PT-2023-2682 · Linux+4 · Linux Kernel+4

Xingyuan Mo · Published 2023-01-19 · Updated 2025-03-06 · CVE-2023-2430

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 vulnerability was found due to a missing lock for the IOPOLL flaw in the io cqring event overflow() function in io uring.c. This flaw allows a local attacker with user privilege to trigger a Denial of Service threat. The vulnerability is related to incorrect resource locking, which may also allow an attacker to elevate privileges.

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

DoS

Improper Locking

Weakness Enumeration

CWE-413

CWE-667

Related Identifiers

ALT-PU-2024-14046

ALT-PU-2024-6818

AZL-27759

BDU:2023-02522

CVE-2023-2430

DSA-5492-1

OPENSUSE-SU-2023_2871-1

OPENSUSE-SU-2023_2892-1

OPENSUSE-SU-2023_3302-1

SUSE-SU-2023:2871-1

SUSE-SU-2023:2892-1

SUSE-SU-2023:3302-1

USN-6192-1

USN-6194-1

USN-6235-1

Affected Products

Alt Linux

Linux Kernel

Linuxmint

Suse

Ubuntu

References · 689

• https://osv.dev/vulnerability/USN-6194-1 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e12d7a46f65ae4b7d58a5e0c1cbfa825cf8 · Patch
• https://ubuntu.com/security/CVE-2023-2124 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-5492-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-0459 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-6194-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-1073 · Vendor Advisory
• https://debian.org/security/2023/dsa-5492 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6235-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-2430 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-2430 · Security Note
• https://cve.org/CVERecord?id=CVE-2023-2430 · Security Note
• https://osv.dev/vulnerability/AZL-27759 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2023:2871-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-2430 · Vendor Advisory