What is CVE-2021-47112?

CVE-2021-47112 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-03-15.

How severe is CVE-2021-47112?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2021-47112 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2021-47112

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Teardown PV features on boot CPU as well Various PV features (Async PF, PV EOI, steal time) work through memory shared with hypervisor and when we restore from…

EPSS: 0.002 (14.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions fd10cde9294f73eeccbc16f3fec1ae6cde7b800c, 2.6.38, 0
Linux Linux_kernel — versions 5.13

Public proof-of-concept exploits

NaInSec/CVE-LIST

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2021-47112?: CVE-2021-47112 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-03-15.
How severe is CVE-2021-47112?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2021-47112 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.