363] ---[ end trace 0000000000000000 ]---"], "name": "CVE-2024-53049", "package_state": [{"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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-11-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-53049\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-53049\nhttps://lore.kernel.org/linux-cve-announce/2024111926-CVE-2024-53049-fa45@gregkh/T"], "threat_severity": "Moderate"}

{}