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RHEL 10 : keylime (RHSA-2026:28582)

medium Nessus Plugin ID 322331

Synopsis

The remote Red Hat host is missing a security update for keylime.

Description

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:28582 advisory.

 Keylime is a TPM based highly scalable remote boot attestation and runtime integrity measurement solution.

 Security Fix(es):

 * keylime: Keylime: Security bypass due to hardcoded TPM quote nonce (CVE-2026-6420)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL keylime package based on the guidance in RHSA-2026:28582.

See Also

https://access.redhat.com/errata/RHSA-2026:28582

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2458889

http://www.nessus.org/u?e731327b

Plugin Details

Severity: Medium

ID: 322331

File Name: redhat-RHSA-2026-28582.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/24/2026

Updated: 6/24/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.5

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.2

Temporal Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:M/C:C/I:C/A:P

CVSS Score Source: CVE-2026-6420

CVSS v3

Risk Factor: Medium

Base Score: 6.3

Temporal Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:keylime-tenant, p-cpe:/a:redhat:enterprise_linux:python3-keylime, p-cpe:/a:redhat:enterprise_linux:keylime-registrar, p-cpe:/a:redhat:enterprise_linux:keylime-base, p-cpe:/a:redhat:enterprise_linux:keylime, p-cpe:/a:redhat:enterprise_linux:keylime-verifier, p-cpe:/a:redhat:enterprise_linux:keylime-tools, p-cpe:/a:redhat:enterprise_linux:keylime-selinux, cpe:/o:redhat:enterprise_linux:10.2

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 6/24/2026

Vulnerability Publication Date: 5/6/2026

Reference Information

CVE: CVE-2026-6420

CWE: 1241

RHSA: 2026:28582