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[release-4.14] OCPBUGS-99891: Cherry-pick CVE-2026-66138 fix (NTP command injection) - #202

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[release-4.14] OCPBUGS-99891: Cherry-pick CVE-2026-66138 fix (NTP command injection)#202
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Cherry-pick of upstream commit d4926bf onto the OCP 4.14 branch.

Fixes a command injection vulnerability in sync_clock() where an unsanitized ntp_server value could be used to execute arbitrary shell commands (CVE-2026-66138).

This branch predates the is_link_local feature that release-4.19+ carries (which already imports ipaddress/shlex), so a follow-up commit adds the two missing imports the cherry-picked fix needs -- without them, ci/prow/unit fails with NameError: name 'ipaddress' is not defined.

Upstream fix: https://review.opendev.org/c/openstack/ironic-python-agent/+/998486

Related: OCPBUGS-99891

juliakreger and others added 2 commits July 30, 2026 12:51
Adds basic validation of the NTP server parameter to harden the
usage of the NTP server time setting *AND* also uses shlex.quote
to and removes shell=true from the execution invocation to prevent
any possibliity of injecting a malicious command to be executed.

Related-Bug: 2160050
Assisted-By: Claude Opus 4.6
Change-Id: I69e85a1c5040066674d90a6e12acc30cec96ba76
Signed-off-by: Julia Kreger <juliaashleykreger@gmail.com>
The CVE-2026-66138 fix (d4926bf) calls ipaddress.ip_address() and shlex.quote() in the new _validate_ntp_server(), assuming both modules are already imported -- true on release-4.19+ (which carry an unrelated is_link_local feature that imports them) but not on this branch. Add the two missing imports so the cherry-picked fix actually runs; without them ci/prow/unit fails with NameError: name 'ipaddress' is not defined.

Related: OCPBUGS-99891
@openshift-ci-robot openshift-ci-robot added jira/severity-important Referenced Jira bug's severity is important for the branch this PR is targeting. jira/valid-reference Indicates that this PR references a valid Jira ticket of any type. jira/invalid-bug Indicates that a referenced Jira bug is invalid for the branch this PR is targeting. labels Jul 30, 2026
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@mariocr73: This pull request references Jira Issue OCPBUGS-99891, which is invalid:

  • expected dependent Jira Issue OCPBUGS-99889 to be in one of the following states: VERIFIED, RELEASE PENDING, CLOSED (ERRATA), CLOSED (CURRENT RELEASE), CLOSED (DONE), CLOSED (DONE-ERRATA), but it is New instead

Comment /jira refresh to re-evaluate validity if changes to the Jira bug are made, or edit the title of this pull request to link to a different bug.

The bug has been updated to refer to the pull request using the external bug tracker.

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In response to this:

Cherry-pick of upstream commit d4926bf onto the OCP 4.14 branch.

Fixes a command injection vulnerability in sync_clock() where an unsanitized ntp_server value could be used to execute arbitrary shell commands (CVE-2026-66138).

This branch predates the is_link_local feature that release-4.19+ carries (which already imports ipaddress/shlex), so a follow-up commit adds the two missing imports the cherry-picked fix needs -- without them, ci/prow/unit fails with NameError: name 'ipaddress' is not defined.

Upstream fix: https://review.opendev.org/c/openstack/ironic-python-agent/+/998486

Related: OCPBUGS-99891

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openshift-ci Bot requested review from derekhiggins and elfosardo July 30, 2026 17:57
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openshift-ci Bot commented Jul 30, 2026

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: mariocr73
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/retest-required

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/retest

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openshift-ci Bot commented Aug 13, 2026

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@mariocr73: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name Commit Details Required Rerun command
ci/prow/unit 1706b07 link true /test unit

Full PR test history. Your PR dashboard.

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