CVE-2022-3500

Severity: medium (CVSS 5.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-11-22 · updated 2026-06-17
Weakness: CWE-248

Description

A vulnerability was found in keylime. This security issue happens in some circumstances, due to some improperly handled exceptions, there exists the possibility that a rogue agent could create errors on the verifier that stopped attestation attempts for that host leaving it in an attested state but not verifying that anymore.

Affected products

Fedoraproject Fedora: 35, 36, 37
keylime: before 6.5.1 — fixed in 6.5.1
Red Hat Enterprise Linux: 9.0

How to fix

Upgrade to a fixed version: keylime 6.5.1. Check the vendor advisory for mitigations.

References

https://access.redhat.com/security/cve/CVE-2022-3500
https://github.com/keylime/keylime/pull/1128
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PUTHMDVFNGGVPCNPOGULMJAAFEP7MEXP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QX4XVCAUFGJ2I2NCTOKONTJGRJB2NBBT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQH5CJRX65QYMQN5WGUKKKE3IRJBWG5Z/
https://access.redhat.com/security/cve/CVE-2022-3500
https://github.com/keylime/keylime/pull/1128
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PUTHMDVFNGGVPCNPOGULMJAAFEP7MEXP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QX4XVCAUFGJ2I2NCTOKONTJGRJB2NBBT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQH5CJRX65QYMQN5WGUKKKE3IRJBWG5Z/

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