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CVE-2025-71183: btrfs: always detect conflicting inodes when logging inode refs

mediumCVSS 5.5CVE-2025-71183

CSIRTS triage

vendor: Linuxproduct: Linux KernelOther
What
A fix to btrfs logging ensures conflicting inodes are always detected when logging inode references.
Who is affected
Systems using Btrfs filesystem in affected kernel versions are vulnerable.
Urgency
Medium severity (CVSS 5.5) and not exploited; standard patching recommended.
Action
Apply kernel patch to btrfs inode logging to always detect conflicting inodes.

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Details

Source
Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity
medium — CVSS 5.5
Published
2026-08-06
Exploitation
Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-71183

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-71183coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

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