PT-2025-38356 · Linux+2 · Linux Kernel+2

Published

2023-06-22

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Updated

2025-12-12

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CVE-2023-53377

CVSS v3.1

7.8

High

VectorAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)
Description The Linux kernel contains a use-after-free issue within the smb2 compound op function. This can lead to difficult-to-debug problems. The issue was identified during kernel stress testing with KASAN enabled and is resolved by adjusting the order of operations to free the cfile after its usage.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Use After Free

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Weakness Enumeration

Related Identifiers

BDU:2026-03329
CVE-2023-53377
SUSE-SU-2025:03600-1
SUSE-SU-2025:03615-1
SUSE-SU-2025:03628-1
SUSE-SU-2025:03634-1
SUSE-SU-2025:20851-1
SUSE-SU-2025:20861-1
SUSE-SU-2025:20870-1
SUSE-SU-2025:20898-1
SUSE-SU-2025:3716-1
SUSE-SU-2025:3751-1
SUSE-SU-2025:3761-1
SUSE-SU-2025:4057-1
SUSE-SU-2025:4132-1
SUSE-SU-2025:4141-1

Affected Products

Astra Linux
Linux Kernel
Suse