CVE-2022-4144

Name
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.
NVD Severity
medium
Other trackers
Mailing lists
Exploits
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
MISC https://bugzilla.redhat.com/show_bug.cgi?id=2148506
MISC https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg04143.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:* qemu >= None <= 7.1.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
qemu 3.17-community 7.1.0-r7 Natanael Copa <ncopa@alpinelinux.org> possibly vulnerable