CVE-2022-23091

Memory disclosure by stale virtual memory mapping

Description

A particular case of memory sharing is mishandled in the virtual memory system. This is very similar to SA-21:08.vm, but with a different root cause. An unprivileged local user process can maintain a mapping of a page after it is freed, allowing that process to read private data belonging to other processes or the kernel.

Category

4.0
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory freebsd.org
Affected: FreeBSD FreeBSD
Published at:
Updated at:

References

Link Tags
https://security.freebsd.org/advisories/FreeBSD-SA-22:11.vm.asc vendor advisory
https://security.netapp.com/advisory/ntap-20240415-0008/

Frequently Asked Questions

What is the severity of CVE-2022-23091?
CVE-2022-23091 has been scored as a medium severity vulnerability.
How to fix CVE-2022-23091?
To fix CVE-2022-23091, 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-2022-23091 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-23091 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-2022-23091?
CVE-2022-23091 affects FreeBSD FreeBSD.
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