{"id":"CVE-2024-21961","aliases":["EUVD-2024-19567","GHSA-2qq2-jxgg-2w76"],"status":"published","title":"Improper restriction of operations within the bounds of a memory buffer in PCIe® Link could allow...","description":"Improper restriction of operations within the bounds of a memory buffer in PCIe® Link could allow an attacker with access to a guest virtual machine to potentially perform a denial of service attack against the host resulting in loss of availability.","severity":{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00344,"percentile":0.28325,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2026-02-12T23:45:09Z","modified":"2026-06-17T07:10:27Z","products":[{"vendor":"amd","product":"amd epyc™ 7002 series processors"},{"vendor":"amd","product":"amd epyc™ embedded 7002 series processors"},{"vendor":"amd","product":"amd ryzen™ 3000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 4000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 4000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 5000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 5000 series desktop processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 5000 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 6000 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 7020 series processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7040 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 7045 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ 8000 series desktop processors"},{"vendor":"amd","product":"amd ryzen™ 8040 series mobile processors with radeon™ graphics"},{"vendor":"amd","product":"amd ryzen™ embedded 5000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded 7000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded 8000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded v2000 series processors"},{"vendor":"amd","product":"amd ryzen™ embedded v3000 series processors"},{"vendor":"amd","product":"amd ryzen™ z1 series processors"},{"vendor":"amd","product":"amd ryzen™ z2 series processors"}],"references":[{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-4013.html"},{"url":"https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-3023.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-21961"},{"url":"https://github.com/advisories/GHSA-2qq2-jxgg-2w76"}],"sources":{"cve":[{"id":"CVE-2024-21961","description":"Improper restriction of operations within the bounds of a memory buffer in PCIe® Link could allow an attacker with access to a guest virtual machine to potentially perform a denial of service attack against the host resulting in loss of availability.","status":"published","published":"2026-02-12T23:45:09.575Z","modified":"2026-02-13T13:19:41.189Z","cvss":[{"version":"4.0","score":6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:34:05.077718Z"}],"euvd":[{"id":"EUVD-2024-19567","description":"Improper 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