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CVE-2022-2586 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586	CISA-ADP	US Government Resource
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586	CVE	Third Party Advisory
https://lore.kernel.org/netfilter-devel/[email protected]/T/#t	CVE	Mailing ListPatch
https://ubuntu.com/security/notices/USN-5557-1	CVE	Third Party Advisory
https://ubuntu.com/security/notices/USN-5560-1	CVE	Third Party Advisory
https://ubuntu.com/security/notices/USN-5560-2	CVE	Third Party Advisory
https://ubuntu.com/security/notices/USN-5562-1	CVE	Third Party Advisory
https://ubuntu.com/security/notices/USN-5564-1	CVE	Third Party Advisory
https://ubuntu.com/security/notices/USN-5565-1	CVE	Third Party Advisory
https://ubuntu.com/security/notices/USN-5566-1	CVE	Third Party Advisory
https://ubuntu.com/security/notices/USN-5567-1	CVE	Third Party Advisory
https://ubuntu.com/security/notices/USN-5582-1	CVE	Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/08/09/5	CVE	Mailing List
https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586	CVE	ExploitThird Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1118/	CVE	Third Party AdvisoryVDB Entry
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586	[email protected]	Third Party Advisory
https://lore.kernel.org/netfilter-devel/[email protected]/T/#t	[email protected]	Mailing ListPatch
https://ubuntu.com/security/notices/USN-5557-1	[email protected]	Third Party Advisory
https://ubuntu.com/security/notices/USN-5560-1	[email protected]	Third Party Advisory
https://ubuntu.com/security/notices/USN-5560-2	[email protected]	Third Party Advisory
https://ubuntu.com/security/notices/USN-5562-1	[email protected]	Third Party Advisory
https://ubuntu.com/security/notices/USN-5564-1	[email protected]	Third Party Advisory
https://ubuntu.com/security/notices/USN-5565-1	[email protected]	Third Party Advisory
https://ubuntu.com/security/notices/USN-5566-1	[email protected]	Third Party Advisory
https://ubuntu.com/security/notices/USN-5567-1	[email protected]	Third Party Advisory
https://ubuntu.com/security/notices/USN-5582-1	[email protected]	Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/08/09/5	[email protected]	Mailing List
https://www.zerodayinitiative.com/advisories/ZDI-22-1118/	[email protected]	Third Party AdvisoryVDB Entry

see all 28 references

This CVE is in CISA's Known Exploited Vulnerabilities Catalog

Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.

Vulnerability Name	Date Added	Due Date	Required Action
Linux Kernel Use-After-Free Vulnerability	Jun 26, 2024	Jul 17, 2024	Apply updates per vendor instructions or discontinue use of the product if updates are unavailable.

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-416	Use After Free	[email protected]
CWE-416	Use After Free	[email protected]

Affected Products

Product	Versions
linux linux kernel	>= 3.16, < 4.14.316 >= 4.15, < 4.19.256 >= 4.20, < 5.4.211 >= 5.5, < 5.10.137 >= 5.11, < 5.15.61
CPE cpe:2.3:o:linux:linux_kernel:::::::: Remediation No remediation found in references.
canonical ubuntu linux	14.04 16.04 18.04 20.04 22.04
CPE cpe:2.3:o:canonical:ubuntu_linux:14.04::::esm::: cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm::: cpe:2.3:o:canonical:ubuntu_linux:18.04::::esm::: cpe:2.3:o:canonical:ubuntu_linux:20.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:22.04::::lts::: Remediation No remediation found in references.

Change History

14 change records found show changes

Date	Action	Recorded By
Aug 20, 2026	CVE Modified	[email protected]
Aug 13, 2026	Modified Analysis	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 17, 2026	CVE Modified	[email protected]
Oct 28, 2025	Modified Analysis	[email protected]
Oct 21, 2025	CVE Modified	CISA-ADP
Oct 21, 2025	CVE Modified	CISA-ADP
Oct 21, 2025	CVE Modified	CISA-ADP
Feb 19, 2025	Modified Analysis	[email protected]
Nov 21, 2024	CVE Modified	CVE
Jun 27, 2024	CVE CISA KEV Update	Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government
May 14, 2024	CVE Modified	[email protected]
Jan 12, 2024	Initial Analysis	[email protected]
Jan 8, 2024	New CVE Received	[email protected]