PT-2026-2526 · Linux+3 · Linux Kernel+3

Published

2025-09-22

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Updated

2026-05-26

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CVE-2025-68794

CVSS v2.0

5.5

Medium

VectorAV:L/AC:H/Au:S/C:C/I:N/A:C
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description The iomap adjust read range() function incorrectly assumes that the position and length parameters are block-aligned. This can occur with the erofs filesystem. The incorrect calculation can cause an underflow of the length, resulting in a returned position beyond the folio. This issue affects the calculation of bytes to skip for uptodate blocks.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

AZL-74483
BDU:2026-00712
CVE-2025-68794
ECHO-68AB-02F4-A97F
MGASA-2026-0017
MGASA-2026-0018
OESA-2026-1759
OESA-2026-1760
OESA-2026-1761
OPENSUSE-SU-2026:20572-1
SUSE-SU-2026:1573-1
SUSE-SU-2026:1661-1
SUSE-SU-2026:21114-1
SUSE-SU-2026:21123-1
SUSE-SU-2026:21237-1
SUSE-SU-2026:21255-1
SUSE-SU-2026:21352-1
SUSE-SU-2026:21361-1
USN-8177-1
USN-8177-2
USN-8179-1
USN-8179-2
USN-8179-3
USN-8179-4
USN-8183-1
USN-8183-2
USN-8184-1
USN-8185-1
USN-8185-2
USN-8203-1
USN-8204-1
USN-8245-1
USN-8257-1
USN-8258-1
USN-8260-1
USN-8261-1
USN-8265-1

Affected Products

Linuxmint
Linux Kernel
Ubuntu
Erofs