CVE-2026-43101

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.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-25)

CWE

CWE-476

Published

2026-05-06

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/34b8390ac0ba57004b90ea568ac06f50bf896a80
• https://git.kernel.org/stable/c/3719c234fa94c37c955b1ecd3742ef280ec135e6
• https://git.kernel.org/stable/c/4198aab6f000b4febb18ea820fea20634dd789c7
• https://git.kernel.org/stable/c/4e65a8b8daa18d63255ec58964dd192c7fdd9f8b
• https://git.kernel.org/stable/c/f87aa5d1a7f56727a768757613a303b4245444a1

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