CVE-2026-31643
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
5.5
Description
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix key parsing memleak In rxrpc_preparse_xdr_yfs_rxgk(), the memory attached to token->rxgk can be leaked in a few error paths after it's allocated. Fix this by freeing it in the "reject_token:" case.
Predictions
Exploit likelihood
55%
Patch ETA
—
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 | 6.19.13-1 |
| debian | sid | fixed | 6.19.13-1 |
| debian | trixie | fixed | 0 |
| linux-kernel | affected | 6.18.23 | |
| linux-kernel | 6.16 | affected | |
| linux-kernel | 7.0 | affected | |
References
- https://git.kernel.org/stable/c/01f51318feb626deee1d0c8a190198cd7857d599
- https://git.kernel.org/stable/c/b555912b9b21075e8298015f888ffe3ff60b1a97
- https://git.kernel.org/stable/c/d5f76f812d2c0ea6dd651b0586be49e85ecca085
- https://www.suse.com/security/cve/CVE-2026-31643.html
- https://security-tracker.debian.org/tracker/CVE-2026-31643
CWEs
CWE-401
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.