PT-2025-54005 · Linux+1 · Linux Kernel+1

Published 2023-04-13 · Updated 2026-01-01 · CVE-2023-54176

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

AV:L/AC:H/Au:S/C:P/I:P/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.3.0-rc1-gde5e8fd0123c #11

Description The mptcp protocol could run a worker when the associated socket was in an unexpected state, specifically during a connect operation following an incoming reset and fastclose. This could lead to a divide error and system crash. The issue was identified through a report by Christoph and addressed by implementing stricter state checks before running the mptcp worker.

Recommendations Update to Linux kernel version 6.3.0-rc1-gde5e8fd0123c #11 or a later version to resolve this issue.

Exploit

Fix

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2026-02424

CVE-2023-54176

RHSA-2023:6583

Affected Products

Linux Kernel

Red Hat

References · 23

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54176.json · Exploit
• https://bdu.fstec.ru/vul/2026-02424 · Security Note
• https://osv.dev/vulnerability/CVE-2023-54176 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-54176 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-54176 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-54176 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-54176 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-54176 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-54176 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54176 · Security Note
• https://git.kernel.org/stable/c/19ea79e87af32c2b3c6fc49bd84efeb35ca57678 · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.25 · Note
• https://git.kernel.org/stable/c/f0b4a4086cf27240fc621a560da9735159049dcc · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.12 · Note