PT-2025-53997 · Linux · Linux Kernel

Published 2023-03-19 · Updated 2026-02-24 · CVE-2023-54168

Positive Technologies (AI Summary)

CVSS v2.0

5.7

Medium

Base vector

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

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

Description A flaw exists in the Linux kernel's RDMA/mlx4 component related to a shift wrapping issue within the set user sq size() function. The ucmd->log sq bb count variable, which is user-controlled, can cause a shift operation to wrap, potentially leading to unexpected behavior. The issue is addressed by implementing check shl overflow() similar to a previous fix.

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

Exploit

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

BDU:2026-02423

CVE-2023-54168

OESA-2026-1306

SUSE-SU-2026:0263-1

SUSE-SU-2026:0316-1

SUSE-SU-2026:0317-1

SUSE-SU-2026:0350-1

SUSE-SU-2026:0352-1

SUSE-SU-2026:0369-1

SUSE-SU-2026:0411-1

SUSE-SU-2026:0617-1

Affected Products

Linux Kernel

References · 1146

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54168.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-38572 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-54186 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-40271 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-54168 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54294 · Security Note
• https://osv.dev/vulnerability/BELL-CVE-2023-54168 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54317 · Security Note
• https://osv.dev/vulnerability/CVE-2023-54168 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-54168 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-54168 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-54168 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-02423 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0317-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53847 · Security Note