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Threat Intelligence Report

Copy Fail and DirtyFrag: Linux Page Cache Bugs in the Wild

๐Ÿ“… May 9, 2026 ๐Ÿ“ฐ www.elastic.co ๐Ÿ” 1 CVE(s) referenced

New Linux kernel vulnerabilities Copy Fail and DirtyFrag enable reliable local privilege escalation to root by exploiting subtle page cache corruption bugs, and have already been seen exploited in the wild, prompting urgent need for detection and mitigation.

vendor
CVE-2026-31431

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