CVE-2021-3416 log

Source
Severity Low
Remote No
Type Denial of service
Description
A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in a denial of service (DoS) scenario.
Group Package Affected Fixed Severity Status Ticket
AVG-1308 qemu 5.2.0-4 6.0.0-1 Medium Fixed
References
https://bugzilla.redhat.com/show_bug.cgi?id=1932827
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=05df5466c98f3efdd2b68d3b31dad86858acad7
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=1caff0340f49c93d535c6558a5138d20d475315c
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=331d2ac9ea307c990dc86e6493e8f0c48d14bb33
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=26194a58f4eb83c5bdf4061a1628508084450ba1
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=8c92060d3c0248bd4d515719a35922cd2391b9b4
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=8c552542b81e56ff532dd27ec6e5328954bdda73