Automated cherry pick of #1259: Bump GCSFuse binary to v3.7.3 to fix CVE-2025-68121

[amacaskill]

Cherry pick of #1259 on release-1.22.

#1259: Bump GCSFuse binary to v3.7.3 to fix CVE-2025-68121

For details on the cherry pick process, see the cherry pick requests page.

Bump GCSFuse binary to v3.7.3 to fix CVE-2025-68121

[gemini-code-assist]

Summary of Changes

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This pull request performs a critical security update by bumping the GCSFuse binary to its latest patch version. This ensures that the system is protected against a recently identified vulnerability, maintaining the integrity and security of operations that rely on GCSFuse.

Highlights

• GCSFuse Binary Update: The GCSFuse binary has been updated from version v3.7.2-gke.0 to v3.7.3-gke.0.
• Security Fix: This update specifically addresses and fixes the security vulnerability identified as CVE-2025-68121.

Changelog

• cmd/sidecar_mounter/gcsfuse_binary
  • Updated the GCSFuse binary version string.

Activity

• No specific activity (comments, reviews, etc.) has been recorded for this pull request yet.

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[gemini-code-assist]

Code Review

This pull request is a cherry-pick that bumps the GCSFuse binary from version v3.7.2-gke.0 to v3.7.3-gke.0 to address a reported CVE. The change updates the GCS path in cmd/sidecar_mounter/gcsfuse_binary, which is correctly used by the Makefile to download the specified binary version. The change is straightforward and correct. I have no further feedback.

[google-oss-prow]

[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: amacaskill, mattcary

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