CVE-2020-35517

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Summary:

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.

Reference Links(if available):

  • https://bugzilla.redhat.com/show_bug.cgi?id=1915823
  • https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html
  • https://www.openwall.com/lists/oss-security/2021/01/22/1
  • https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2c
  • https://security.netapp.com/advisory/ntap-20210312-0002/
  • CVSS Score (if available)

    v2: / MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

    v3: / HIGHCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

    Links to Exploits(if available)