PT-2026-30172 · Linux+2 · Linux Kernel+2

CVE-2026-31389

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Published

2026-03-12

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Updated

2026-08-30

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 flaw exists in the SPI subsystem during the controller registration failure path. This issue occurs when per-cpu statistics allocation fails, potentially leading to local privilege escalation, use-after-free of driver resources, and unclocked register accesses.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

LPE

Use After Free

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Weakness Enumeration

Related Identifiers

BDU:2026-12341
CVE-2026-31389
ECHO-CFC1-77CB-A838
OESA-2026-2172
OESA-2026-2173
OESA-2026-2176
OPENSUSE-SU-2026:20826-1
SUSE-SU-2026:21834-1
SUSE-SU-2026:21841-1
SUSE-SU-2026:21845-1
SUSE-SU-2026:21860-1
SUSE-SU-2026:21876-1
SUSE-SU-2026:21877-1
SUSE-SU-2026:21916-1
SUSE-SU-2026:21919-1
SUSE-SU-2026:2217-1
SUSE-SU-2026:2238-1
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