PT-2025-53992 · Linux · Linux Kernel

Published 2023-02-17 · Updated 2026-01-07 · CVE-2023-54162

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

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

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

Description A memory leak exists within the ksmbd module, specifically in the smb2 lock() function. The issue occurs when the argv variable is not properly freed under certain conditions: when setup async work fails, or when the current process is woken up. This can lead to a gradual depletion of system memory.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2026-00472

CVE-2023-54162

Affected Products

Linux Kernel

References · 20

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54162.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-54162 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-54162 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-54162 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-54162 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-54162 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54162 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-54162 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00472 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-54162 · Security Note
• https://git.kernel.org/linus/d3ca9f7aeba793d74361d88a8800b2f205c9236b · Note
• https://git.kernel.org/stable/c/d3ca9f7aeba793d74361d88a8800b2f205c9236b · Note
• https://twitter.com/CVEnew/status/2006861539702087722 · Twitter Post
• https://git.kernel.org/stable/c/11d38f8a0c19763e34d2093b5ecb640e012cb2d2 · Note
• https://docs.bell-sw.com/security/cves/CVE-2023-54162 · Note