CVE-2026-43101
Description
In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data() We need to check __in6_dev_get() for possible NULL value, as suggested by Yiming Qian. Also add skb_dst_dev_rcu() instead of skb_dst_dev(), and two missing READ_ONCE(). Note that @dev can't be NULL.
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 |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | affected | |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 6.19.14-1 |
| debian | sid | fixed | 6.19.14-1 |
| debian | trixie | affected | |
| linux-kernel | affected | 6.18.24 | |
| linux-kernel | 7.0 | affected | |
| windows | affected | |
References
- https://git.kernel.org/stable/c/3719c234fa94c37c955b1ecd3742ef280ec135e6
- https://git.kernel.org/stable/c/4198aab6f000b4febb18ea820fea20634dd789c7
- https://git.kernel.org/stable/c/4e65a8b8daa18d63255ec58964dd192c7fdd9f8b
- https://www.suse.com/security/cve/CVE-2026-43101.html
- https://security-tracker.debian.org/tracker/CVE-2026-43101
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43101
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.