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


Severity

Recommended
medium

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.05% (16th percentile)

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  • Snyk ID SNYK-ALMALINUX9-KERNELCROSSHEADERS-5646775
  • published 28 May 2023
  • disclosed 15 Nov 2022

How to fix?

Upgrade AlmaLinux:9 kernel-cross-headers 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-cross-headers package and not the kernel-cross-headers package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xs_xprt_free before ensuring that sockets are in the intended state.

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

6.2 medium
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Red Hat

6.6 medium