CVE-2026-43457
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
5.5
Description
In the Linux kernel, the following vulnerability has been resolved: mctp: i2c: fix skb memory leak in receive path When 'midev->allow_rx' is false, the newly allocated skb isn't consumed by netif_rx(), it needs to free the skb directly.
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 | 6.1.170-1 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 6.19.10-1 |
| debian | sid | fixed | 6.19.10-1 |
| debian | trixie | fixed | 6.12.85-1 |
| linux-kernel | affected | 6.1.167 | |
| linux-kernel | 7.0 | affected | |
References
- https://git.kernel.org/stable/c/0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb
- https://git.kernel.org/stable/c/1b1be322342a6b0085bf6ee52235e5ac9834ec25
- https://git.kernel.org/stable/c/1ec54187e1aa40a4cfa2b265e9a311179f24b98d
- https://git.kernel.org/stable/c/9f81be2ab9d8e4744871bfb3e868ef413413829f
- https://git.kernel.org/stable/c/d7900a43b0a314a645ca0a2adf45928dbc7001f4
- https://git.kernel.org/stable/c/e3f5e0f22cfc2371e7471c9fd5b4da78f9df7c69
- https://www.suse.com/security/cve/CVE-2026-43457.html
- https://security-tracker.debian.org/tracker/CVE-2026-43457
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.