PT-2023-5511 · Linux+6 · Linux Kernel+6

Kyle Zeng · Published 2023-09-20 · Updated 2024-12-19 · CVE-2023-42756

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Medium

Base vector

AV:L/AC:L/PR:H/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 flaw was found in the Netfilter subsystem of the Linux kernel. A race condition between IPSET CMD ADD and IPSET CMD SWAP can lead to a kernel panic due to the invocation of ip set put on a wrong set. This issue may allow a local user to crash the system.

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

Exploit

DoS

Race Condition

Weakness Enumeration

CWE-362

Related Identifiers

ALSA-2024:2394

ALT-PU-2023-7004

ALT-PU-2023-7787

ALT-PU-2023-7838

ALT-PU-2023-8395

ALT-PU-2024-14046

ALT-PU-2024-6818

AZL-30055

BDU:2023-06159

CVE-2023-42756

DLA-3623-1

INFSA-2024_2394

MGASA-2023-0295

MGASA-2023-0296

OPENSUSE-SU-2024:13305-1

OPENSUSE-SU-2024:13704-1

RHSA-2024:2394

RHSA-2024_2394

USN-6441-1

USN-6441-2

USN-6441-3

USN-6442-1

USN-6443-1

USN-6444-1

USN-6444-2

USN-6445-1

USN-6445-2

USN-6446-1

USN-6446-2

USN-6446-3

USN-6454-1

USN-6454-2

USN-6454-3

USN-6454-4

USN-6466-1

USN-6479-1

Affected Products

Alt Linux

Almalinux

Linuxmint

Linux Kernel

Red Hat

Red Os

Ubuntu

References · 447

• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=2239848 · Exploit
• 🔥 https://seclists.org/oss-sec/2023/q3/242 · Exploit
• https://ubuntu.com/security/CVE-2023-4273 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-45887 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-4921 · Vendor Advisory
• https://errata.almalinux.org/9/ALSA-2024-2394.html · Vendor Advisory
• https://osv.dev/vulnerability/USN-6445-1 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-3623-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:13305-1 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2023-0296 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-4155 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-3338 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-4244 · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2024:2394 · Vendor Advisory
• https://osv.dev/vulnerability/USN-6441-3 · Vendor Advisory