low3.2
CVE-2021-3392
A use-after-free flaw was found in the MegaRAID emulator of QEMU.
Impact
A use-after-free flaw was found in the MegaRAID emulator of QEMU. This issue occurs while processing SCSI I/O requests in the case of an error mptsas_free_request() that does not dequeue the request object 'req' from a pending requests queue. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. Versions between 2.10.0 and 5.2.0 are potentially affected.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Qemu | Qemu | from 2.10.0 through 5.2.0 |
| Fedoraproject | Fedora | Version 33 |
| Debian | Debian Linux | Versions 9.0, 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://bugs.launchpad.net/qemu/+bug/1914236
- https://bugzilla.redhat.com/show_bug.cgi?id=1924042
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.netapp.com/advisory/ntap-20210507-0001/
- https://bugs.launchpad.net/qemu/+bug/1914236
- https://bugzilla.redhat.com/show_bug.cgi?id=1924042
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html
- https://security.netapp.com/advisory/ntap-20210507-0001/