Memory Leak Affecting kernel-tools-libs package, versions <0:4.18.0-513.5.1.el8_9


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-RHEL8-KERNELTOOLSLIBS-3262855
  • published 1 Feb 2023
  • disclosed 7 Oct 2022

How to fix?

Upgrade RHEL:8 kernel-tools-libs to version 0:4.18.0-513.5.1.el8_9 or higher.
This issue was patched in RHSA-2023:7077.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs package and not the kernel-tools-libs package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.

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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Red Hat

7 high
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SUSE

5.5 medium