PT-2026-34411 · Linux · Linux Kernel

Published 2026-04-22 · Updated 2026-04-25 · CVE-2026-31506

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

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

Description A double free issue exists in the net: bcmasp component. The wol irq variable was being freed manually despite being instantiated with the devm request irq() function, which is designed to handle resource cleanup automatically via the device resource manager (devres).

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

Double Free

Weakness Enumeration

CWE-415

Related Identifiers

CVE-2026-31506

Affected Products

Linux Kernel

References · 14

• https://osv.dev/vulnerability/DEBIAN-CVE-2026-31506 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-31506 · Vendor Advisory
• https://git.kernel.org/stable/c/8a30509ce6a29bdf18e0802383c524a7b2357ec0 · Patch
• https://osv.dev/vulnerability/BELL-CVE-2026-31506 · Vendor Advisory
• https://git.kernel.org/stable/c/cbfa5be2bf64511d49b854a0f9fd6d0b5118621f · Patch
• https://git.kernel.org/stable/c/9e5f5c07cc7d66522f8c9676c28605eba5d4a20e · Patch
• https://security-tracker.debian.org/tracker/CVE-2026-31506 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-31506 · Security Note
• https://ubuntu.com/security/CVE-2026-31506 · Vendor Advisory
• https://git.kernel.org/stable/c/121a6ad9cd42ba3bfc57deae93e3326515c2afe1 · Patch
• https://cve.org/CVERecord?id=CVE-2026-31506 · Security Note
• https://docs.bell-sw.com/security/cves/CVE-2026-31506 · Note
• https://twitter.com/CVEnew/status/2046979968307982729 · Twitter Post
• https://git.kernel.org/linus/cbfa5be2bf64511d49b854a0f9fd6d0b5118621f · Note