Improper Cross-boundary Removal of Sensitive Data Affecting kernel-cross-headers package, versions <0:4.18.0-372.32.1.el8_6


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.05% (16th percentile)

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  • Snyk ID SNYK-RHEL8-KERNELCROSSHEADERS-4317153
  • published 15 Apr 2022
  • disclosed 21 Mar 2022

How to fix?

Upgrade RHEL:8 kernel-cross-headers to version 0:4.18.0-372.32.1.el8_6 or higher.
This issue was patched in RHSA-2022:7110.

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 RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A vulnerability was found in the pfkey_register function in net/key/af_key.c in the Linux kernel. This flaw allows a local, unprivileged user to gain access to kernel memory, leading to a system crash or a leak of internal kernel information.

CVSS Scores

version 3.1
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NVD

7.1 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)
    None
  • Availability (A)
    High
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Red Hat

7.1 high
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SUSE

6.1 medium