Improper Privilege Management Affecting qemu-img package, versions <15:4.2.0-34.module+el8.3.0+9903+ca3e42fb.4
Threat Intelligence
EPSS
0.05% (23rd
percentile)
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Test your applications- Snyk ID SNYK-CENTOS8-QEMUIMG-2090561
- published 26 Jul 2021
- disclosed 21 Jan 2021
Introduced: 21 Jan 2021
CVE-2020-35517 Open this link in a new tabHow to fix?
Upgrade Centos:8 qemu-img to version 15:4.2.0-34.module+el8.3.0+9903+ca3e42fb.4 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream qemu-img package and not the qemu-img package as distributed by Centos.
See How to fix? for Centos:8 relevant fixed versions and status.
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://security.gentoo.org/glsa/202208-27
- https://access.redhat.com/errata/RHBA-2021:0639
- https://virtio-fs.gitlab.io/
CVSS Scores
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