PT-2024-9068 · Linux+3 · Linux Kernel+3

Published 2024-05-24 · Updated 2024-12-17 · CVE-2021-47534

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:S/C:N/I:N/A:C

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

Description: The issue is related to a memory leak in the kms component of the Linux kernel. The leak occurs due to incorrect refcounting, causing the drm crtc commit structure to be leaked every commit. This can lead to a denial of service. The vulnerability is caused by a missing drm crtc commit put call.

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:2024-10750

CVE-2021-47534

OPENSUSE-SU-2024_2189-1

OPENSUSE-SU-2024_2372-1

OPENSUSE-SU-2024_2394-1

OPENSUSE-SU-2024_3983-1

OPENSUSE-SU-2024_3985-1

OPENSUSE-SU-2024_4131-1

SUSE-SU-2024:2008-1

SUSE-SU-2024:2011-1

SUSE-SU-2024:2019-1

SUSE-SU-2024:2189-1

SUSE-SU-2024:2190-1

SUSE-SU-2024:2372-1

SUSE-SU-2024:2394-1

SUSE-SU-2024:2902-1

SUSE-SU-2024:2929-1

SUSE-SU-2024:2939-1

SUSE-SU-2024:3983-1

SUSE-SU-2024:3985-1

SUSE-SU-2024:4082-1

SUSE-SU-2024:4131-1

SUSE-SU-2024:4364-1

Affected Products

Astra Linux

Linux Kernel

Red Os

Suse

References · 3337

• 🔥 https://github.com/lanleft/CVE-2023-1829 · Exploit
• https://git.kernel.org/stable/c/53f9601e908d42481addd67cdb01a9288c611124 · Patch
• https://git.kernel.org/stable/c/049cfff8d53a30cae3349ff71a4c01b7d9981bc2 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2024:2394-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-47534 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:2939-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-47534 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-47534 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2372-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:4131-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:3983-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2011-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-10750 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:2902-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2024:2019-1 · Vendor Advisory