CVE-2026-45899
Description
In the Linux kernel, the following vulnerability has been resolved: ext4: drop extent cache when splitting extent fails When the split extent fails, we might leave some extents still being processed and return an error directly, which will result in stale extent entries remaining in the extent status tree. So drop all of the remaining potentially stale extents if the splitting fails.
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 |
|---|---|---|---|
| debian | bookworm | affected | |
| debian | bullseye | fixed | 5.10.257-1 |
| debian | forky | fixed | 6.18.14-1 |
| debian | sid | fixed | 6.18.14-1 |
| debian | trixie | fixed | 6.12.85-1 |
| sles | affected | |
References
- https://git.kernel.org/stable/c/6e54f8dfee359bbd58086c883ea8cffd5312999d
- https://git.kernel.org/stable/c/337506dc652383c80839edb8d8dcdd8ff2129b4f
- https://git.kernel.org/stable/c/dc7c9b9d03a59a7fe483574531327e650a4b4adc
- https://git.kernel.org/stable/c/120c6bd7ca9d3e80a968b758cbb3fbd67570f132
- https://git.kernel.org/stable/c/808f3191498f300174523c54cab101e18795ae4e
- https://git.kernel.org/stable/c/31bf37cf53ede8145e2bc62da803d4506da92975
- https://git.kernel.org/stable/c/79b592e8f1b435796cbc2722190368e3e8ffd7a1
- https://security-tracker.debian.org/tracker/CVE-2026-45899
- https://www.suse.com/security/cve/CVE-2026-45899.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.