CVE-2022-2586

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-2586
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.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.0 / Impact : 4.2

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586 Third Party Advisory
https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t Mailing List Patch
https://ubuntu.com/security/notices/USN-5557-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5560-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5560-2 Third Party Advisory
https://ubuntu.com/security/notices/USN-5562-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5564-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5565-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5566-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5567-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5582-1 Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/08/09/5 Mailing List
https://www.zerodayinitiative.com/advisories/ZDI-22-1118/ Third Party Advisory VDB Entry
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586 Third Party Advisory
https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t Mailing List Patch
https://ubuntu.com/security/notices/USN-5557-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5560-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5560-2 Third Party Advisory
https://ubuntu.com/security/notices/USN-5562-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5564-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5565-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5566-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5567-1 Third Party Advisory
https://ubuntu.com/security/notices/USN-5582-1 Third Party Advisory
https://www.openwall.com/lists/oss-security/2022/08/09/5 Mailing List
https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586 Exploit Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1118/ Third Party Advisory VDB Entry
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.0:-:*:*:*:*:*:*

Configuration 2 (hide)

OR 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:*:*:*
History

21 Oct 2025, 23:15

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586 -

21 Oct 2025, 20:19

Type Values Removed Values Added
References
  • {'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586', 'source': '134c704f-9b21-4f2e-91b3-4a467353bcc0'}

21 Oct 2025, 19:19

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586 -

19 Feb 2025, 19:47

Type Values Removed Values Added
References () https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586 - () https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586 - Exploit, Third Party Advisory
CPE cpe:2.3:o:linux:linux_kernel:6.0:-:*:*:*:*:*:*

21 Nov 2024, 07:01

Type Values Removed Values Added
References
  • () https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586 -
References () https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586 - Third Party Advisory () https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586 - Third Party Advisory
References () https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t - Mailing List, Patch () https://lore.kernel.org/netfilter-devel/20220809170148.164591-1-cascardo@canonical.com/T/#t - Mailing List, Patch
References () https://ubuntu.com/security/notices/USN-5557-1 - Third Party Advisory () https://ubuntu.com/security/notices/USN-5557-1 - Third Party Advisory
References () https://ubuntu.com/security/notices/USN-5560-1 - Third Party Advisory () https://ubuntu.com/security/notices/USN-5560-1 - Third Party Advisory
References () https://ubuntu.com/security/notices/USN-5560-2 - Third Party Advisory () https://ubuntu.com/security/notices/USN-5560-2 - Third Party Advisory
References () https://ubuntu.com/security/notices/USN-5562-1 - Third Party Advisory () https://ubuntu.com/security/notices/USN-5562-1 - Third Party Advisory
References () https://ubuntu.com/security/notices/USN-5564-1 - Third Party Advisory () https://ubuntu.com/security/notices/USN-5564-1 - Third Party Advisory
References () https://ubuntu.com/security/notices/USN-5565-1 - Third Party Advisory () https://ubuntu.com/security/notices/USN-5565-1 - Third Party Advisory
References () https://ubuntu.com/security/notices/USN-5566-1 - Third Party Advisory () https://ubuntu.com/security/notices/USN-5566-1 - Third Party Advisory
References () https://ubuntu.com/security/notices/USN-5567-1 - Third Party Advisory () https://ubuntu.com/security/notices/USN-5567-1 - Third Party Advisory
References () https://ubuntu.com/security/notices/USN-5582-1 - Third Party Advisory () https://ubuntu.com/security/notices/USN-5582-1 - Third Party Advisory
References () https://www.openwall.com/lists/oss-security/2022/08/09/5 - Mailing List () https://www.openwall.com/lists/oss-security/2022/08/09/5 - Mailing List
References () https://www.zerodayinitiative.com/advisories/ZDI-22-1118/ - Third Party Advisory, VDB Entry () https://www.zerodayinitiative.com/advisories/ZDI-22-1118/ - Third Party Advisory, VDB Entry
CVSS v2 : unknown
v3 : 7.8 		v2 : unknown
v3 : 5.3

27 Jun 2024, 01:00

Type Values Removed Values Added
New CVE
Information

Published : 2024-01-08 18:15

Updated : 2025-10-21 23:15

NVD link : CVE-2022-2586

Mitre link : CVE-2022-2586

CVE.ORG link : CVE-2022-2586

JSON object : View

Products Affected

canonical

  • ubuntu_linux

linux

  • linux_kernel
CWE
CWE-416

Use After Free