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CVE-2021-3392 A use-after-free flaw was found in the MegaRAID emulator of QEMU
Description
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| QEMU | Versions not published |
References
- bugzilla.redhat.com bugzilla.redhat.com
- bugs.launchpad.net bugs.launchpad.net
- [debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update lists.debian.org
- security.netapp.com security.netapp.com
- [debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update lists.debian.org
Timeline
- Published
- Last modified
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