CVE-2026-43396
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
5.5
Description
In the Linux kernel, the following vulnerability has been resolved: drm/xe/sync: Fix user fence leak on alloc failure When dma_fence_chain_alloc() fails, properly release the user fence reference to prevent a memory leak. (cherry picked from commit a5d5634cde48a9fcd68c8504aa07f89f175074a0)
Predictions
Exploit likelihood
55%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 0 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 6.19.10-1 |
| debian | sid | fixed | 6.19.10-1 |
| debian | trixie | fixed | 0 |
| linux-kernel | affected | 6.18.20 | |
| linux-kernel | 6.18 | affected | |
| linux-kernel | 7.0 | affected | |
References
- https://git.kernel.org/stable/c/05edc78eb4699e8e000a62aaa8dace50a17e19e3
- https://git.kernel.org/stable/c/0879c3f04f67e2a1677c25dcc24669ce21eb6a6c
- https://git.kernel.org/stable/c/f8f90b33934b307f6e4599b9fae38aa1ee5441a7
- https://www.suse.com/security/cve/CVE-2026-43396.html
- https://security-tracker.debian.org/tracker/CVE-2026-43396
CWEs
CWE-401
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.