Moxa Linux Flaw Lets Local Users Gain Root Access via Dirty Frag
incidentopenMay 1, 2026 — May 27, 2026
Moxa has issued a critical security advisory (MPSA-263140) concerning vulnerabilities in its Linux-based operating systems that allow local attackers to gain root privileges. The weaknesses are identified as 'Copy Fail' (CVE-2026-31431) and 'Dirty Frag' (CVE-2026-43284, CVE-2026-43500). The advisory underscores the risks in non-containerized…
Root sourcewww.moxa.com
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Moxa Linux Flaw Lets Local Users Gain Root Access via Dirty Frag
securityonline.info
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Dirty Frag (CVE-2026-43284) lets Linux users gain root
www.securityweek.com
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Dirty Frag Linux flaw (CVE-2026-43284) lets users gain root
www.microsoft.com
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Linux Kernel Flaw Lets Users Gain Root via Page Cache Corruption
isc.sans.edu
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Dirty Frag kernel bug enables local root via chained exploits
thehackernews.com
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Cloudflare Blocks Copy‑Fail Linux Flaw Using bpf‑LSM
blog.cloudflare.com
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CVE-2026-31431: Linux Kernel Flaw Enables Root via Simple Script
unit42.paloaltonetworks.com
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CISA flags Linux kernel CVE-2026-31431, urgent patch by May 15
securityaffairs.com
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CISA Warns of Active Exploitation of Linux Kernel Copy Fail Flaw
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CISA flags CVE-2026-31431 Linux kernel flaw under active attack
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Microsoft warns CVE-2026-31431 lets Linux users get root in cloud
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CISA Adds CVE-2026-31431 to Known Exploited Vulnerabilities Catalogue
cisa.gov