PT-2026-37579 · Linux+1 · Linux Kernel+1

CVE-2026-43239

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Published

2026-05-06

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Updated

2026-07-28

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A race condition exists in the SMB client within the query interfaces() function. This occurs when two query interface operations concurrently attempt to update the interfaces. The issue is addressed by checking and updating the iface last update variable while holding the iface lock.
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-2026-43239
OESA-2026-2869
OESA-2026-3157
SUSE-SU-2026:22433-1
SUSE-SU-2026:22436-1
SUSE-SU-2026:22458-1
SUSE-SU-2026:22460-1
SUSE-SU-2026:2722-1
SUSE-SU-2026:2799-1
USN-8492-1
USN-8492-2
USN-8492-3
USN-8492-4
USN-8492-5
USN-8497-1
USN-8498-1
USN-8499-1
USN-8606-1
USN-8607-1
USN-8609-1
USN-8619-1

Affected Products

Linuxmint
Linux Kernel