CVEvulnerability
CVE-2026-23442
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2026-04-03
- Last modified
- 2026-10-15
- Assigner
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476
Description
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.
Affected configurations
• linux linux kernel (>= 4.10.1 < 6.12.83)
• linux linux kernel (>= 6.13 < 6.19.10)
• linux linux kernel 4.10
• linux linux kernel 7.0
Related
Weakness · CWE (1)
- CWE-476 NULL Pointer Dereference weakness
References
- https://git.kernel.org/stable/c/0348fa0ada37cef7c6b5ab2a428bb2c6aee784e4 git.kernel.org
- https://git.kernel.org/stable/c/06413793526251870e20402c39930804f14d59c0 Patch
- https://git.kernel.org/stable/c/50352fc103928e10e8729abc79a0d05abef26c4d git.kernel.org
- https://git.kernel.org/stable/c/83d705d35e583cb1b1eacf196dfe7b77d442018e git.kernel.org
- https://git.kernel.org/stable/c/a25853c9feea7bbf31d157ff6e004d2d3b4f7f13 Patch
- https://git.kernel.org/stable/c/bc9843c39f9932a8b36efd1d362ea00bb88e4e78 Patch
- https://git.kernel.org/stable/c/c5cedee5d97382176573bbe21e1724e737a5eb64 git.kernel.org
- https://git.kernel.org/stable/c/d1bd8b9edc6752d10f84d28ff64f842401ce336d git.kernel.org
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html cert-portal.siemens.com