PT-2025-49089 · Linux+3 · Linux Kernel+3

Published

2025-11-13

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Updated

2026-05-07

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CVE-2025-40259

CVSS v2.0

6.0

Medium

VectorAV:L/AC:H/Au:S/C:C/I:C/A:C
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description The Linux kernel contains a flaw within the SCSI subsystem, specifically in the sg module. The sg finish rem req() function calls blk rq unmap user(), which can potentially lead to sleeping within an atomic context. This occurs because blk rq unmap user() may sleep, and sg finish rem req() was previously called with interrupts disabled.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Locking

Weakness Enumeration

CWE-667

Related Identifiers

AZL-71386
BDU:2025-15940
CVE-2025-40259
DLA-4404-1
ECHO-2289-8A59-96AE
MGASA-2026-0017
MGASA-2026-0018
OESA-2026-1275
OESA-2026-1303
OESA-2026-1304
OESA-2026-1305
OPENSUSE-SU-2026:20287-1
SUSE-SU-2026:0447-1
SUSE-SU-2026:0471-1
SUSE-SU-2026:0472-1
SUSE-SU-2026:0473-1
SUSE-SU-2026:0587-1
SUSE-SU-2026:20477-1
SUSE-SU-2026:20498-1
SUSE-SU-2026:20555-1
SUSE-SU-2026:20599-1
SUSE-SU-2026:20615-1
SUSE-SU-2026:20845-1
SUSE-SU-2026:20876-1
USN-8094-1
USN-8094-2
USN-8094-3
USN-8094-4
USN-8094-5
USN-8095-1
USN-8095-2
USN-8095-3
USN-8095-4
USN-8095-5
USN-8096-1
USN-8096-2
USN-8096-3
USN-8096-4
USN-8096-5
USN-8100-1
USN-8116-1
USN-8125-1
USN-8126-1
USN-8141-1
USN-8152-1
USN-8163-1
USN-8163-2
USN-8165-1
USN-8243-1
USN-8261-1

Affected Products

Debian
Linuxmint
Linux Kernel
Ubuntu