medium6.5
CVE-2022-4144
An out-of-bounds read flaw was found in the QXL display device emulation in QEMU.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Qemu | Qemu | through 7.1.0 |
| Fedoraproject | Extra Packages For Enterprise Linux | Version 8.0 |
| Fedoraproject | Fedora | Version 37 |
| Redhat | Enterprise Linux | Version 8.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.redhat.com/show_bug.cgi?id=2148506
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F3J632SLFRK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
- https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg04143.html
- https://security.netapp.com/advisory/ntap-20230127-0012/
- https://bugzilla.redhat.com/show_bug.cgi?id=2148506
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GTVPHLLXJ65BUMFBUUZ35F3J632SLFRK/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7J5IRXJYLELW7D43A75LOWRUE5EU54O/
- https://lists.nongnu.org/archive/html/qemu-devel/2022-11/msg04143.html
- https://security.netapp.com/advisory/ntap-20230127-0012/