CVE-2026-31682: bridge: br_nd_send: linearize skb before parsing ND options
bridge: brndsend: linearize skb before parsing ND options
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.113-1Fixed in 7.2.12-1Fixed in 7.2.13-1 - Compensating control
In br_nd_send(), linearize the request skb before parsing neighbour discovery options, and derive ns from the linear network header.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-31682?
CVE-2026-31682 has a medium severity rating due to potential data corruption in the neighbor discovery process.
How do I fix CVE-2026-31682?
To fix CVE-2026-31682, you should update your Linux kernel to the latest stable version that contains the patch.
What causes CVE-2026-31682?
CVE-2026-31682 is caused by improper parsing of Neighbor Discovery options in the Linux kernel's networking subsystem.
Which software versions are affected by CVE-2026-31682?
CVE-2026-31682 affects specific versions of the Linux kernel, particularly those prior to the patch release.
Is CVE-2026-31682 remotely exploitable?
CVE-2026-31682 has the potential for remote exploitation if an attacker can manipulate network packets.