{"cve":{"cve_id":"CVE-2026-31431","is_kev":true,"kev_date_added":"2026-05-01","kev_vendor_project":"Linux","kev_product":"Kernel","kev_vulnerability_name":"Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability","kev_short_description":"Linux Kernel contains an incorrect resource transfer between spheres vulnerability that could allow for privilege escalation.","kev_required_action":"\"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","kev_due_date":"2026-05-15","kev_known_ransomware":false,"kev_notes":"https://lore.kernel.org/linux-cve-announce/2026042214-CVE-2026-31431-3d65@gregkh/; https://xint.io/blog/copy-fail-linux-distributions#the-fix-6 ; https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/about/ ; https://nvd.nist.gov/vuln/detail/CVE-2026-31431","kev_cwes":["CWE-669"],"epss_score":0.96775,"epss_percentile":0.99879,"epss_as_of":"2026-06-23","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: algif_aead - Revert to operating out-of-place\n\nThis mostly reverts commit 72548b093ee3 except for the copying of\nthe associated data.\n\nThere is no benefit in operating in-place in algif_aead since the\nsource and destination come from different mappings.  Get rid of\nall the complexity added for in-place operation and just copy the\nAD 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AF_ALG","author":"ritikchaddha","disclosed_at":null}],"news":[],"references":[{"url":"https://git.kernel.org/stable/c/893d22e0135fa394db81df88697fba6032747667","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/19d43105a97be0810edbda875f2cd03f30dc130c","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/961cfa271a918ad4ae452420e7c303149002875b","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/3115af9644c342b356f3f07a4dd1c8905cd9a6fc","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/8b88d99341f139e23bdeb1027a2a3ae10d341d82","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/ce42ee423e58dffa5ec03524054c9d8bfd4f6237","source_type":"MISC","tags":[]},{"url":"https://git.kernel.org/stable/c/a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5","source_type":"MISC","tags":[]}],"timeline":[{"type":"published","at":"2026-04-22T08:15:10.123000Z","label":"CVE 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