CVE-2026-43358
Description
In the Linux kernel, the following vulnerability has been resolved: btrfs: add missing RCU unlock in error path in try_release_subpage_extent_buffer() Call rcu_read_lock() before exiting the loop in try_release_subpage_extent_buffer() because there is a rcu_read_unlock() call past the loop. This has been detected by the Clang thread-safety analyzer.
Predictions
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 | 6.17 | |
| linux-kernel | 6.17 | affected | |
| linux-kernel | 7.0 | affected | |
References
- https://git.kernel.org/stable/c/35b0c8768e848e1b7e32052db36b5fa59b6a33a1
- https://git.kernel.org/stable/c/5e1ab71f74a1e61f1254dff128a764fdebaec0b8
- https://git.kernel.org/stable/c/b2840e33127ce0eea880504b7f133e780f567a9b
- https://www.suse.com/security/cve/CVE-2026-43358.html
- https://security-tracker.debian.org/tracker/CVE-2026-43358
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.