CVE-2020-12768

Description

An issue was discovered in the Linux kernel before 5.6. svm_cpu_uninit in arch/x86/kvm/svm.c has a memory leak, aka CID-d80b64ff297e. NOTE: third parties dispute this issue because it's a one-time leak at the boot, the size is negligible, and it can't be triggered at will

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=d80b64ff297e40c2b6f7d7abc1b3eba70d22a068 mailing list patch vendor advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6 mailing list patch vendor advisory
https://bugzilla.suse.com/show_bug.cgi?id=1171736#c3 issue tracking third party advisory
https://www.debian.org/security/2020/dsa-4699 third party advisory vendor advisory
https://usn.ubuntu.com/4413-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4411-1/ third party advisory vendor advisory
https://usn.ubuntu.com/4412-1/ third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-12768?
CVE-2020-12768 has been scored as a medium severity vulnerability.
How to fix CVE-2020-12768?
To fix CVE-2020-12768, 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-2020-12768 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-12768 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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