CVE-2025-71298

Summary

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

drm/tests: shmem: Hold reservation lock around madvise

Acquire and release the GEM object's reservation lock around calls to the object's madvide operation. The tests use drm_gem_shmem_madvise_locked(), which led to errors such as show below.

[ 58.339389] WARNING: CPU: 1 PID: 1352 at drivers/gpu/drm/drm_gem_shmem_helper.c:499 drm_gem_shmem_madvise_locked+0xde/0x140

Only export the new helper drm_gem_shmem_madvise() for Kunit tests. This is not an interface for regular drivers.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux954907f7147dc43e0d1cd4d430c21d143d5fdf55 < 9cc77691b5fd615625955cedf726da57543088f1affected
LinuxLinux954907f7147dc43e0d1cd4d430c21d143d5fdf55 < 07cfcab370da06f26c273306571cbb0bfa3b9c52affected
LinuxLinux954907f7147dc43e0d1cd4d430c21d143d5fdf55 < 607d07d8cc0b835a8701259f08a03dc149b79b4faffected
LinuxLinux6.16affected
LinuxLinux0 < 6.16unaffected
LinuxLinux6.18.16 <= 6.18.*unaffected
LinuxLinux6.19.6 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References