PT-2025-40755 · Sifive+2 · Sifive+2

Published 2023-01-02 · Updated 2025-12-04 · CVE-2023-53592

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 sifive gpio probe function within the GPIO subsystem for Sifive platforms. The of irq find parent() function increments the reference count of a node pointer, and a missing call to of node put() prevents decrementing this count when it is no longer needed, leading to a memory leak.

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

Exploit

Weakness Enumeration

CWE-911

Related Identifiers

BDU:2026-04437

CVE-2023-53592

SUSE-SU-2025:4111-1

SUSE-SU-2025:4139-1

SUSE-SU-2025:4149-1

SUSE-SU-2025:4320-1

Affected Products

Linux Kernel

Sifive

Suse

References · 454

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53592.json · Exploit
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53592 · Vendor Advisory
• https://git.kernel.org/stable/c/694175cd8a1643cde3acb45c9294bca44a8e08e9 · Patch
• https://git.kernel.org/stable/c/f4a2ad1002006548e235255c65a4f1d07312be9d · Patch
• https://git.kernel.org/stable/c/9a402a210798662b04cbe6ca466e916a15efa03a · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:4320-1 · Vendor Advisory
• https://git.kernel.org/stable/c/f9fb4776ebbc16dfc512adbdc0fe218acb47c7cc · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:4139-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53592 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53592 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-04437 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:4149-1 · Vendor Advisory
• https://git.kernel.org/stable/c/95da1882ce9372ba20278f87cdb7a34f9812c4b5 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53592 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-53592 · Security Note