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{"acknowledgement": "Red Hat would like to thank Christopher Fletcher (University of Illinois Urbana-Champaign), David Kohlbrenner (University of Washington), Elizabeth Tang He (University of Illinois Urbana-Champaign), Hovav Shacham (University of Texas at Austin), Riccardo Paccagnella (University of Illinois Urbana-Champaign), and Yingchen Wang (University of Texas at Austin) for reporting this issue.", "bugzilla": {"description": "hw: cpu: cryptographic leaks via frequency scaling attacks(Intel)", "id": "2097184", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2097184"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-1240", "details": ["Observable behavioral in power management throttling for some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via network access.", "A potential vulnerability in some Intel\u00ae processors using frequency scaling may allow an authenticated attacker to execute a timing attack to potentially enable information disclosure."], "mitigation": {"lang": "en:us", "value": "Currently, there is no mitigation for this flaw. Intel has provided some guidance to developers of Cryptographic software to harden their libraries and applications against Hertzbleed. More information is available in the official Intel and AMD security advisories linked at the bottom of this document.\nA workload-independent workaround to mitigate Hertzbleed is to disable frequency boost. However, this is not recommended since it will significantly affect performance.\nReference:\nhttps://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/frequency-throttling-side-channel-guidance.html"}, "name": "CVE-2022-24436", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:rhev_hypervisor:4", "fix_state": "Not affected", "package_name": "redhat-virtualization-host", "product_name": "Red Hat Virtualization 4"}], "public_date": "2022-06-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-24436\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-24436\nhttps://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1038\nhttps://www.hertzbleed.com/\nhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00698.html"], "threat_severity": "Moderate"}

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