PT-2024-3623 · Linux+6 · Linux Kernel+6

Published 2024-01-29 · Updated 2025-10-17 · CVE-2023-52656

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 io uring subsystem in the Linux kernel, specifically with the function io uring get file() in the module io uring/io uring.c. It is associated with a memory leak when passing io uring file descriptors through SCM RIGHTS messages in AF UNIX sockets. Exploitation of this issue could 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

Missing Release of Resource after Effective Lifetime

Weakness Enumeration

CWE-772

Related Identifiers

ALSA-2025_12746

ALSA-2025_12752

ALSA-2025_12753

ALSA-2025_16880

AZL-62750

BDU:2024-03941

CVE-2023-52656

DLA-3842-1

INFSA-2024_9315

OESA-2024-1677

OESA-2024-1678

OESA-2024-1680

OESA-2024-1681

OESA-2024-1682

RHSA-2024:9315

RHSA-2024_9315

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

USN-6820-1

USN-6820-2

USN-6821-1

USN-6821-2

USN-6821-3

USN-6821-4

USN-6828-1

USN-6871-1

USN-6892-1

USN-6896-1

USN-6896-2

USN-6896-3

USN-6896-4

USN-6896-5

USN-6919-1

Affected Products

Astra Linux

Linuxmint

Linux Kernel

Red Hat

Red Os

Suse

Ubuntu

References · 3063

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52656.json · Exploit
• https://ubuntu.com/security/CVE-2023-52642 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-35997 · Security Note
• https://ubuntu.com/security/CVE-2024-26999 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-35898 · Security Note
• https://git.kernel.org/stable/c/88c49d9c896143cdc0f77197c4dcf24140375e89 · Patch
• https://ubuntu.com/security/CVE-2024-26602 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-52643 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52691 · Security Note
• https://ubuntu.com/security/CVE-2024-26805 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-52867 · Security Note
• https://ubuntu.com/security/CVE-2024-27037 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-36006 · Security Note
• https://ubuntu.com/security/CVE-2024-27013 · Vendor Advisory
• https://ubuntu.com/security/CVE-2024-35877 · Vendor Advisory