PT-2025-18895 · Linux+2 · Linux Kernel+2

Published 2023-03-08 · Updated 2025-07-10 · CVE-2023-53131

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV: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 The issue concerns a server shutdown leak in the SUNRPC component of the Linux kernel. It involves a race condition where kthread stop() may prevent threadfn from being called, resulting in the svc rqst not being cleaned up.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Resource Release

Memory Leak

Weakness Enumeration

CWE-404

CWE-401

Related Identifiers

BDU:2026-03960

CVE-2023-53131

SUSE-SU-2025:01918-1

SUSE-SU-2025:01966-1

SUSE-SU-2025:01983-1

SUSE-SU-2025:02173-1

SUSE-SU-2025:02262-1

SUSE-SU-2025:2173-1

SUSE-SU-2025_01983-1

SUSE-SU-2025_02173-1

SUSE-SU-2025_02262-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 660

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53131.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53131 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53131 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53131 · Vendor Advisory
• https://git.kernel.org/stable/c/7a3720361068ab520aed4608bad31ea9a6cc7fe7 · Patch
• https://git.kernel.org/stable/c/ce7dd61e004002bc1c48d1ca47c887f3f3cc7370 · Patch
• https://git.kernel.org/stable/c/ad7e40ee157ba33950a4ccdc284334580da3638d · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53131 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01983-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02173-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01966-1 · Vendor Advisory
• https://git.kernel.org/stable/c/f74b3286859463cd63cc9d4aeaabd8b0c640182a · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02262-1 · Vendor Advisory
• https://git.kernel.org/stable/c/9ca6705d9d609441d34f8b853e1e4a6369b3b171 · Patch
• https://security-tracker.debian.org/tracker/CVE-2023-53131 · Vendor Advisory