PT-2022-7672 · Linux+3 · Linux Kernel+3

Published 2022-01-27 · Updated 2024-09-25 · CVE-2022-48820

Positive Technologies (AI Summary)

CVSS v3.1

7.1

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/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 refcount leak in the stm32 usbphyc pll enable() function. This function is part of the Linux kernel's phy module, specifically in the drivers/phy/st/phy-stm32-usbphyc.c file. The error path in this function fails to decrement the usbphyc->n pll cons.counter before returning, which can lead to incorrect usage counter handling. Exploitation of this issue may allow an attacker to impact the confidentiality and availability of protected information.

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:2024-09145

CVE-2022-48820

OPENSUSE-SU-2024_2947-1

SUSE-SU-2024:2894-1

SUSE-SU-2024:2902-1

SUSE-SU-2024:2929-1

SUSE-SU-2024:2939-1

SUSE-SU-2024:2947-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 1232

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48820.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-48820 · Security Note
• https://cve.org/CVERecord?id=CVE-2022-48820 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-48820 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-48820 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2929-1 · Vendor Advisory
• https://git.kernel.org/stable/c/0ad1a88fa3eb0ded7798f52b79bc33f75fc9a6d2 · Patch
• https://git.kernel.org/stable/c/94b16ca86ab688ed6fad4548f70137f93cf1f0a9 · Patch
• https://osv.dev/vulnerability/CVE-2022-48820 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2894-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2939-1 · Vendor Advisory
• https://git.kernel.org/stable/c/cfc826c88a79e22ba5d8001556eb2c7efd8a01b6 · Patch
• https://ubuntu.com/security/CVE-2022-48820 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-48820 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2947-1 · Vendor Advisory