Vulnerability Description
A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service or potential code execution with the privileges of the QEMU process.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 6.0.0 |
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=1909996Issue TrackingThird 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 ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2021/04/16/3Mailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1909996Issue TrackingThird 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 ListThird Party Advisory
FAQ
What is CVE-2020-35506?
CVE-2020-35506 is a vulnerability with a CVSS score of 6.7 (MEDIUM). A use-after-free vulnerability was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0 during the handling of the 'Information Transfer' command (CMD_TI). This flaw ...
How severe is CVE-2020-35506?
CVE-2020-35506 has been rated MEDIUM with a CVSS base score of 6.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-35506?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.