PT-2025-26139 · Linux+4 · Linux Kernel+4

Published 2022-11-08 · Updated 2026-05-26 · CVE-2022-50213

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description A potential use-after-free issue exists in the Linux kernel due to the netfilter: nf tables allowing SET ID to refer to another table. When doing lookups for sets on the same batch by using its ID, a set from a different table can be used. If the table is removed, a reference to the set may be kept after the set is freed. To fix this, the kernel now uses the table that was used for the lookup by name and only returns sets belonging to that same table.

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

Exploit

DoS

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CESA-2022_7683

CVE-2022-50213

RHSA-2022:7683

RHSA-2022:8267

RHSA-2022_7683

RHSA-2022_8267

RHSA-2024:0724

RHSA-2024:3421

SUSE-SU-2025:02264-1

SUSE-SU-2025:02308-1

SUSE-SU-2025:02320-1

SUSE-SU-2025:02321-1

SUSE-SU-2025:02322-1

SUSE-SU-2025:02334-1

SUSE-SU-2025:02537-1

SUSE-SU-2025:2264-1

SUSE-SU-2025_02264-1

SUSE-SU-2025_02308-1

SUSE-SU-2025_02334-1

SUSE-SU-2025_02537-1

Affected Products

Astra Linux

Centos

Linux Kernel

Red Hat

Suse

References · 739

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50213.json · Exploit
• https://osv.dev/vulnerability/CVE-2022-50213 · Vendor Advisory
• https://git.kernel.org/stable/c/faafd9286f1355c76fe9ac3021c280297213330e · Patch
• https://security-tracker.debian.org/tracker/CVE-2022-50213 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02322-1 · Vendor Advisory
• https://git.kernel.org/stable/c/77d3b5038b7462318f5183e2ad704b01d57215a2 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02308-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:02264-1 · Vendor Advisory
• https://git.kernel.org/stable/c/0d07039397527361850c554c192e749cfc879ea9 · Patch
• https://osv.dev/vulnerability/SUSE-SU-2025:02321-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50213 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:02537-1 · Vendor Advisory
• https://git.kernel.org/stable/c/1a4b18b1ff11ba26f9a852019d674fde9d1d1cff · Patch
• https://ubuntu.com/security/CVE-2022-50213 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50213 · Security Note