PT-2025-37534 · Linux+2 · Linux Kernel+2

Published 2025-09-15 · Updated 2025-11-19 · CVE-2023-53170

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 A flaw exists in the Linux kernel's networking subsystem related to Device Switch Architecture (DSA). An unnecessary of node put call was removed from the felix parse ports node function’s continue path. This change prevents a child node from being released twice, which could lead to resource leaks or other unexpected issues.

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

Exploit

Related Identifiers

CVE-2023-53170

SUSE-SU-2025:03600-1

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-2025:3751-1

SUSE-SU-2025:4057-1

SUSE-SU-2025:4132-1

SUSE-SU-2025:4141-1

Affected Products

Astra Linux

Linux Kernel

Suse

References · 1402

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53170.json · Exploit
• https://osv.dev/vulnerability/BELL-CVE-2023-53170 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53170 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53170 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53170 · Security Note
• https://git.kernel.org/stable/c/04499f28b40bfc24f20b0e2331008bb90a54a6cf · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:20851-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53170 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4141-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20861-1 · Vendor Advisory
• https://git.kernel.org/stable/c/7ead10b44b79ce8bfcd51e749d54e009de5f511a · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:20870-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53170 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53170 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53170 · Security Note