Vulnerability Description
A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 6.0.0 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/04/16/3Mailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1909769Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210713-0006/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/04/16/3Mailing ListPatchThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/16/3Mailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1909769Issue TrackingPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/09/msg00008.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210713-0006/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/04/16/3Mailing ListPatchThird Party Advisory
FAQ
What is CVE-2020-35505?
CVE-2020-35505 is a vulnerability with a CVSS score of 4.4 (MEDIUM). A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. This fl...
How severe is CVE-2020-35505?
CVE-2020-35505 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-35505?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Debian Debian Linux.