CVE-2026-72223
Description
In the Linux kernel, the following vulnerability has been resolved: nvdimm/btt: Free arena sub-allocations on discover_arenas() error path Memory allocated by btt_freelist_init(), btt_rtt_init(), and btt_maplocks_init() is not freed on some discover_arenas() error paths. This leaks memory when arena discovery fails. Add the missing kfree() calls to release the allocations before returning an error. [ as: commit message and log edits ]
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.
References
- https://git.kernel.org/stable/c/0b0d9404951aacc9717aa61e77af4a6e9e8f8249
- https://git.kernel.org/stable/c/13fe4cd9ddd0aacb7777812328be525a11ea3fea
- https://git.kernel.org/stable/c/2d0364937550a7b3e2592629c2a68753ac020b28
- https://git.kernel.org/stable/c/30d490bb2c4cd220e7dedf862ab6a09eb5dcbad5
- https://git.kernel.org/stable/c/7563f69caa9143a491d5f26e563255c734751545
- https://git.kernel.org/stable/c/873ced7f345e99f7ee16f9ff226515580332ecc4
- https://git.kernel.org/stable/c/ba59b96d8d21dc8729fca44a022ca5919c1848c9
- https://git.kernel.org/stable/c/eeb95774bc79268e2b78ebf01d8781560b5bd671
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.