PT-2025-38337 · Linux+4 · Linux Kernel+4

Published 2022-12-08 · Updated 2025-10-23 · CVE-2022-50389

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 Linux kernel contains an issue where a memory leak occurs in the crb acpi add() function. This is due to the failure to free the TPM2 table after retrieving information like the start method. Calling acpi put table() resolves this memory leak.

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:2026-03773

CESA-2023_7077

CVE-2022-50389

OESA-2025-2348

RHSA-2023:6583

RHSA-2023:7077

RHSA-2023_6583

RHSA-2023_7077

SUSE-SU-2025:03614-1

SUSE-SU-2025:03615-1

SUSE-SU-2025:03628-1

SUSE-SU-2025:3716-1

SUSE-SU-2025:3761-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Suse

References · 1003

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50389.json · Exploit
• https://git.kernel.org/stable/c/986cd9a9b95423e35a2cbb8e9105aec0e0d7f337 · Patch
• https://git.kernel.org/stable/c/927860dfa161ae8392a264197257dbdc52b26b0f · Patch
• https://bdu.fstec.ru/vul/2026-03773 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-53149 · Security Note
• https://ubuntu.com/security/CVE-2022-50389 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-39773 · Security Note
• https://git.kernel.org/stable/c/b0785edaf649e5f04dc7f75533e810f4c00e4106 · Patch
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50389 · Vendor Advisory
• https://git.kernel.org/stable/c/2fcd3dc8b97a14f1672729c86b7041a1a89b052a · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2023-53332 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50312 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-50343 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:03615-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50389 · Vendor Advisory