{"id":"CVE-2026-74327","summary":"vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()","details":"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.","modified":"2026-08-18T03:31:15.434759130Z","published":"2026-08-15T05:58:21.665Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74327.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/55a44f5259e6a5f1d5b11cb0e19e943c9cc62280"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a1bca6b69bd934e2731d009e645038e05d57ce59"},{"type":"WEB","url":"https://git.kernel.org/stable/c/af71c2b88ccae44418e273bdfe0c96be8515151e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b86f98e53df4f5d57259817b8e9a00167b78bae6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/bbd664b7c77f6488cd5652231c0fe01d069a73ea"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c741485fa09bf5900f76d95424d86316d0a00331"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74327.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74327"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"121e6f3258fe393e22c36f61a319be8a4f2c05ae"},{"fixed":"c741485fa09bf5900f76d95424d86316d0a00331"},{"fixed":"b86f98e53df4f5d57259817b8e9a00167b78bae6"},{"fixed":"af71c2b88ccae44418e273bdfe0c96be8515151e"},{"fixed":"a1bca6b69bd934e2731d009e645038e05d57ce59"},{"fixed":"bbd664b7c77f6488cd5652231c0fe01d069a73ea"},{"fixed":"55a44f5259e6a5f1d5b11cb0e19e943c9cc62280"},{"fixed":"c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74327.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.13.0"},{"fixed":"5.15.212"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.178"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74327.json"}}],"schema_version":"1.9.0"}