{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-74327", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-15T05:44:03.884Z", "datePublished": "2026-08-15T05:58:21.665Z", "dateUpdated": "2026-08-17T05:17:17.979Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:17:17.979Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvmalloc: fix NULL pointer dereference in is_vm_area_hugepages()\n\nfind_vm_area() can return NULL if the given address is not a valid vmalloc\narea. Check the return value before dereferencing it to avoid a kernel\ncrash."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/vmalloc.h"], "versions": [{"version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "lessThan": "c741485fa09bf5900f76d95424d86316d0a00331", "status": "affected", "versionType": "git"}, {"version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "lessThan": "b86f98e53df4f5d57259817b8e9a00167b78bae6", "status": "affected", "versionType": "git"}, {"version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "lessThan": "af71c2b88ccae44418e273bdfe0c96be8515151e", "status": "affected", "versionType": "git"}, {"version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "lessThan": "a1bca6b69bd934e2731d009e645038e05d57ce59", "status": "affected", "versionType": "git"}, {"version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "lessThan": "bbd664b7c77f6488cd5652231c0fe01d069a73ea", "status": "affected", "versionType": "git"}, {"version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "lessThan": "55a44f5259e6a5f1d5b11cb0e19e943c9cc62280", "status": "affected", "versionType": "git"}, {"version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "lessThan": "c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/linux/vmalloc.h"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.13", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c741485fa09bf5900f76d95424d86316d0a00331"}, {"url": "https://git.kernel.org/stable/c/b86f98e53df4f5d57259817b8e9a00167b78bae6"}, {"url": "https://git.kernel.org/stable/c/af71c2b88ccae44418e273bdfe0c96be8515151e"}, {"url": "https://git.kernel.org/stable/c/a1bca6b69bd934e2731d009e645038e05d57ce59"}, {"url": "https://git.kernel.org/stable/c/bbd664b7c77f6488cd5652231c0fe01d069a73ea"}, {"url": "https://git.kernel.org/stable/c/55a44f5259e6a5f1d5b11cb0e19e943c9cc62280"}, {"url": "https://git.kernel.org/stable/c/c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8"}], "title": "vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["include/linux/vmalloc.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c741485fa09bf5900f76d95424d86316d0a00331", "status": "affected", "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "versionType": "git"}, {"lessThan": "b86f98e53df4f5d57259817b8e9a00167b78bae6", "status": "affected", "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "versionType": "git"}, {"lessThan": "af71c2b88ccae44418e273bdfe0c96be8515151e", "status": "affected", "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "versionType": "git"}, {"lessThan": "a1bca6b69bd934e2731d009e645038e05d57ce59", "status": "affected", "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "versionType": "git"}, {"lessThan": "bbd664b7c77f6488cd5652231c0fe01d069a73ea", "status": "affected", "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "versionType": "git"}, {"lessThan": "55a44f5259e6a5f1d5b11cb0e19e943c9cc62280", "status": "affected", "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "versionType": "git"}, {"lessThan": "c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8", "status": "affected", "version": "121e6f3258fe393e22c36f61a319be8a4f2c05ae", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["include/linux/vmalloc.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.13"}, {"lessThan": "5.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvmalloc: fix NULL pointer dereference in is_vm_area_hugepages()\n\nfind_vm_area() can return NULL if the given address is not a valid vmalloc\narea. Check the return value before dereferencing it to avoid a kernel\ncrash."}], "id": "CVE-2026-74327", "lastModified": "2026-08-17T06:19:27.117", "metrics": {}, "published": "2026-08-15T06:22:33.383", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/55a44f5259e6a5f1d5b11cb0e19e943c9cc62280"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a1bca6b69bd934e2731d009e645038e05d57ce59"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/af71c2b88ccae44418e273bdfe0c96be8515151e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b86f98e53df4f5d57259817b8e9a00167b78bae6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bbd664b7c77f6488cd5652231c0fe01d069a73ea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c741485fa09bf5900f76d95424d86316d0a00331"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()", "id": "2516827", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516827"}, "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:\nvmalloc: fix NULL pointer dereference in is_vm_area_hugepages()\nfind_vm_area() can return NULL if the given address is not a valid vmalloc\narea. Check the return value before dereferencing it to avoid a kernel\ncrash.", "A flaw was found in the Linux kernel. A local attacker could trigger a null pointer dereference in the `is_vm_area_hugepages()` function. This occurs when `find_vm_area()` returns a NULL value, which is not properly handled before being dereferenced. Successful exploitation of this vulnerability could lead to a kernel crash, resulting in a denial of service."], "name": "CVE-2026-74327", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "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": "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": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-74327\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-74327\nhttps://lore.kernel.org/linux-cve-announce/2026081555-CVE-2026-74327-3593@gregkh/T"], "threat_severity": "Low"}