🛡️ CVE-2022-2586 — linux-kernel
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.
How this vulnerability can be exploited
This issue can be reached with local access to the system, attack complexity is high, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability high.
Weakness class
CVE-2022-2586 is classified as CWE-416: Use After Free. Memory is used after being released, so its contents may already belong to something else.
Affected software
CVE-2022-2586 is recorded against 2 packages.
- linux-kernel
- ubuntu-linux
Timeline and source
Published on 8 January 2024 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.
References
cve.mitre.org
lore.kernel.org
ubuntu.com
ubuntu.com
ubuntu.com
ubuntu.com
ubuntu.com
ubuntu.com
ubuntu.com
ubuntu.com
ubuntu.com
www.openwall.com
www.zerodayinitiative.com
cve.mitre.org
lore.kernel.org
CVE-2022-2586 on other distributions
Each distribution ships its own build and its own fixed version. Pick the one you run:
Details
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| linux-kernel | — | — |
| ubuntu-linux | — | — |
References
Similar Threats
- High CVE-2022-0400
- Medium CVE-2022-0480
- Medium CVE-2022-0168
- Medium CVE-2022-0171
- Medium CVE-2022-0322
More CVE 2022 advisories
Browse all of CVE 2022 in the advisory index.
Exploit Protection
Are you running linux-kernel?
CVE-2022-2586 carries CVSS 5.3 Medium rating and a public exploit already exists. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.
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