PT-2024-8384 · Linux+5 · Linux Kernel+5

Published 2023-12-08 · Updated 2025-03-28 · CVE-2023-52687

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 issue is related to the crypto component of the Linux kernel, specifically with the safexcel function. It involves incorrect error handling in the dma map sg() macro, which may return 0 on error. This can lead to a denial of service. The vulnerability was found by the Linux Verification Center using a static analysis tool.

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

Exploit

Unchecked Return Value

Weakness Enumeration

CWE-252

CWE-388

Related Identifiers

BDU:2024-09943

CVE-2023-52687

SUSE-SU-2024:2135-1

SUSE-SU-2024:2203-1

SUSE-SU-2024:2973-1

SUSE-SU-2025:20008-1

SUSE-SU-2025:20028-1

SUSE-SU-2025:20166-1

SUSE-SU-2025:20249-1

USN-6818-1

USN-6818-2

USN-6818-3

USN-6818-4

USN-6819-1

USN-6819-2

USN-6819-3

USN-6819-4

Affected Products

Astra Linux

Linuxmint

Linux Kernel

Red Os

Suse

Ubuntu

References · 2962

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52687.json · Exploit
• https://ubuntu.com/security/CVE-2023-52626 · Vendor Advisory
• https://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec · Patch
• https://ubuntu.com/security/CVE-2023-52589 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26615 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-26620 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52490 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52612 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52690 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52609 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52598 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52677 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2023-52687 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52497 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52469 · Vendor Advisory