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CVE-2026-98245 btrfs: take commit root semaphore when iterating in mark_block_group_to_copy()

🗓️ 06 Oct 2026 08:45:14Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 2 Views

Use-after-free in Linux kernel btrfs mark_block_group_to_copy() during concurrent commits.

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08 Oct 2026 02:52Current
6.2Medium risk
Vulners AI Score6.2
2