CVE-2021-3736

Description

A flaw was found in the Linux kernel. A memory leak problem was found in mbochs_ioctl in samples/vfio-mdev/mbochs.c in Virtual Function I/O (VFIO) Mediated devices. This flaw could allow a local attacker to leak internal kernel information.

Categories

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Third-Party Advisory redhat.com Third-Party Advisory redhat.com Third-Party Advisory github.com
Affected: n/a kernel
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1995570 third party advisory issue tracking
https://access.redhat.com/security/cve/CVE-2021-3736 third party advisory
https://github.com/torvalds/linux/commit/de5494af4815a4c9328536c72741229b7de88e7f third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-3736?
CVE-2021-3736 has been scored as a medium severity vulnerability.
How to fix CVE-2021-3736?
To fix CVE-2021-3736, 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-2021-3736 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-3736 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.
What software or system is affected by CVE-2021-3736?
CVE-2021-3736 affects n/a kernel.
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