Vulnerability Description
A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMA_REG_DSRHIGH" write from the guest and may result in a crash of QEMU or cause undefined behavior due to the access of an uninitialized pointer. The highest threat from this vulnerability is to system availability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 6.1.0 |
| Debian | Debian Linux | 10.0 |
| Fedoraproject | Fedora | 34 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1973383Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2021-06/msg07926.htmlMailing ListPatchThird Party Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220318-0002/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1973383Issue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing ListThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2021-06/msg07926.htmlMailing ListPatchThird Party Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20220318-0002/Third Party Advisory
FAQ
What is CVE-2021-3608?
CVE-2021-3608 is a vulnerability with a CVSS score of 6.0 (MEDIUM). A flaw was found in the QEMU implementation of VMWare's paravirtual RDMA device in versions prior to 6.1.0. The issue occurs while handling a "PVRDMA_REG_DSRHIGH" write from the guest and may result i...
How severe is CVE-2021-3608?
CVE-2021-3608 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3608?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux, Fedoraproject Fedora.