PT-2026-37616 · Linux+3 · Linux Kernel+3

CVE-2026-43276

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Published

2026-05-06

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Updated

2026-09-09

CVSS v3.1

7.8

High

VectorAV: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 use-after-free crash occurs on the service rescan PCI path. When mana serv reset() calls mana gd suspend(), the mana gd cleanup() function destroys the gc->service wq workqueue. If the subsequent mana gd resume() fails with -ETIMEDOUT or -EPROTO, the process continues to mana serv rescan(), which triggers pci stop and remove bus device(). This action invokes the PCI .remove callback (mana gd remove), which calls mana gd cleanup() a second time, attempting to destroy the already freed gc->service wq variable.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Double Free

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Weakness Enumeration

Related Identifiers

ALSA-2026:36018
ALSA-2026:36541
CVE-2026-43276
OPENSUSE-SU-2026:21555-1
RHSA-2026:36018
SUSE-SU-2026:23066-1
SUSE-SU-2026:23068-1
SUSE-SU-2026:23193-1
SUSE-SU-2026:23194-1
SUSE-SU-2026:23221-1
SUSE-SU-2026:23231-1
SUSE-SU-2026:23237-1
SUSE-SU-2026:23241-1
SUSE-SU-2026:23244-1
SUSE-SU-2026:3595-1
SUSE-SU-2026:3602-1
SUSE-SU-2026:3617-1
SUSE-SU-2026:3790-1
SUSE-SU-2026:3810-1
USN-8310-1

Affected Products

Linuxmint
Linux Kernel
Rocky Linux
Ubuntu