VDB
CVE-2026-23442
CVE-2026-23442
PUBLISHED
In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths __in6_dev_get() can return NULL when the device has no IPv6 configuration (e.g. MTU < IPV6_MIN_MTU or after NETDEV_UNREGISTER). Add NULL checks for idev returned by __in6_dev_get() in both seg6_hmac_validate_skb() and ipv6_srh_rcv() to prevent potential NULL pointer dereferences.
EPSS 0.02% · 6.5th percentile
Risk Scores
EPSS Score
0.02%
6.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 4.10, *, 0 |
| linux | linux_kernel | 4.10, 4.10 |
Timeline
- Apr 3, 2026 CVE Published
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score
- May 27, 2026 EPSS Score
- May 28, 2026 EPSS Score
References
- https://git.kernel.org/stable/c/a25853c9feea7bbf31d157ff6e004d2d3b4f7f13 url
- https://git.kernel.org/stable/c/06413793526251870e20402c39930804f14d59c0 url
- https://lists.debian.org/debian-security-announce/2026/msg00154.html advisory
- https://lists.debian.org/debian-security-announce/2026/msg00148.html advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621930-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621841-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20262238-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621974-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20262217-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621979-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20262149-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20262158-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621973-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20262189-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20262159-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621942-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621964-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621939-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-20262202-1 advisory
- https://www.suse.com/support/update/announcement/2026/suse-su-202621910-1 advisory
…and 71 more