PT-2026-52935 · Linux+2 · Linux Kernel+2

CVE-2026-53296

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Published

2026-04-12

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Updated

2026-09-07

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 An issue exists in the mailbox-test component where channels are not freed during a probe error. This failure to release resources leads to a memory leak and creates Use-After-Free (UAF) scenarios, as the client structure is removed due to its allocation with devm while the channels remain active.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Leak

Use After Free

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Weakness Enumeration

Related Identifiers

BDU:2026-14084
CVE-2026-53296
ECHO-23B5-4541-5A68
USN-8566-1
USN-8567-1
USN-8568-1
USN-8569-1
USN-8574-1
USN-8574-2
USN-8574-3
USN-8575-1
USN-8575-2
USN-8575-3
USN-8576-1
USN-8576-2
USN-8593-1
USN-8595-1
USN-8595-2
USN-8595-3
USN-8596-1
USN-8603-1
USN-8606-1
USN-8607-1
USN-8608-1
USN-8609-1
USN-8610-1
USN-8618-1
USN-8619-1
USN-8620-1
USN-8620-2
USN-8620-3
USN-8620-4
USN-8663-1
USN-8664-1
USN-8665-1
USN-8668-1
USN-8728-1

Affected Products

Linuxmint
Linux Kernel
Ubuntu