PT-2022-6239 · Linux+4 · Linux Kernel+4

Rohit Keshri · Published 2022-11-25 · Updated 2024-02-27 · CVE-2023-0469

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 A use-after-free flaw was found in the io uring subcomponent, specifically in io uring/filetable.c during the io install fixed file() function call cleanup. This issue may lead to a denial of service. The flaw is related to the use of previously freed memory, which could allow an attacker to cause a service disruption.

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

Exploit

DoS

Integer Underflow

Use After Free

Weakness Enumeration

CWE-191

CWE-416

Related Identifiers

ALT-PU-2022-3364

ALT-PU-2022-3371

ALT-PU-2023-1023

ALT-PU-2023-1064

ALT-PU-2023-1684

ALT-PU-2023-1741

ALT-PU-2023-1814

ALT-PU-2023-4894

AZL-13171

BDU:2023-00627

CVE-2023-0469

OPENSUSE-SU-2023_2646-1

OPENSUSE-SU-2023_2871-1

SUSE-SU-2023:2646-1

SUSE-SU-2023:2809-1

SUSE-SU-2023:2871-1

USN-5914-1

USN-5970-1

USN-5979-1

Affected Products

Alt Linux

Linux Kernel

Linuxmint

Suse

Ubuntu

References · 607

• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=2163723 · Exploit
• https://osv.dev/vulnerability/CVE-2023-0469 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5914-1 · Vendor Advisory
• https://osv.dev/vulnerability/USN-5979-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5914-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:2646-1 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5970-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-4379 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-4382 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-47520 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-43945 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-0469 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-42329 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-0469 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-42328 · Vendor Advisory