PT-2025-37555 · Linux+2 · Linux Kernel+2

Published 2023-02-05 · Updated 2025-11-24 · CVE-2023-53191

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 Linux kernel contains a refcount leak in the alpine msix init domains function within the irqchip/alpine-msi module. The of irq find parent() function increments the reference count of a node pointer, and a missing call to of node put() results in a refcount leak when the node is no longer needed.

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

Exploit

Weakness Enumeration

CWE-911

Related Identifiers

BDU:2026-02370

CVE-2023-53191

SUSE-SU-2025:4189-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 318

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53191.json · Exploit
• https://security-tracker.debian.org/tracker/CVE-2023-53191 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53191 · Vendor Advisory
• https://git.kernel.org/stable/c/d6c66c46889752fa4962c6388516f7ab66a8d6a1 · Patch
• https://git.kernel.org/stable/c/071d068b89e95d1b078aa6bbcb9d0961b77d6aa1 · Patch
• https://git.kernel.org/stable/c/eef04516f0c317ce80502c1d6b0d06235a87cd8f · Patch
• https://git.kernel.org/stable/c/65e30bd1310d90b794c377bf405394157854aa30 · Patch
• https://git.kernel.org/stable/c/eef09f786df4b34b97557929287c4e5a83bbf09b · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53191 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-53191 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53191 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53191 · Security Note
• https://git.kernel.org/stable/c/c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710 · Patch
• https://git.kernel.org/stable/c/9e79ac4f70fd51243e1c6108d4b0baf16cfde99c · Patch
• https://git.kernel.org/stable/c/5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926 · Patch