This vulnerability has been fixed in Kata Containers. The fix will be
included

in the upcoming 4.1.0 release, which is expected to be available shortly:

 

genpolicy: don't match image pull storages to mounts
<https://github.com/kata-containers/kata-containers/commit/fe8eeefcd0bec13c0
37ceb8f0889e48b75db17ab> . kata-containers/kata-containers@fe8eeef

 

Description:

 

A flaw was found in Kata Containers. In configurations utilizing genpolicy
for

Confidential Containers guest protection, a malicious host operator can

exploit insufficient validation of CreateContainer mount and storage rules.

This allows them to mount arbitrary container-rootfs paths over sensitive

host locations or provision arbitrary content, potentially exposing

confidential information or enabling the acceptance of attacker-controlled

input.

 

CVE: CVE-2026-77176

GHSA: GHSA-fmg6-v47x-52wr

 

Original report:

generated policy allows mounting attacker-chosen guest paths to specific
locations
<https://github.com/kata-containers/kata-containers/security/advisories/GHSA
-fmg6-v47x-52wr> . Advisory . kata-containers/kata-containers

 

---

Manuel Huber, on behalf of the

Kata Containers Vulnerability Management Team

 

Attachment: smime.p7s
Description: S/MIME cryptographic signature

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