PT-2025-38208 · Linux+3 · Linux Kernel+3

CVE-2023-53358

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Published

2023-05-03

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Updated

2026-07-02

CVSS v3.1

8.8

High

VectorAV:N/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 (UAF) issue occurring during concurrent SMB2 tree disconnect operations. A patch introduces the TREE CONN EXPIRE flag for transaction control blocks (tcons) to prevent concurrent access.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Buffer Overflow

Race Condition

Use After Free

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Weakness Enumeration

Related Identifiers

BDU:2026-03357
CVE-2023-53358

Affected Products

Astra Linux
Debian
Linux Kernel
Red Os