Outage in Linode

[Fragnesia] Linux Privilege Escalation Vulnerability

Minor

May 13, 2026 - Started 20 days ago
Official incident page

Incident Report

Akamai is aware of the recently disclosed “Fragnesia”[1] vulnerability, following the “DirtyFrag”[2] and “CopyFail”[3] disclosures. This vulnerability is very similar in nature and has a similar impact, exploit path, and mitigation approach. We have not observed any related malicious exploits targeting our infrastructure and are continuing to address the vulnerability across our product portfolio and internal systems. As with “CopyFail” and “DirtyFrag”, we are advising customers to consider most Linux distributions to be at-risk until patched. Since the “Fragnesia” vulnerability was disclosed prior to upstream patches having been made available, we are forced to wait for the different OS providers to create new releases or patches before we can integrate them into the versions we make available to customers. As this is a rapidly developing incident, we will provide further information regarding recommended actions, possible mitigations, and OS updates for all customers who may be affected. [1] https://github.com/v12-security/pocs/tree/main/fragnesia [2] https://github.com/V4bel/dirtyfrag/blob/master/assets/write-up.md [3] https://www.linode.com/docs/guides/cve-2026-31431-copy-fail-mitigation/

Components affected

Linode AP-Southeast (Sydney) NodeBalancers Linode CA-Central (Toronto) Linode AP-West (Mumbai) Backups Linode US-East (Newark) Linode CA-Central (Toronto) NodeBalancers Linode AP-Northeast-2 (Tokyo 2) NodeBalancers Linode US-Central (Dallas) Backups Linode US-West (Fremont) Kubernetes Engine Linode US-West (Fremont) Linode AP-West (Mumbai) Block Storage Linode US-East (Newark) Backups Linode AP-South (Singapore) Backups Linode AP-Northeast-2 (Tokyo 2) Kubernetes Engine Linode AP-Northeast-2 (Tokyo 2) Block Storage Linode AP-West (Mumbai) Kubernetes Engine Linode EU-Central (Frankfurt) Linode EU-West (London) Linode US-East (Newark) NodeBalancers Linode AP-South (Singapore) Object Storage Linode EU-West (London) Kubernetes Engine Linode AP-Southeast (Sydney) Linode CA-Central (Toronto) Block Storage Linode EU-West (London) Backups Linode EU-Central (Frankfurt) Kubernetes Engine Linode EU-Central (Frankfurt) NodeBalancers Linode AP-South (Singapore) Block Storage Linode AP-Southeast (Sydney) Kubernetes Engine Linode US-Southeast (Atlanta) Backups Linode US-West (Fremont) Backups Linode US-Central (Dallas) Kubernetes Engine Linode AP-Northeast-2 (Tokyo 2) Backups Linode EU-Central (Frankfurt) Object Storage Linode AP-West (Mumbai) Linode US-Central (Dallas) Block Storage Linode AP-South (Singapore) Linode EU-Central (Frankfurt) Backups Linode US-Southeast (Atlanta) Linode US-East (Newark) Kubernetes Engine Linode US-Southeast (Atlanta) NodeBalancers Linode AP-South (Singapore) NodeBalancers Linode CA-Central (Toronto) Backups Linode US-East (Newark) Object Storage Linode US-West (Fremont) Block Storage Linode EU-West (London) NodeBalancers Linode EU-Central (Frankfurt) Block Storage Linode US-Central (Dallas) Linode AP-South (Singapore) Kubernetes Engine Linode AP-Northeast-2 (Tokyo 2) Linode AP-West (Mumbai) NodeBalancers Linode US-Central (Dallas) NodeBalancers Linode US-East (Newark) Block Storage Linode US-West (Fremont) NodeBalancers Linode AP-Southeast (Sydney) Backups Linode EU-West (London) Block Storage Linode CA-Central (Toronto) Kubernetes Engine

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Latest Updates ( sorted recent to last )

INVESTIGATING 19 days ago - at 05/15/2026 05:30PM

We are responding to the publication of the most recent variation of the CopyFail[1] adjacent vulnerabilities “DirtyFrag” and “Fragnesia” with additional updates while we wait for upstream OS providers to release patches. Please see our detailed advisory[2] for more information on the current status, possible mitigation mechanisms, and our recommended actions.

We will provide another update when more OS images have been updated and/or additional attack vectors are discovered.

[1] https://www.linode.com/docs/guides/cve-2026-31431-copy-fail-mitigation/
[2] https://www.linode.com/docs/guides/dirty-frag-mitigation/

INVESTIGATING 20 days ago - at 05/13/2026 09:02PM

Akamai is aware of the recently disclosed “Fragnesia”[1] vulnerability, following the “DirtyFrag”[2] and “CopyFail”[3] disclosures. This vulnerability is very similar in nature and has a similar impact, exploit path, and mitigation approach. We have not observed any related malicious exploits targeting our infrastructure and are continuing to address the vulnerability across our product portfolio and internal systems.

As with “CopyFail” and “DirtyFrag”, we are advising customers to consider most Linux distributions to be at-risk until patched. Since the “Fragnesia” vulnerability was disclosed prior to upstream patches having been made available, we are forced to wait for the different OS providers to create new releases or patches before we can integrate them into the versions we make available to customers.

As this is a rapidly developing incident, we will provide further information regarding recommended actions, possible mitigations, and OS updates for all customers who may be affected.

[1] https://github.com/v12-security/pocs/tree/main/fragnesia
[2] https://github.com/V4bel/dirtyfrag/blob/master/assets/write-up.md
[3] https://www.linode.com/docs/guides/cve-2026-31431-copy-fail-mitigation/

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