PT-2025-40675 · Linux+1 · Linux Kernel+1

Published 2023-04-13 · Updated 2026-02-09 · CVE-2023-53533

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

Description A reference count leak exists in the rpi ts probe function within the Linux kernel. The rpi firmware get() function acquires a reference, which was not being released in error paths. This issue has been addressed by utilizing the devm rpi firmware get() helper to manage resources and removing the existing rpi firmware put() function.

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

Exploit

Weakness Enumeration

CWE-911

CWE-664

Related Identifiers

BDU:2026-04336

CVE-2023-53533

SUSE-SU-2025:4111-1

SUSE-SU-2025:4139-1

SUSE-SU-2025:4149-1

SUSE-SU-2025:4189-1

SUSE-SU-2025:4320-1

Affected Products

Linux Kernel

Suse

References · 620

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53533.json · Exploit
• https://git.kernel.org/stable/c/9216aa5cfd86809a2681be3683cd9ac30432de0c · Patch
• https://git.kernel.org/stable/c/9dbbe9db224c23a60dc7b1e00c701be93328c873 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53533 · Security Note
• https://git.kernel.org/stable/c/5bca3688bdbc3b58a2894b8671a8e2378efe28bd · Patch
• https://git.kernel.org/stable/c/7acad58049acc6ac148e8b613a6eceeca4bcb4a7 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:4111-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53533 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-53533 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-53533 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:4189-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53533 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4320-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4149-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53533 · Vendor Advisory