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CVE-2020-2026

Kata Containers - Guests can trick the kata-runtime into mounting the container image on any host path

HIGH
8.8
CVSS Score
Published: June 10, 2020 at 05:27 PM UTC
Updated: June 17, 2026 at 03:11 AM UTC
2 products affected across 2 vendorsFedoraRuntime

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%

Description

A malicious guest compromised before a container creation (e.g. a malicious guest image or a guest running multiple containers) can trick the kata runtime into mounting the untrusted container filesystem on any host path, potentially allowing for code execution on the host. This issue affects: Kata Containers 1.11 versions earlier than 1.11.1; Kata Containers 1.10 versions earlier than 1.10.5; Kata Containers 1.9 and earlier versions.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Fedora· Fedora Projectrpm
95%
31
Runtime· Katacontainers
95%
v ≤ 1.91 ≤ v ≤ 1.91.10 ≤ v < 1.10.51.11 ≤ v < 1.11.111.101.11
Affected range stops below 1.10.5, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.11.1, so it looks safe — our inference, not a vendor statement

References (10)

x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/kata-containers/runtime/issues/2712
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/kata-containers/runtime/pull/2713
x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/kata-containers/runtime/releases/tag/1.10.5
x_refsource_MISCRelease NotesThird Party Advisory
Source: [email protected]
https://github.com/kata-containers/runtime/releases/tag/1.11.1
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2P7FHA4AF6Y6PAVJBTTQPUEHXZQUOF3P/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JPBKAQBF3OR72N55GWM2TDYQP2OHK6H/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6W5MKF7HSAIL2AX2BX6RV4WWVGUIKVLS/
Vendor Advisoryx_refsource_FEDORA
Source: [email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NJAMOVB7DSOGX7J26QH5HZKU7GSSX2VU/

CVSS

8.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-59

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