PT-2025-49667 · Linux · Linux Kernel

Published 2025-12-09 · Updated 2026-03-24 · CVE-2023-53807

Positive Technologies (AI Summary)

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

Description An issue was identified in the Linux kernel related to clocking-wizard functionality. Specifically, a potential error pointer dereference exists within the clk wzrd register divider() function. If devm clk hw register() fails, it sets a hardware pointer (hw) to an error value, which is then dereferenced in the subsequent line, leading to a potential system crash (Oops). The issue was detected by Smatch, a static analysis tool.

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

Exploit

Related Identifiers

CVE-2023-53807

SUSE-SU-2026:0278-1

SUSE-SU-2026:0281-1

SUSE-SU-2026:0293-1

SUSE-SU-2026:0315-1

SUSE-SU-2026:20477-1

SUSE-SU-2026:20498-1

SUSE-SU-2026:20845-1

SUSE-SU-2026:20876-1

Affected Products

Linux Kernel

References · 1460

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53807.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-53807 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53807 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20845-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0281-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53807 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20876-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53807 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0293-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53807 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53807 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20498-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:20477-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53807 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53807 · Vendor Advisory