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CVE-2022-2586

Linux Kernel Use-After-Free Vulnerability

Linux KernelOperating systems
Open in ThreatlineRecord JSON
CVSS
5.3Medium
ExploitationExploited in the wildAdded to KEV 26 Jun 2024CISA KEV
Exploit odds (EPSS)10.2%Chance of exploitation activity in the next 30 days, higher than 95% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in4.14.316Also 4.19.256, 5.4.211 and 4 moreCVE List
Federal deadline17 Jul 2024Remediation due date for US federal agenciesCISA KEV
CISA required actionApply updates per vendor instructions or discontinue use of the product if updates are unavailable. CISA KEV

What fixes it

Show all 7 fixed versions

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

Timeline

  1. 8 Jan 2024, 17:46 UTCPublishedCVE List
  2. 26 Jun 2024Added to CISA KEVCISA KEV

Description

Linux Kernel contains a use-after-free vulnerability in the nft_object, allowing local attackers to escalate privileges.

Text from CVE List

Affected versions 7

  • linuxaffected: 3.16 before 4.14.316CVE List
  • linuxaffected: 4.15 before 4.19.256CVE List
  • linuxaffected: 4.20 before 5.4.211CVE List
  • linuxaffected: 5.5 before 5.10.137CVE List
  • linuxaffected: 5.11 before 5.15.61CVE List
  • linuxaffected: 5.16 before 5.18.18CVE List
  • linuxaffected: 5.19 before 5.19.2CVE List

References 18