Improper Cross-boundary Removal of Sensitive Data Affecting kernel-debug-uki-virt package, versions <0:5.14.0-284.30.0.1.el9_2


Severity

Recommended
high

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-ORACLE9-KERNELDEBUGUKIVIRT-5903751
  • published 16 Sep 2023
  • disclosed 27 Mar 2023

How to fix?

Upgrade Oracle:9 kernel-debug-uki-virt to version 0:5.14.0-284.30.0.1.el9_2 or higher.
This issue was patched in ELSA-2023-5069.

NVD Description

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

A flaw that boot CPU could be vulnerable for the speculative execution behavior kind of attacks in the Linux kernel X86 CPU Power management options functionality was found in the way user resuming CPU from suspend-to-RAM. A local user could use this flaw to potentially get unauthorized access to some memory of the CPU similar to the speculative execution behavior kind of attacks.

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

4.8 medium
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Red Hat

5.5 medium