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Fencer Vulns
medium 5.1

CVE-2022-3500 json

Keylime: unhandled exceptions could lead to invalid attestation states

published 2022-10-28 4 y ago modified 2026-06-17 4 mo ago also GHSA-hff2-x2j9-gxgv , PYSEC-2022-42995 , EUVD-2022-0135

cvss
5.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits
0
none known

Summary

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.

Patch / fix

  • pypi keylime 6.5.1
  • keylime keylime 6.5.1
  • keylime RHEL 9 6.5.1-1.el9_1
  • keylime-base RHEL 9 6.5.1-1.el9_1
  • keylime-tenant RHEL 9 6.5.1-1.el9_1
  • keylime-selinux RHEL 9 6.5.1-1.el9_1
  • python3-keylime RHEL 9 6.5.1-1.el9_1
  • keylime-verifier RHEL 9 6.5.1-1.el9_1
  • keylime-registrar RHEL 9 6.5.1-1.el9_1

red hat advisories RHSA-2022:8444

  • keylime SLE Module for Basesystem 15 SP4, openSUSE Leap 15.4 6.3.2-150400.4.14.1

suse advisories SUSE-SU-2022:4204-1

  • keylime AlmaLinux 9 6.5.1-1.el9_1
  • keylime-base AlmaLinux 9 6.5.1-1.el9_1
  • keylime-tenant AlmaLinux 9 6.5.1-1.el9_1
  • keylime-selinux AlmaLinux 9 6.5.1-1.el9_1
  • python3-keylime AlmaLinux 9 6.5.1-1.el9_1
  • keylime-verifier AlmaLinux 9 6.5.1-1.el9_1
  • keylime-registrar AlmaLinux 9 6.5.1-1.el9_1

almalinux advisories ALSA-2022:8444

  • keylime Rocky Linux 9 6.5.1-1.el9_1.4

rocky linux advisories RLSA-2022:8444

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-3500 updated cvss 5.1

keylime: exception handling and impedance match in tornado_requests

  • Red Hat Enterprise Linux AppStream (v. 9) keylime 6.5.1-1.el9_1, keylime-base 6.5.1-1.el9_1, keylime-tenant 6.5.1-1.el9_1, keylime-selinux 6.5.1-1.el9_1, python3-keylime 6.5.1-1.el9_1, keylime-verifier 6.5.1-1.el9_1, +1 more
    fixed: vendor fix RHSA-2022:8444

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 3.1 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 5.1 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
pypi keylime
<6.5.1
6.5.1

Affected products

  • n/a keylime

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.