CVE-2026-43308
medium
CVSS v3
5.5
CVSS v4 NEW
โ
VIR risk
5.5
Description
In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUG() on unexpected delayed ref type in run_one_delayed_ref() There is no need to BUG(), we can just return an error and log an error message.
Predictions
Exploit likelihood
55%
Patch ETA
โ
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 โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ 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 | affected | |
| debian | bullseye | affected | |
| debian | forky | fixed | 6.19.6-1 |
| debian | sid | fixed | 6.19.6-1 |
| debian | trixie | affected | |
| linux-kernel | affected | 6.19.6 | |
| windows | affected | |
References
- https://git.kernel.org/stable/c/5549743e11c06da23cfa7712a994b9f1e69064c6
- https://git.kernel.org/stable/c/c7d1d4ff56744074e005771aff193b927392d51f
- https://www.suse.com/security/cve/CVE-2026-43308.html
- https://security-tracker.debian.org/tracker/CVE-2026-43308
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43308
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.