PT-2026-39054 · Linux · Linux Kernel

CVE-2026-43393

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Published

2026-05-08

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Updated

2026-06-15

CVSS v3.1

5.5

Medium

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description A chunk map leak occurs in the btrfs map block() function after the btrfs chunk map num copies() function is called. The leak happens when the system returns early with an -EINVAL error, resulting in the failure to free the recently looked-up chunk map.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Leak

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Weakness Enumeration

Related Identifiers

CVE-2026-43393
OPENSUSE-SU-2026:20965-1
SUSE-SU-2026:22099-1
SUSE-SU-2026:22112-1
SUSE-SU-2026:22117-1
SUSE-SU-2026:22127-1

Affected Products

Linux Kernel