CVE-2022-2586

State: Published
Severity: 5.3 Medium
Published: Jan 8, 2024
Updated: Oct 14, 2026
Reserved: Jul 29, 2022

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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H	canonical

Weaknesses

CWE-416

Affected Products

Product	Versions
linuxThe Linux Kernel Organization	3.16 to before 4.14.316Affected 4.15 to before 4.19.256Affected 4.20 to before 5.4.211Affected 5.5 to before 5.10.137Affected 5.11 to before 5.15.61Affected 5.16 to before 5.18.18Affected 5.19 to before 5.19.2Affected

References

https://ubuntu.com/security/notices/USN-5564-1third-party-advisory
https://ubuntu.com/security/notices/USN-5560-2third-party-advisory
https://ubuntu.com/security/notices/USN-5582-1third-party-advisory
https://ubuntu.com/security/notices/USN-5567-1third-party-advisory
https://ubuntu.com/security/notices/USN-5560-1third-party-advisory
https://ubuntu.com/security/notices/USN-5566-1third-party-advisory
https://www.openwall.com/lists/oss-security/2022/08/09/5issue-tracking
https://ubuntu.com/security/notices/USN-5565-1third-party-advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1118/issue-tracking
https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#tissue-tracking
https://ubuntu.com/security/notices/USN-5562-1third-party-advisory
https://ubuntu.com/security/notices/USN-5557-1third-party-advisory
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586issue-tracking
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586government-resource
https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586
https://cert-portal.siemens.com/productcert/html/ssa-794697.html
https://cert-portal.siemens.com/productcert/html/ssa-806742.html

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