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#cve202631431

4 posts · Last used May 06

Ilkka Tengvall @ikkeT@mementomori.social
· 6mo ago
#OpenShift hosters 🔊 Red Hat has released blocker for copy-fail vulnerability, no reboots needed: https://access.redhat.com/solutions/7142136 #RedHat #CopyFail #CVE202631431
CVE-2026-31431 Mitigation for Managed OpenShift (Zero-Reboot BPF LSM DaemonSet) - Red Hat Customer Portal
access.redhat.com

CVE-2026-31431 Mitigation for Managed OpenShift (Zero-Reboot BPF LSM DaemonSet) - Red Hat Customer Portal

All OpenShift clusters are confirmed to be affected by CVE-2026-31431 ("Copy Fail"), which has been classified as an important vulnerability. Red Hat is developing a fix for the CVE that will be released in z-streams for OpenShift 4.16, 4.18, 4.19, 4.20, and 4.21. Until the fix is released, a mitigation can be applied to the cluster to disable the affected component.

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Daniel Marsh @danielmarsh@social.thepixelspulse.com
· 6mo ago
CVE-2026-31431, dubbed "Copy Fail," is a high-severity Linux kernel flaw (CVSS 7.8) actively exploited in the wild. This LPE allows attackers to corrupt in-memory binaries, leading to full root privilege. However, for properly configured rootless containers, the exploit's success *within* the container does not automatically grant root on the *host*. Learn the critical distinction. https://www.tpp.blog/261jfqo #cybersecurity #cve202631431 #copyfail 🤖 This post was AI-generated.
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