Vulnerability Description
A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared directory and use it to r/w access host devices.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | >= 5.0.0, <= 5.2.50 |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1915823Issue TrackingPatchThird Party Advisory
- https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2cPatchThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.htmlExploitMailing ListPatch
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210312-0002/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/01/22/1ExploitMailing ListPatch
- https://bugzilla.redhat.com/show_bug.cgi?id=1915823Issue TrackingPatchThird Party Advisory
- https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2cPatchThird Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.htmlExploitMailing ListPatch
- https://security.gentoo.org/glsa/202208-27Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210312-0002/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/01/22/1ExploitMailing ListPatch
FAQ
What is CVE-2020-35517?
CVE-2020-35517 is a vulnerability with a CVSS score of 8.2 (HIGH). A flaw was found in qemu. A host privilege escalation issue was found in the virtio-fs shared file system daemon where a privileged guest user is able to create a device special file in the shared dir...
How severe is CVE-2020-35517?
CVE-2020-35517 has been rated HIGH with a CVSS base score of 8.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-35517?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu.