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Use After Free Affecting kernel-devel package, versions <0:5.14.0-162.6.1.el9_1

Severity

 Recommended
medium

Based on AlmaLinux security rating

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    0.68% (81st percentile)

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  • Snyk ID SNYK-ALMALINUX9-KERNELDEVEL-5646639
  • published 28 May 2023
  • disclosed 15 Nov 2022
Report a new vulnerability Found a mistake?

Introduced: 15 Nov 2022

CVE-2022-2586 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 kernel-devel to version 0:5.14.0-162.6.1.el9_1 or higher.
This issue was patched in ALSA-2022:8267.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-devel package and not the kernel-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

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.

References

CVSS Scores

version 3.1
Expand this section

NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

SUSE

6.7 medium
Expand this section

Red Hat

6.7 medium