btrfs: fix reloc root cleanup in merge_reloc_roots()

Scope

What the vendor says is affected

• azl3 kernel 6.6.157.1-1 on Azure Linux 3.0

Timeline

When this advisory changed

1. Sep 28, 2026 at 2:04 AM UTC
   Published by Microsoft Security Response Center

   The publication date reported by the vendor.

2. Sep 28, 2026 at 11:20 AM UTC
   Added to SecurityAlert

   We collected the advisory from the official source.

Vulnerabilities

CVEs named in this advisory

CVE-2026-93798View CVSS, KEV, EPSS, and threat context