PT-2024-11846 · Linux+4 · Linux Kernel+4

Syzbot · Published 2022-12-04 · Updated 2025-09-29 · CVE-2022-48981

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Description The issue is related to the drm/shmem-helper component of the Linux kernel. It involves an error in the drm gem shmem mmap() function, where the GEM object is prematurely freed due to an incorrect reference, leading to a later use-after-free. This can potentially allow an attacker to cause a denial of service.

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

Exploit

Use After Free

Double Free

Weakness Enumeration

CWE-416

CWE-415

Related Identifiers

ALSA-2025_16880

ALT-PU-2023-1066

BDU:2025-01705

CVE-2022-48981

OESA-2024-2371

OPENSUSE-SU-2024_3983-1

OPENSUSE-SU-2024_3985-1

OPENSUSE-SU-2024_4131-1

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

Alt Linux

Astra Linux

Linux Kernel

Red Os

Suse

References · 1083

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/48xxx/CVE-2022-48981.json · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-48995 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-49954 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-50083 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-49021 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2024:3985-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-49860 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-49882 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-47660 · Security Note
• https://osv.dev/vulnerability/CVE-2022-48981 · Vendor Advisory
• https://git.kernel.org/stable/c/6a4da05acd062ae7774b6b19cef2b7d922902d36 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2024-49881 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-50063 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-49922 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-50033 · Security Note