{"id":"CVE-2026-74327","state":"PUBLISHED","title":"vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()","description":"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.","publishedAt":"2026-08-15T05:58:21.665Z","updatedAt":"2026-08-17T05:17:17.979Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"c741485fa09bf5900f76d95424d86316d0a00331","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"b86f98e53df4f5d57259817b8e9a00167b78bae6","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"af71c2b88ccae44418e273bdfe0c96be8515151e","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"a1bca6b69bd934e2731d009e645038e05d57ce59","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"bbd664b7c77f6488cd5652231c0fe01d069a73ea","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"55a44f5259e6a5f1d5b11cb0e19e943c9cc62280","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/vmalloc.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/vmalloc.h"]}],"references":["https://git.kernel.org/stable/c/c741485fa09bf5900f76d95424d86316d0a00331","https://git.kernel.org/stable/c/b86f98e53df4f5d57259817b8e9a00167b78bae6","https://git.kernel.org/stable/c/af71c2b88ccae44418e273bdfe0c96be8515151e","https://git.kernel.org/stable/c/a1bca6b69bd934e2731d009e645038e05d57ce59","https://git.kernel.org/stable/c/bbd664b7c77f6488cd5652231c0fe01d069a73ea","https://git.kernel.org/stable/c/55a44f5259e6a5f1d5b11cb0e19e943c9cc62280","https://git.kernel.org/stable/c/c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/74xxx/CVE-2026-74327.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-74327","state":"PUBLISHED","datePublished":"2026-08-15T05:58:21.665Z","dateUpdated":"2026-08-17T05:17:17.979Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-15T05:44:03.884Z"},"containers":{"cna":{"title":"vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()","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":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"c741485fa09bf5900f76d95424d86316d0a00331","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"b86f98e53df4f5d57259817b8e9a00167b78bae6","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"af71c2b88ccae44418e273bdfe0c96be8515151e","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"a1bca6b69bd934e2731d009e645038e05d57ce59","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"bbd664b7c77f6488cd5652231c0fe01d069a73ea","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"55a44f5259e6a5f1d5b11cb0e19e943c9cc62280","versionType":"git"},{"version":"121e6f3258fe393e22c36f61a319be8a4f2c05ae","status":"affected","lessThan":"c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/vmalloc.h"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.13","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/linux/vmalloc.h"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:17:17.979Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}