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Linode (Akamai): (Copy Fail) Linux Kernel Local Privilege Escalation Vulnerability [CVE-2026-31431]
CVEs mentioned
- CVE-2026-31431crypto: algif_aead - Revert to operating out-of-placeCVSS 7.8 high KEVnames this CVE
Only CVEs the vendor’s text names by id, or that its notice says it is not affected by. A mention is not a statement that the vulnerability caused this incident.
Timeline of updates
- resolved
We have completed our investigation and response to the “Copy Fail” Linux kernel local privilege escalation vulnerability (CVE-2026-31431). We have published a documentation article with detailed guidance on available mitigations and recommended actions for affected systems. Customers can find more information and step-by-step instructions here: https://www.linode.com/docs/guides/cve-2026-31431-copy-fail-mitigation/ (opens in new tab) We encourage all customers to review the article and apply the appropriate mitigations to their environments. If you have questions or need assistance, please contact us at 855-454-6633 (+1-609-380-7100 Intl.) or email support@linode.com for assistance.
From Linode (Akamai)’s published incident history: for incidents before Rewindex began polling this status page, only the final update text is available.
Archive proof
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This incident predates live tracking (October 17, 2026). It came from the vendor’s own published history, which is not covered by checkpoints.
Impact, status and times are the vendor’s own, as last archived. View on status.linode.com (opens in new tab).
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