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Memory Leak Affecting kernel-rt-debug-modules package, versions <0:5.14.0-162.6.1.rt21.168.el9_1

Severity

 Recommended
0.0
medium
0
10

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-ALMALINUX9-KERNELRTDEBUGMODULES-5655462
  • published 28 May 2023
  • disclosed 15 Nov 2022
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Introduced: 15 Nov 2022

CVE-2022-0854 Open this link in a new tab
CWE-401 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 kernel-rt-debug-modules to version 0:5.14.0-162.6.1.rt21.168.el9_1 or higher.
This issue was patched in ALSA-2022:7933.

NVD Description

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

A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.

CVSS Scores

version 3.1
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NVD

5.5 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
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SUSE

5.5 medium
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Red Hat

5.5 medium