Medium severity · published May 19, 2020
CVE-2020-2024
An improper link resolution vulnerability affects Kata Containers versions prior to 1.11.0
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
An improper link resolution vulnerability affects Kata Containers versions prior to 1.11.0. Upon container teardown, a malicious guest can trick the kata-runtime into unmounting any mount point on the host and all mount points underneath it, potentiality resulting in a host DoS.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RU
Runtime · Katacontainers
before 1.11.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-2024
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-2024
Third Party Advisory
https://github.com/kata-containers/runtime/issues/2474
Patch
https://github.com/kata-containers/runtime/pull/2475
More from Runtime
8.8
CVE-2020-2026
A malicious guest compromised before a container creation (e.g
8.8
CVE-2020-2025
Kata Containers before 1.11.0 on Cloud Hypervisor persists guest filesystem changes to the underlying image file on the host
6.3
CVE-2020-2023
Kata Containers doesn't restrict containers from accessing the guest's root filesystem device