PT-2024-14739 · Linux+3 · Linux Kernel+3

Johan Hovold · Published 2023-10-19 · Updated 2025-02-03 · CVE-2023-52776

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

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

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

Description The issue is related to the wifi: ath12k module in the Linux kernel, where the DFS-radar and temperature event handling code was not properly marked as a read-side critical section, potentially leading to use-after-free issues. The ath12k mac get ar by pdev id() function is involved in this issue. The temperature event handler is currently a placeholder but could still trigger an RCU lockdep splat.

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

Exploit

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-14296

CVE-2023-52776

SUSE-SU-2024:2571-1

SUSE-SU-2024:2896-1

SUSE-SU-2024:2973-1

SUSE-SU-2025:20008-1

SUSE-SU-2025:20028-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 1925

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52776.json · Exploit
• https://git.kernel.org/stable/c/774de37c147fea81f2c2e4be5082304f4f71d535 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-52776 · Security Note
• https://git.kernel.org/stable/c/d7a5f7f76568e48869916d769e28b9f3ca70c78e · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:2973-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52776 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-52776 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-52776 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20028-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2896-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-52776 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-14296 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-52776 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:20008-1 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-52776 · Vendor Advisory