Race Condition Affecting kernel-64k-debug package, versions <0:5.14.0-284.11.1.el9_2


Severity

Recommended
0.0
high
0
10

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-ALMALINUX9-KERNEL64KDEBUG-5642856
  • published 28 May 2023
  • disclosed 9 May 2023

How to fix?

Upgrade AlmaLinux:9 kernel-64k-debug to version 0:5.14.0-284.11.1.el9_2 or higher.
This issue was patched in ALSA-2023:2458.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-64k-debug package and not the kernel-64k-debug package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-112551163References: Upstream kernel

CVSS Scores

version 3.1
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NVD

7 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    High
  • 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

7 high
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Red Hat

7 high