medium6.0
CVE-2021-3416
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.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Qemu | Qemu | through 5.2.0 |
| Fedoraproject | Fedora | Version 33 |
| Redhat | Enterprise Linux | Versions 6.0, 7.0, 8.0 |
| Debian | Debian Linux | Versions 9.0, 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugzilla.redhat.com/show_bug.cgi?id=1932827
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.gentoo.org/glsa/202208-27
- https://security.netapp.com/advisory/ntap-20210507-0002/
- https://www.openwall.com/lists/oss-security/2021/02/26/1
- https://bugzilla.redhat.com/show_bug.cgi?id=1932827
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.gentoo.org/glsa/202208-27
- https://security.netapp.com/advisory/ntap-20210507-0002/
- https://www.openwall.com/lists/oss-security/2021/02/26/1