Use After Free Affecting kernel-uek-core package, versions <0:5.15.0-2.52.3.el8uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    Exploit Maturity
    Mature
    EPSS
    1.05% (85th percentile)

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  • Snyk ID SNYK-ORACLE8-KERNELUEKCORE-3031520
  • published 22 Sep 2022
  • disclosed 8 Jan 2024

How to fix?

Upgrade Oracle:8 kernel-uek-core to version 0:5.15.0-2.52.3.el8uek or higher.
This issue was patched in ELSA-2022-9827.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-core package and not the kernel-uek-core package as distributed by Oracle. See How to fix? for Oracle:8 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.

CVSS Scores

version 3.1
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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
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SUSE

6.7 medium
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Red Hat

6.7 medium