Race Condition Affecting kernel-uek-debug package, versions <0:2.6.39-400.326.1.el5uek


Severity

high

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-ORACLE5-KERNELUEKDEBUG-2577910
  • published 10 Apr 2022
  • disclosed 13 Sep 2020

How to fix?

Upgrade Oracle:5 kernel-uek-debug to version 0:2.6.39-400.326.1.el5uek or higher.
This issue was patched in ELSA-2020-5881.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug package and not the kernel-uek-debug package as distributed by Oracle. See How to fix? for Oracle:5 relevant fixed versions and status.

A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.

CVSS Scores

version 3.1
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Snyk

6.4 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    High
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
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NVD

6.4 medium
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SUSE

6.7 medium
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Red Hat

6.4 medium