CVE-2026-63849
drm/amdgpu/vcn: set no_user_fence for VCN v5.0.1 enc ring
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 6.18.33, 7.0.10
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
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)
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
From 346492f30ce3581bf5324c4ae417eab8537dc998 · fixed in 081ef0e46c9cdd26c0db0ef721470393d36b6655; From 346492f30ce3581bf5324c4ae417eab8537dc998 · fixed in 5a4bffd67e94944ed3db26a959346cfb7fabaecd; From 346492f30ce3581bf5324c4ae417eab8537dc998 · fixed in 8f4954722eab88e10c4ea0c0d3b1269c31421d3a
- Linux Linux
6.14
- KernelLinux
From 6.14.0 · fixed in 6.18.33; From 6.19.0 · fixed in 7.0.10