CVEvulnerability
CVE-2021-3392
3.2 LOW
Official page ↗
- Status
- Modified
- Published
- 2021-03-23
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.2 LOW — CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-416
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 configurations
• qemu qemu (>= 2.10.0 <= 5.2.0)
• fedoraproject fedora 33
• debian debian linux 9.0
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://bugs.launchpad.net/qemu/+bug/1914236 Exploit, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1924042 Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0001/ Third Party Advisory
- https://bugs.launchpad.net/qemu/+bug/1914236 Exploit, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1924042 Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0001/ Third Party Advisory