Summary
Hitachi Energy is aware of Dirty Frag vulnerabilities that affect APM Edge product versions listed in this document. Successful exploitation of these vulnerabilities could result in impact on confidentiality, integrity and availability of the product. Please refer to the Recommended Immediate Actions for information about the mitigation/remediation.
Vulnerabilities 2
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High 8.8
xfrm: esp: avoid in-place decrypt on shared skb frags
In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSG_SPLICE_PAGES can attach pages from a pipe directly to an skb. TCP marks such skbs with SKBFL_SHARED_FRAG after skb_splice_from_iter()…
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High 7.8
rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Also unshare DATA/RESPONSE packets when paged frags are present The DATA-packet handler in rxrpc_input_call_event() and the RESPONSE handler in rxrpc_verify_response() copy the skb to …
Revision history
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#2
Initial CISA Republication of Hitachi Energy PSIRT 8DBD000256 advisory
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#1
Initial public release
References
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[1] Industrial Control Systems Cybersecurity Best Practices
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000235&LanguageCode=en&DocumentPartId=&Action=Launch
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[2] APM Edge Dirty Frag Vulnerability Mitigation Instructions
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000256&LanguageCode=en&DocumentPartId=&Action=Launch
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Dirty Frag Vulnerabilities in Hitachi Energy APM Edge Product
https://publisher.hitachienergy.com/preview?DocumentID=8DBD000256&LanguageCode=en&DocumentPartId=&Action=launch
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ICS Advisory ICSA-26-225-04 - Web Version
https://www.cisa.gov/news-events/ics-advisories/icsa-26-225-04
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Recommended Practices
https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01
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Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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Recommended Practices
https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/news-events/news/targeted-cyber-intrusion-detection-and-mitigation-strategies-update-b