An out-of-bounds access issue was found in the ati-vga emulator of the QEMU. It could occur when the source and destination x,y display parameters in ati_2d_blt() have invalid values. A guest user/process may use this flaw to crash the QEMU process resulting in DoS scenario. Upstream patch: --------------- -> https://lists.nongnu.org/archive/html/qemu-devel/2020-10/msg06080.html
Acknowledgments: Name: Gaoning Pan (Zhejiang University)
Created qemu tracking bugs for this issue: Affects: fedora-all [bug 1894037]
External References: https://www.openwall.com/lists/oss-security/2020/11/03/2
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2020-27616