PT-2025-40236 · Rtw88 Usb+2 · Rtw88 Usb+2

Published 2023-04-17 · Updated 2026-04-20 · CVE-2023-53529

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 Linux kernel contains a memory leak in the rtw88 usb driver. The leak occurs due to unreferenced objects during the USB probe routine, specifically within the rtw usb probe function. Kmemleak detected a leak, confirmed by unloading the driver which resulted in a dangling pointer. The allocated memory is freed by the rtw usb intf deinit() function.

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

Exploit

Missing Release of Resource after Effective Lifetime

Memory Leak

Weakness Enumeration

CWE-772

CWE-401

Related Identifiers

BDU:2025-16235

CVE-2023-53529

ECHO-5115-D683-A9C3

Affected Products

Debian

Linux Kernel

Rtw88 Usb

References · 22

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53529.json · Exploit
• https://git.kernel.org/stable/c/59a3a312009723e3e5082899655fdcc420e2b47a · Patch
• https://ubuntu.com/security/CVE-2023-53529 · Vendor Advisory
• https://git.kernel.org/stable/c/5bba1ad561a8b5bb14704d8f511cf10466336e3d · Patch
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-11-CVE-2023-53529 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-16235 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2023-53529 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-53529 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-53529 · Security Note
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-12-CVE-2023-53529 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-53529 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-53529 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-53529 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-53529 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-UBUNTU-2204-CVE-2023-53529 · Vendor Advisory