PT-2022-7436 · Linux+3 · Linux Kernel+3

Published 2022-09-05 · Updated 2024-08-30 · CVE-2022-48656

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 refcount leak bug in the of xudma dev get() function within the dmaengine component of the Linux kernel. This bug can be exploited to cause a denial of service. The fix involves calling of node put() for the reference returned by of parse phandle() in the fail path or when it is not used anymore, by moving the of node put() before the check.

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

Exploit

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

BDU:2024-06320

CVE-2022-48656

OESA-2024-2080

OPENSUSE-SU-2024_1641-1

OPENSUSE-SU-2024_1644-1

OPENSUSE-SU-2024_1659-1

OPENSUSE-SU-2024_1663-1

SUSE-SU-2024:1641-1

SUSE-SU-2024:1644-1

SUSE-SU-2024:1647-1

SUSE-SU-2024:1659-1

SUSE-SU-2024:1663-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 628

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48656.json · Exploit
• 🔥 https://github.com/MaherAzzouzi/CVE-2024-26817-amdkfd · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47292 · Security Note
• https://bdu.fstec.ru/vul/2024-06320 · Security Note
• https://git.kernel.org/stable/c/dd5a6c5a08752b613e83ad2cb5133e72a64b876d · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2024-42305 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48898 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48686 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48656 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-42284 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48899 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48663 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-48642 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-52903 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-43860 · Security Note