CVE-2022-4144
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.
- Score
- CVSS 3.1 6.5 Medium
- Status
- Modified - secalert@redhat.com
- Published
- 2022-11-29
- Last modified
- 2025-04-14
- Weaknesses
- CWE-125
Affected products
- Extra Packages For Enterprise Linux (Fedoraproject)
- Fedora (Fedoraproject)
- Qemu (Qemu)
- Enterprise Linux (Redhat)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2148506
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F…
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LO…
- https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg04143.html
- https://security.netapp.com/advisory/ntap-20230127-0012/