Description
A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. 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 DoS scenario.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a QEMU
versions up to and including 5.2.0affected
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1932827 ↗
- https://www.openwall.com/lists/oss-security/2021/02/26/1 ↗
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html ↗
- https://security.netapp.com/advisory/ntap-20210507-0002/ ↗
- https://security.gentoo.org/glsa/202208-27 ↗
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html ↗