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CVE-2024-36020 Affecting kernel-debug-uki-virt package, versions <0:5.14.0-427.31.1.el9_4

Severity

 Recommended
high

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.04% (14th percentile)

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  • Snyk ID SNYK-ORACLE9-KERNELDEBUGUKIVIRT-7688512
  • published 16 Aug 2024
  • disclosed 30 May 2024
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Introduced: 30 May 2024

CVE-2024-36020 Open this link in a new tab

How to fix?

Upgrade Oracle:9 kernel-debug-uki-virt to version 0:5.14.0-427.31.1.el9_4 or higher.
This issue was patched in ELSA-2024-5363.

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.

In the Linux kernel, the following vulnerability has been resolved:

i40e: fix vf may be used uninitialized in this function warning

To fix the regression introduced by commit 52424f974bc5, which causes servers hang in very hard to reproduce conditions with resets races. Using two sources for the information is the root cause. In this function before the fix bumping v didn't mean bumping vf pointer. But the code used this variables interchangeably, so stale vf could point to different/not intended vf.

Remove redundant "v" variable and iterate via single VF pointer across whole function instead to guarantee VF pointer validity.

References

CVSS Scores

version 3.1
Expand this section

Red Hat

5.3 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
Expand this section

SUSE

4.7 medium