Race Condition Affecting kernel-debug-modules package, versions <0:4.18.0-193.13.2.el8_2


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.05% (22nd percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELDEBUGMODULES-2556962
  • published10 Apr 2022
  • disclosed31 Jan 2020

Introduced: 31 Jan 2020

CVE-2019-3016  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-debug-modules to version 0:4.18.0-193.13.2.el8_2 or higher.
This issue was patched in ELSA-2020-3010.

NVD Description

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

In a Linux KVM guest that has PV TLB enabled, a process in the guest kernel may be able to read memory locations from another process in the same guest. This problem is limit to the host running linux kernel 4.10 with a guest running linux kernel 4.16 or later. The problem mainly affects AMD processors but Intel CPUs cannot be ruled out.

CVSS Scores

version 3.1