PT-2026-82891 · Linux · Linux Kernel

CVE-2026-80591

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Published

2026-08-28

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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 f2fs file system where corrupted xattr entries are not properly handled. The f2fs listxattr() function fails to validate the xattr entry before reading its fields, which can lead to returning a successful partial result even when the entry is located outside the valid xattr storage area.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

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Related Identifiers

CVE-2026-80591
USN-8726-1
USN-8727-1
USN-8728-1

Affected Products

Linux Kernel