CVE-2022-4144

Description

An out-of-bounds read flaw was found in the QXL display device emulation in QEMU. The qxl_phys2virt() function does not check the size of the structure pointed to by the guest physical address, potentially reading past the end of the bar space into adjacent pages. A malicious guest user could use this flaw to crash the QEMU process on the host causing a denial of service condition.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org
Affected: n/a QEMU (QXL device)
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=2148506 issue tracking third party advisory patch
https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg04143.html mailing list third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F3J632SLFRK/ vendor advisory
https://security.netapp.com/advisory/ntap-20230127-0012/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-4144?
CVE-2022-4144 has been scored as a medium severity vulnerability.
How to fix CVE-2022-4144?
To fix CVE-2022-4144, 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-2022-4144 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-4144 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-2022-4144?
CVE-2022-4144 affects n/a QEMU (QXL device).
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