CVE-2019-20934

Description

An issue was discovered in the Linux kernel before 5.2.6. On NUMA systems, the Linux fair scheduler has a use-after-free in show_numa_stats() because NUMA fault statistics are inappropriately freed, aka CID-16d51a590a8c.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.02%
Vendor Advisory chromium.org Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2.6 vendor advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=16d51a590a8ce3befb1308e0e7ab77f3b661af33 patch vendor advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=1913 vendor advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2019-20934?
CVE-2019-20934 has been scored as a medium severity vulnerability.
How to fix CVE-2019-20934?
To fix CVE-2019-20934, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-20934 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-20934 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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