Vulnerability Report

CVE-2022-2586

CISA KEV Active

Title: Linux Linux Kernel Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2022-2586.

CWE Category CWE-416
Published Date Jan 08, 2024
Modified Date Oct 28, 2025
Exploit Status Not Found
Score 5.3 CVSS v3.1
Exploit Probability (EPSS)
10.46%

Vulnerability Summary

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.

Impacted Vendors

L
linux 1
U
ubuntu 2
C
canonical 1

Reference Links

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586 https://lore.kernel.org/netfilter-devel/[email protected]/T/#t https://ubuntu.com/security/notices/USN-5557-1 https://ubuntu.com/security/notices/USN-5560-1 https://ubuntu.com/security/notices/USN-5560-2 https://ubuntu.com/security/notices/USN-5562-1 https://ubuntu.com/security/notices/USN-5564-1 https://ubuntu.com/security/notices/USN-5565-1 https://ubuntu.com/security/notices/USN-5566-1 https://ubuntu.com/security/notices/USN-5567-1 https://ubuntu.com/security/notices/USN-5582-1 https://www.openwall.com/lists/oss-security/2022/08/09/5 https://www.zerodayinitiative.com/advisories/ZDI-22-1118/ https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-2586 https://lore.kernel.org/netfilter-devel/[email protected]/T/#t https://ubuntu.com/security/notices/USN-5557-1 https://ubuntu.com/security/notices/USN-5560-1 https://ubuntu.com/security/notices/USN-5560-2 https://ubuntu.com/security/notices/USN-5562-1 https://ubuntu.com/security/notices/USN-5564-1 https://ubuntu.com/security/notices/USN-5565-1 https://ubuntu.com/security/notices/USN-5566-1 https://ubuntu.com/security/notices/USN-5567-1 https://ubuntu.com/security/notices/USN-5582-1 https://www.openwall.com/lists/oss-security/2022/08/09/5 https://www.vicarius.io/vsociety/posts/use-after-free-vulnerability-linked-chain-between-nft-tables-cve-2022-2586 https://www.zerodayinitiative.com/advisories/ZDI-22-1118/ https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-2586
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.3
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2022-2586 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

Affected Stack

No specific products linked.