CVE-2026-43370

EUVD-2026-28676
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)
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 2%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
4.17 ≤
𝑥
< 5.10.253
linuxlinux_kernel
5.11 ≤
𝑥
< 5.15.203
linuxlinux_kernel
5.16 ≤
𝑥
< 6.1.167
linuxlinux_kernel
6.2 ≤
𝑥
< 6.6.130
linuxlinux_kernel
6.7 ≤
𝑥
< 6.12.78
linuxlinux_kernel
6.13 ≤
𝑥
< 6.18.19
linuxlinux_kernel
6.19 ≤
𝑥
< 6.19.9
linuxlinux_kernel
7.0:rc1
linuxlinux_kernel
7.0:rc2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.170-3
fixed
bookworm (security)
6.1.174-1
fixed
bullseye
vulnerable
bullseye (security)
5.10.257-1
fixed
forky
7.0.12-2
fixed
sid
7.0.13-1
fixed
trixie
6.12.86-1
fixed
trixie (security)
6.12.94-1
fixed