PT-2025-49497 · Linux+3 · Linux Kernel+3

Published 2025-12-08 · Updated 2026-04-20 · CVE-2023-53767

Positive Technologies (AI Summary)

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

Description A memory leak exists in the ath12k qmi driver event work() function within the ath12k driver. The issue occurs when the ATH12K FLAG UNREGISTERING bit is set, preventing the proper freeing of a buffer pointed to by the event variable, leading to a memory leak. The fix involves adding a 'goto skip' statement to ensure the event and associated list entries are correctly freed.

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

Exploit

Related Identifiers

CVE-2023-53767

RHSA-2023:6583

RHSA-2023:7077

Affected Products

Centos

Debian

Linux Kernel

Red Hat

References · 19

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53767.json · Exploit
• https://cve.org/CVERecord?id=CVE-2023-53767 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-53767 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53767 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2023-53767 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53767 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53767 · Security Note
• https://osv.dev/vulnerability/CVE-2023-53767 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-53767 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53767 · Vendor Advisory
• https://twitter.com/VulmonFeeds/status/1997978082351751196 · Twitter Post
• https://git.kernel.org/stable/c/a87f59041a7f77b4bdab05cea60ac6adc69dc5d2 · Note
• https://docs.bell-sw.com/security/cves/CVE-2023-53767 · Note
• https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git · Note
• https://twitter.com/CVEnew/status/1997863644302909532 · Twitter Post