PT-2025-38208 · Linux+2 · Linux Kernel+2

Published 2023-05-03 · Updated 2025-09-18 · CVE-2023-53358

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

AV:L/AC:H/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

Use After Free

Race Condition

Buffer Overflow

Weakness Enumeration

CWE-416

CWE-362

CWE-119

Related Identifiers

BDU:2026-03357

CVE-2023-53358

Affected Products

Astra Linux

Debian

Linux Kernel

References · 20

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53358.json · Exploit
• https://git.kernel.org/stable/c/39366b47a59d46af15ac57beb0996268bf911f6a · Patch
• https://cve.org/CVERecord?id=CVE-2023-53358 · Security Note
• https://git.kernel.org/stable/c/b36295c17fb97424406f0c3ab321b1ccaabb9be8 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53358 · Security Note
• https://git.kernel.org/stable/c/dc1c17716c099c90948ebb83e2170dd75a3be6b6 · Patch
• https://osv.dev/vulnerability/CVE-2023-53358 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53358 · Vendor Advisory
• https://git.kernel.org/stable/c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6 · Patch
• https://ubuntu.com/security/CVE-2023-53358 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03357 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-53358 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53358 · Vendor Advisory
• https://git.kernel.org/stable/c/30210947a343b6b3ca13adc9bfc88e1543e16dd5 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53358 · Vendor Advisory