Race Condition Affecting kernel-uek-debug-devel package, versions <0:4.1.12-124.43.4.el7uek


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
3.06% (92nd percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELUEKDEBUGDEVEL-2543981
  • published10 Apr 2022
  • disclosed15 Feb 2019

Introduced: 15 Feb 2019

CVE-2019-6974  (opens in a new tab)
CWE-362  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-uek-debug-devel to version 0:4.1.12-124.43.4.el7uek or higher.
This issue was patched in ELSA-2020-5866.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug-devel package and not the kernel-uek-debug-devel package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

In the Linux kernel before 4.20.8, kvm_ioctl_create_device in virt/kvm/kvm_main.c mishandles reference counting because of a race condition, leading to a use-after-free.

References

CVSS Scores

version 3.1