PT-2026-34392 · Linux+2 · Linux Kernel+2

CVE-2026-31487

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Published

2026-04-22

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Updated

2026-08-30

CVSS v3.1

5.5

Medium

VectorAV: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 Use-After-Free (UAF) issue exists in the SPI subsystem. When a driver is probed via the driver attach() function, the bus match() callback is executed without holding the device lock. This leads to the driver override field being accessed without proper synchronization.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Locking

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Weakness Enumeration

Related Identifiers

AZL-83195
CVE-2026-31487
ECHO-FD0E-D935-7B1C
OESA-2026-2581
OESA-2026-2582
USN-8567-1
USN-8574-1
USN-8574-2
USN-8574-3
USN-8595-1
USN-8595-2
USN-8595-3
USN-8596-1
USN-8606-1
USN-8607-1
USN-8608-1
USN-8609-1
USN-8619-1
USN-8665-1

Affected Products

Linuxmint
Linux Kernel
Ubuntu