CVE-2026-46046
Description
In the Linux kernel, the following vulnerability has been resolved: ext4: fix missing brelse() in ext4_xattr_inode_dec_ref_all() The commit c8e008b60492 ("ext4: ignore xattrs past end") introduced a refcount leak in when block_csum is false. ext4_xattr_inode_dec_ref_all() calls ext4_get_inode_loc() to get iloc.bh, but never releases it with brelse().
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 | affected | |
| debian | forky | fixed | 7.0.4-1 |
| debian | sid | fixed | 7.0.4-1 |
| debian | trixie | fixed | 6.12.86-1 |
| sles | affected | |
References
- https://git.kernel.org/stable/c/1bc1107a3a403a6d440673ed6666f7b07ef868a8
- https://git.kernel.org/stable/c/097227f1ffe1a85bc3c359f81c71e3d40e06e920
- https://git.kernel.org/stable/c/1e6b0a69bf2c9c819255c7566e4355536d81d9cf
- https://git.kernel.org/stable/c/f072906688933bf47fabbaf63560be03357c8298
- https://git.kernel.org/stable/c/77d059519382bd66283e6a4e83ee186e87e7708f
- https://security-tracker.debian.org/tracker/CVE-2026-46046
- https://www.suse.com/security/cve/CVE-2026-46046.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.