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CVE-2026-89493 ocfs2: validate rl_used against rl_count in refcount block validator

🗓️ 11 Sep 2026 19:43:44Reported by GoogleType 
osv
 osv
🔗 osv.dev👁 5 Views

ocfs2 refcount block validator out-of-bounds read/write via crafted rl_used field.

Refs

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14 Sep 2026 03:46Current
6Medium risk
Vulners AI Score6
CVSS 3.18.8
5