CVE-2026-63849
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 enc ring
VCN encoder and decoder rings do not support 64-bit user fence writes, reject CS submissions with user fences.
(cherry picked from commit e16be95a2c3ee712b142cb27d2dca0b461181359)
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 346492f30ce3581bf5324c4ae417eab8537dc998 < 081ef0e46c9cdd26c0db0ef721470393d36b6655 | affected |
| Linux | Linux | 346492f30ce3581bf5324c4ae417eab8537dc998 < 5a4bffd67e94944ed3db26a959346cfb7fabaecd | affected |
| Linux | Linux | 346492f30ce3581bf5324c4ae417eab8537dc998 < 8f4954722eab88e10c4ea0c0d3b1269c31421d3a | affected |
| Linux | Linux | 6.14 | affected |
| Linux | Linux | 0 < 6.14 | unaffected |
| Linux | Linux | 6.18.33 <= 6.18.* | unaffected |
| Linux | Linux | 7.0.10 <= 7.0.* | unaffected |
| Linux | Linux | 7.1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/081ef0e46c9cdd26c0db0ef721470393d36b6655
- https://git.kernel.org/stable/c/5a4bffd67e94944ed3db26a959346cfb7fabaecd
- https://git.kernel.org/stable/c/8f4954722eab88e10c4ea0c0d3b1269c31421d3a
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