CVE-2026-31510: Bluetooth: L2CAP: Fix null-ptr-deref on l2cap_sock_ready_cb
Bluetooth: L2CAP: Fix null-ptr-deref on l2capsockreadycb
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.134.1-2 - Compensating control
In Bluetooth L2CAP l2cap_sock_ready_cb, check whether the sk pointer is null before using it.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-31510?
CVE-2026-31510 has been classified as a medium severity vulnerability due to potential denial-of-service risks.
How do I fix CVE-2026-31510?
To resolve CVE-2026-31510, update the Linux kernel to the latest version that contains the patch.
What are the potential impacts of CVE-2026-31510?
CVE-2026-31510 could lead to a null pointer dereference, causing system instability or crashes.
Which versions of the Linux kernel are affected by CVE-2026-31510?
CVE-2026-31510 affects specific versions of the Linux kernel prior to the implementation of the fix.
Is there a workaround for CVE-2026-31510?
There are no known workarounds for CVE-2026-31510, and applying the patch is recommended.