OSTechNixDocker Engine v29.4.3 mitigates the critical Copy Fail (CVE-2026-31431) vulnerability. Update immediately if you cannot patch your Linux kernel yet.
More details here: https://ostechnix.com/docker-copy-fail-mitigation/
Docker BlogMitigating CVE-2026-31431 (“Copy Fail”) in Docker Engine
#Docker #Engineering #AF_ALG #CopyFail #CVE202631431 #Dockerengine #Seccomp #Security #Selinux
https://www.docker.com/blog/mitigating-cve-2026-31431-copy-fail-in-docker-engine/
DIESEC732 bytes of Python → root on every Linux server you own. CVE-2026-31431 works on Ubuntu, RHEL, Debian, SUSE — no timing windows, no recompilation. CISA deadline May 15. Patch now.
ICS Advisory ProjectNew ICSAP Analysis Report out today: "Reading Between the Advisories."
Reviewed 3,800 CISA ICS advisories and 12,468 ICS[AP] vendor advisories for Linux exposure to Copy Fail (CVE-2026-31431).
0.8% mention Linux. Schneider, Rockwell, Mitsubishi, Hitachi Energy, Moxa: zero references each across 755 advisories.
Advisory text alone won't show asset owners their exposure.
TLP:CLEAR → https://drive.google.com/file/d/1CDvyFi3ZcdMewTJmSURRQhEoNVWQI67s/view?usp=sharing
#OTSecurity #ICSSecurity #CopyFail #CVE202631431 #LinuxKernel #PSIRT
Michael J BurgessCopy Fail Linux Privilege
Copy Fail is a Linux kernel privilege escalation flaw. Learn who may be affected, why it matters, and how to update safely.
Ilkka Tengvall#OpenShift hosters 🔊 Red Hat has released blocker for copy-fail vulnerability, no reboots needed:
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.
Analyst207Linux Flaw Exposes Millions to Local Privilege Escalation
A critical Linux flaw, known as Copy Fail, has been discovered, exposing millions to potential local privilege escalation attacks - a vulnerability that highlights a deterministic logic error in the Linux kernel's cryptographic subsystem. This flaw, tracked as CVE-2026-31431, was publicly disclosed on April 29, 2026.
#Linux #PrivilegeEscalation #LocalPrivilegeEscalation #Cve202631431 #Afalg
CISA Warns of Active Exploits of Linux 'CopyFail' Flaw
A newly disclosed Linux kernel vulnerability, dubbed "CopyFail," is being actively exploited, allowing low-privilege users to gain full root control on unpatched systems with a single, unmodified exploit binary. This alarming flaw, tracked as CVE-2026-31431, has sparked emergency patching efforts to prevent widespread attacks.
#LinuxKernelVulnerability #Cve202631431 #Copyfail #EmergingThreats #LinuxDistributions
Daniel MarshCVE-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.
#cybersecurity #cve202631431 #copyfail
🤖 This post was AI-generated.
Red Hat product updates to copy fail available https://access.redhat.com/security/cve/cve-2026-31431