PT-2025-54102 · Linux+1 · Linux Kernel+1

Published 2023-04-21 · Updated 2025-12-31 · CVE-2023-54273

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A flaw exists in the Linux kernel related to a reference leak within the xfrm subsystem. Specifically, the issue occurs during direction checks where the netdev reference tracker is released using an incorrect function call, leading to a potential resource leak.

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

Exploit

Weakness Enumeration

CWE-430

Related Identifiers

BDU:2026-01197

CVE-2023-54273

RHSA-2023:6583

Affected Products

Linux Kernel

Red Hat

References · 18

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54273.json · Exploit
• https://bdu.fstec.ru/vul/2026-01197 · Security Note
• https://ubuntu.com/security/CVE-2023-54273 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-54273 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-54273 · Security Note
• https://osv.dev/vulnerability/CVE-2023-54273 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-54273 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54273 · Security Note
• https://git.kernel.org/linus/ec8f32ad9a65a8cbb465b69e154aaec9d2fe45c4 · Note
• https://lore.kernel.org/linux-cve-announce/2025123001-CVE-2023-54273-29ea@gregkh/T · Note
• https://docs.bell-sw.com/security/cves/CVE-2023-54273 · Note
• https://access.redhat.com/security/cve/cve-2023-54273 · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4 · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://git.kernel.org/stable/c/ec8f32ad9a65a8cbb465b69e154aaec9d2fe45c4 · Note