Use-after-free in Linux kernel - CVE-2026-43276

 

Use-after-free in Linux kernel - CVE-2026-43276

Published: May 7, 2026


Vulnerability identifier: #VU130435
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-43276
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to a use-after-free in the mana driver service rescan PCI path when handling a failed resume during service reset and rescan. A local user can trigger this code path to cause a denial of service.


How to mitigate CVE-2026-43276

Install security update from vendor's repository.

Sources