PT-2026-37549 · Linux+2 · Linux Kernel+2

CVE-2026-43209

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Published

2025-12-08

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Updated

2026-08-23

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 The fs/minix implementation of the minix filesystem lacks necessary sanity checking in the minix check superblock() function. Specifically, it does not support any value for s log zone size other than 0. The issue involves a lack of validation for various minix superblock fields and the placement of minix blocks needed() checks for the zmap and imap.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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Weakness Enumeration

Related Identifiers

BDU:2026-11703
CVE-2026-43209
USN-8492-1
USN-8492-2
USN-8492-3
USN-8492-4
USN-8492-5
USN-8497-1
USN-8498-1
USN-8499-1
USN-8575-1
USN-8575-2
USN-8575-3
USN-8576-1
USN-8576-2
USN-8597-1
USN-8606-1
USN-8607-1
USN-8609-1
USN-8610-1
USN-8619-1
USN-8620-1
USN-8620-2
USN-8620-3
USN-8620-4
USN-8668-1

Affected Products

Linuxmint
Linux Kernel
Ubuntu