PT-2023-9744 · Linux+3 · Linux Kernel+3

Publicado 2023-10-31 · Atualizado 2025-02-03 · CVE-2023-52851

Positive Technologies (AI Summary)

CVSS v3.1

7.8

Alta

Vetor base

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 a use-after-free error in the IB/mlx5 component of the Linux kernel. This error occurs when the workqueue allocation fails and returns NULL in mlx5 mkey cache init(), leading to a double free of the same QP. The vulnerability can be exploited to potentially elevate privileges in the system. The error is reported by Syzkaller in the ib destroy qp user function.

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

Enumeração de Fraquezas

CWE-416

CWE-415

Identificadores relacionados

BDU:2024-10410

CVE-2023-52851

SUSE-SU-2024:2008-1

SUSE-SU-2024:2019-1

SUSE-SU-2024:2190-1

SUSE-SU-2024:2571-1

SUSE-SU-2024:2896-1

SUSE-SU-2024:2973-1

SUSE-SU-2025:20008-1

SUSE-SU-2025:20028-1

Produtos afetados

Astra Linux

Linux Kernel

Red Os

Suse

Referências · 2483

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52851.json · Exploit
• https://suse.com/security/cve/CVE-2024-36928 · Nota
• https://osv.dev/vulnerability/BELL-CVE-2023-52851 · Aviso do Fabricante
• https://suse.com/security/cve/CVE-2024-39277 · Nota
• https://bugzilla.suse.com/1220148 · Nota
• https://bugzilla.suse.com/1224433 · Nota
• https://suse.com/security/cve/CVE-2024-35891 · Nota
• https://bugzilla.suse.com/1224577 · Nota
• https://suse.com/security/cve/CVE-2024-41013 · Nota
• https://bugzilla.suse.com/1225380 · Nota
• https://suse.com/security/cve/CVE-2024-35962 · Nota
• https://bugzilla.suse.com/1224946 · Nota
• https://bugzilla.suse.com/1224481 · Nota
• https://suse.com/security/cve/CVE-2021-47363 · Nota
• https://bugzilla.suse.com/1225078 · Nota