PT-2026-34415 · Linux · Linux Kernel

Published 2026-04-22 · Updated 2026-04-23 · CVE-2026-31510

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A null pointer dereference exists in the Bluetooth L2CAP component. The issue occurs within the l2cap sock ready cb() function when the sk pointer is used without verifying if it is null.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-31510

ECHO-5D94-ACC1-86A4

Affected Products

Linux Kernel

References · 19

• https://osv.dev/vulnerability/UBUNTU-CVE-2026-31510 · Vendor Advisory
• https://git.kernel.org/stable/c/1dc6db047919ecd59493cd51248b37381bbabcbb · Patch
• https://git.kernel.org/stable/c/898b89c90ff9496e64b9331040778cc4e1b28c9d · Patch
• https://git.kernel.org/stable/c/b6552e0503973daf6f23bd6ed9273ef131ee364f · Patch
• https://git.kernel.org/stable/c/03d4eafb0f3788239df63575951f6b4c97bbfda4 · Patch
• https://git.kernel.org/stable/c/0780f9333852971ca77d110019e3a66ce5a7b100 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2026-31510 · Vendor Advisory
• https://git.kernel.org/stable/c/d34776c7fa1f2c510f1cdd14823aba701babb4ad · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-31510 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-31510 · Security Note
• https://git.kernel.org/stable/c/a04a760c06bb591989db659439efdf106f0bae76 · Patch
• https://security-tracker.debian.org/tracker/CVE-2026-31510 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-31510 · Vendor Advisory
• https://git.kernel.org/stable/c/3c821bc0fbeaa27910a20d0b43c6008d099792af · Patch
• https://cve.org/CVERecord?id=CVE-2026-31510 · Security Note