USN-9027-2: Linux kernel (FIPS) vulnerabilities
USN-9027-2
Summary
Grzegorz Grasza discovered that OpenStack Keystone did not consistently enforce restrictions for delegated authentication tokens. An authenticated attacker could possibly use this issue to create credentials or delegations that outlasted the delegated token. (CVE-2026-80182)
It was discovered that OpenStack Keystone incorrectly handled role assignment queries under certain circumstances. An authenticated attacker could possibly use this issue to obtain sensitive information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-80183) Tim Shephard discovered that OpenStack Keystone did not properly restrict reauthentication using delegated tokens.
An authenticated attacker could possibly use this issue to escape their intended project scope and obtain unauthorized access. (CVE-2026-80184)
Products covered
A separate affected-products list was not included in the collected bulletin.
Remediation
Separate remediation guidance was not included in the collected bulletin.
CVEs in this advisory 3
Updates
- Published by Ubuntu
The publication date reported by the vendor.
- Added to SecurityAlert
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- Confirmed at the source
Our collector saw this advisory during a later source check.