CVE-2026-23388

Description

In the Linux kernel, the following vulnerability has been resolved:Squashfs: check metadata block offset is within rangeSyzkaller reports a general protection fault in squashfs_copy_dataThis is ultimately caused by a corrupted index look-up table, whichproduces a negative metadata block offset.This is subsequently passed to squashfs_copy_data (viasquashfs_read_metadata) where the negative offset causes an out of boundsaccess.The fix is to check that the offset is within range insquashfs_read_metadata. This will trap this and other cases.

Risk Information

Base Score

6.6

MODERATE

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H

EPSS Score

Exploitation Probability

0.032

Associated Vulnerability

No records found

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234