drm/amdgpu: Fix use-after-free race in VM acquire
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.1%
exploitation probability
0.1%top 97% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: Fix use-after-free race in VM acquire
Replace non-atomic vm->process_info assignment with cmpxchg()
to prevent race when parent/child processes sharing a drm_file
both try to acquire the same VM after fork().
(cherry picked from commit c7c573275ec20db05be769288a3e3bb2250ec618)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/2c1030f2e84885cc58bffef6af67d5b9d2e7098fhttps://git.kernel.org/stable/c/46d309996bd9251792d7dafdbaf615cf202b4447https://git.kernel.org/stable/c/7885eb335d8f9e9942925d57e300a85e3f82ded4https://git.kernel.org/stable/c/904025fa8bba1d028adade33346372b4ac1a9249https://git.kernel.org/stable/c/94b7782d0c8024f5b88454241c8d4777076c3786https://git.kernel.org/stable/c/ae87aea330c24f462fc7058ed543ba8bc6798447https://git.kernel.org/stable/c/c658c1c85ec235b7ecfbf8dbfee385b1332088f4https://git.kernel.org/stable/c/e61e355cbe49e585097eee28c15b862bfb1c0668