CVE-2026-80703

Summary

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

drm/amdkfd: Fix missing authorization check in KFD_IOC_DBG_TRAP_DISABLE

Prevent unauthorized termination of active GPU debug sessions. Previously, users with /dev/kfd access could terminate another process's debug session without proper ownership or ptrace authorization.

(cherry picked from commit 4db4c5ffd5585b72622ecf6ffedf2da258ee23f5)

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ce813614f63b020a826071276a92f2cfae7cba79affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b8c05061997408bf81759f2dd31cd5f66771d15faffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9e52212aff8ed1fd9087728f61243ce3efd9d0acaffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4070909ac042f44654aac72f7986ea550c96f591affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 99b2fe4f19e3be0a8d0a0b5ea98d855970889653affected
LinuxLinux0 < 6.6.151affected
LinuxLinux0 < 6.12.103affected
LinuxLinux0 < 6.18.44affected
LinuxLinux0 < 7.1.8affected
LinuxLinux6.6.151 <= 6.6.*unaffected
LinuxLinux6.12.103 <= 6.12.*unaffected
LinuxLinux6.18.44 <= 6.18.*unaffected
LinuxLinux7.1.8 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References