PT-2023-8774 · Linux+1 · Linux Kernel+1

Published 2023-12-04 · Updated 2025-01-28 · CVE-2023-52459

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 The issue is related to a repeated memory release in the v4l2 async unregister subdev() function within the Linux kernel's video subsystem. This can lead to a kernel error due to a NULL pointer dereference if CONFIG DEBUG LIST is disabled, or a warning if CONFIG DEBUG LIST=y is set, indicating list corruption. The problem arises from a duplicated list deletion call in the media: v4l: async module.

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

Exploit

NULL Pointer Dereference

Double Free

Weakness Enumeration

CWE-476

CWE-415

Related Identifiers

BDU:2024-01864

CVE-2023-52459

OPENSUSE-SU-2024:13767-1

OPENSUSE-SU-2025:14705-1

Affected Products

Linux Kernel

Red Os

References · 529

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52459.json · Exploit
• https://git.kernel.org/stable/c/b7062628caeaec90e8f691ebab2d70f31b7b6b91 · Patch
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-52459 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-52459 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-52459 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52459 · Security Note
• https://git.kernel.org/stable/c/3de6ee94aae701fa949cd3b5df6b6a440ddfb8f2 · Patch
• https://osv.dev/vulnerability/openSUSE-SU-2024:13767-1 · Vendor Advisory
• https://git.kernel.org/stable/c/49d82811428469566667f22749610b8c132cdb3e · Patch
• https://security-tracker.debian.org/tracker/CVE-2023-52459 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-52459 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2025:14705-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52459 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-01864 · Security Note
• https://osv.dev/vulnerability/CVE-2023-52459 · Vendor Advisory