PT-2025-40118 · Linux+1 · Linux Kernel+1

Published 2022-10-21 · Updated 2025-10-23 · CVE-2022-50433

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 A flaw exists in the Linux kernel related to EFI and SSDT handling. Specifically, memory allocated for a new ACPI table is incorrectly freed even when the ACPI core successfully loads the table. This issue was introduced by a commit and results in a use-after-free error detected by KASAN.

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

Exploit

Use After Free

Weakness Enumeration

CWE-825

CWE-416

Related Identifiers

BDU:2026-01629

CVE-2022-50433

SUSE-SU-2025:03615-1

SUSE-SU-2025:3761-1

Affected Products

Linux Kernel

Suse

References · 832

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50433.json · Exploit
• https://bdu.fstec.ru/vul/2026-01629 · Security Note
• https://git.kernel.org/stable/c/4b017e59f01097f19b938f6dc4dc2c4720701610 · Patch
• https://cve.org/CVERecord?id=CVE-2022-50433 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50433 · Vendor Advisory
• https://git.kernel.org/stable/c/11497fd69cd2282538ec6eb4cda1d16fc061233d · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50433 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50433 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:3761-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50433 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:03615-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50433 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-50433 · Vendor Advisory
• https://suse.com/security/cve/CVE-2023-53449 · Note
• https://bugzilla.suse.com/1250861 · Note