CVEvulnerability

CVE-2022-2586

7.8 HIGH Known exploited Published 2024-01-08 Modified 2026-10-14 Official page ↗

CISA Known Exploited Vulnerability

Linux Kernel Use-After-Free Vulnerability — Linux Kernel

Linux Kernel contains a use-after-free vulnerability in the nft_object, allowing local attackers to escalate privileges.

Added to KEV
2024-06-26
Remediation due
2024-07-17
Ransomware use
Unknown
Required action
Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.
Notes
This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. For more information, please see: https://seclists.org/oss-sec/2022/q3/131; https://nvd.nist.gov/vuln/detail/CVE-2022-2586
Status
Analyzed
Published
2024-01-08
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.3 MEDIUM — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-416

Description

It was discovered that a nft object or expression could reference a nft set on a different nft table, leading to a use-after-free once that table was deleted.

Affected configurations

• siemens simatic s7-1500 tm mfp firmware (< 1.1) • siemens sinec os (< 2.4) • linux linux kernel (>= 3.16 < 4.14.316) • linux linux kernel (>= 4.15 < 4.19.256) • linux linux kernel (>= 4.20 < 5.4.211) • linux linux kernel (>= 5.5 < 5.10.137) • linux linux kernel (>= 5.11 < 5.15.61) • linux linux kernel (>= 5.16 < 5.18.18) • linux linux kernel (>= 5.19 < 5.19.2) • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • canonical ubuntu linux 20.04 • canonical ubuntu linux 22.04

Related

Weakness · CWE (1)

References