CVE-2026-74327

Summary

In the Linux kernel, the following vulnerability has been resolved:

vmalloc: fix NULL pointer dereference in is_vm_area_hugepages()

find_vm_area() can return NULL if the given address is not a valid vmalloc area. Check the return value before dereferencing it to avoid a kernel crash.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux121e6f3258fe393e22c36f61a319be8a4f2c05ae < c741485fa09bf5900f76d95424d86316d0a00331affected
LinuxLinux121e6f3258fe393e22c36f61a319be8a4f2c05ae < b86f98e53df4f5d57259817b8e9a00167b78bae6affected
LinuxLinux121e6f3258fe393e22c36f61a319be8a4f2c05ae < af71c2b88ccae44418e273bdfe0c96be8515151eaffected
LinuxLinux121e6f3258fe393e22c36f61a319be8a4f2c05ae < a1bca6b69bd934e2731d009e645038e05d57ce59affected
LinuxLinux121e6f3258fe393e22c36f61a319be8a4f2c05ae < bbd664b7c77f6488cd5652231c0fe01d069a73eaaffected
LinuxLinux121e6f3258fe393e22c36f61a319be8a4f2c05ae < 55a44f5259e6a5f1d5b11cb0e19e943c9cc62280affected
LinuxLinux121e6f3258fe393e22c36f61a319be8a4f2c05ae < c55dd3b46c1208d6d2ea737a8aefef4aa4c70cb8affected
LinuxLinux5.13affected
LinuxLinux0 < 5.13unaffected
LinuxLinux5.15.212 <= 5.15.*unaffected
LinuxLinux6.1.178 <= 6.1.*unaffected
LinuxLinux6.6.145 <= 6.6.*unaffected
LinuxLinux6.12.97 <= 6.12.*unaffected
LinuxLinux6.18.40 <= 6.18.*unaffected
LinuxLinux7.1.5 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References