What is CVE-2026-43308?

CVE-2026-43308 is a security advisory published by Microsoft Security Response Center (MSRC). btrfs: don't BUG() on unexpected delayed ref type in run_one_delayed_ref()

Which CVE IDs does CVE-2026-43308 cover?

CVE-2026-43308 covers the following CVE IDs: CVE-2026-43308. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-43308?

CVE-2026-43308 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-43308CVSS 5.5

btrfs: don't BUG() on unexpected delayed ref type in run_one_delayed_ref()

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-43308 →