Vulnerability Description
The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation code. This flaw allows a malicious privileged guest to crash the QEMU process on the host, resulting in a denial of service or potential code execution. QEMU up to (including) 5.2.0 is affected by this.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | <= 5.2.0 |
| Redhat | Enterprise Linux | 7.0 |
| Fedoraproject | Fedora | 33 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1928146Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.htmlThird Party Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0001/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/03/09/1Mailing ListPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1928146Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00009.htmlThird Party Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210507-0001/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/03/09/1Mailing ListPatchThird Party Advisory
FAQ
What is CVE-2021-3409?
CVE-2021-3409 is a vulnerability with a CVSS score of 5.7 (MEDIUM). The patch for CVE-2020-17380/CVE-2020-25085 was found to be ineffective, thus making QEMU vulnerable to the out-of-bounds read/write access issues previously found in the SDHCI controller emulation co...
How severe is CVE-2021-3409?
CVE-2021-3409 has been rated MEDIUM with a CVSS base score of 5.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3409?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Redhat Enterprise Linux, Fedoraproject Fedora, Debian Debian Linux.