PT-2026-34352 · Linux+2 · Linux Kernel+2

CVE-2026-31447

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Published

2026-03-28

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Updated

2026-08-30

CVSS v3.1

9.1

Critical

VectorAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description An issue exists in the ext4 file system where the kernel fails to reject mounting when bigalloc is used in conjunction with s first data block not equal to 0, a configuration that is not supported.
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

CWE-1288

Related Identifiers

AZL-83321
BDU:2026-12516
CVE-2026-31447
ECHO-258F-E1D2-EEA5
OESA-2026-2416
OESA-2026-2417
OESA-2026-2418
OESA-2026-2419
OPENSUSE-SU-2026:21555-1
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-2026:2450-1
SUSE-SU-2026:3130-1
SUSE-SU-2026:3166-1
USN-8567-1
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-8595-1
USN-8595-2
USN-8595-3
USN-8596-1
USN-8597-1
USN-8606-1
USN-8607-1
USN-8608-1
USN-8609-1
USN-8610-1
USN-8619-1
USN-8620-1
USN-8620-2
USN-8620-3
USN-8620-4
USN-8665-1
USN-8668-1

Affected Products

Linuxmint
Linux Kernel
Ubuntu