Improper Privilege Management The advisory has been revoked - it doesn't affect any version of package libguestfs-rescue (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-RHEL8-LIBGUESTFSRESCUE-1466146
- published26 Jul 2021
- disclosed21 Jan 2021
Introduced: 21 Jan 2021
CVE-2020-35517 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libguestfs-rescue package and not the libguestfs-rescue package as distributed by RHEL.
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.
References
- https://security.netapp.com/advisory/ntap-20210312-0002/
- https://access.redhat.com/security/cve/CVE-2020-35517
- https://bugzilla.redhat.com/show_bug.cgi?id=1915823
- https://github.com/qemu/qemu/commit/ebf101955ce8f8d72fba103b5151115a4335de2c
- https://lists.gnu.org/archive/html/qemu-devel/2021-01/msg05461.html
- https://www.openwall.com/lists/oss-security/2021/01/22/1
- https://access.redhat.com/errata/RHSA-2021:0711
- https://access.redhat.com/errata/RHBA-2021:0639
- https://virtio-fs.gitlab.io/
- https://security.gentoo.org/glsa/202208-27