{
    "id": "CVE-2026-31431",
    "published": "2026-04-22 09:16:21",
    "last_modified": "2026-09-08 15:13:07",
    "cvss_score": "7.8",
    "cvss_severity": "HIGH",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-669",
    "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 directly.",
    "epss_score": "0.03437",
    "epss_percentile": "0.88531",
    "kev": 1,
    "kev_due": "2026-05-15",
    "has_exploit": 0,
    "updated_at": "2026-09-27 18:17:57",
    "priority": {
        "rank": 1,
        "label": "Patch first",
        "why": "On CISA KEV — known exploited in the wild, due 2026-05-15."
    },
    "products": [
        {
            "vendor": "amazon",
            "product": "amazon_linux"
        },
        {
            "vendor": "arista",
            "product": "cloudvision_agni"
        },
        {
            "vendor": "arista",
            "product": "cloudvision_portal"
        },
        {
            "vendor": "arista",
            "product": "netvisor_os"
        },
        {
            "vendor": "arista",
            "product": "velocloud_edge"
        },
        {
            "vendor": "arista",
            "product": "velocloud_gateway"
        },
        {
            "vendor": "arista",
            "product": "velocloud_orchestrator"
        },
        {
            "vendor": "canonical",
            "product": "ubuntu_linux"
        },
        {
            "vendor": "debian",
            "product": "debian_linux"
        },
        {
            "vendor": "linux",
            "product": "linux_kernel"
        },
        {
            "vendor": "nixos",
            "product": "nixos"
        },
        {
            "vendor": "opensuse",
            "product": "leap"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_aus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_eus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_tus"
        },
        {
            "vendor": "redhat",
            "product": "enterprise_linux_update_services_for_sap_solutions"
        },
        {
            "vendor": "redhat",
            "product": "openshift_container_platform"
        },
        {
            "vendor": "siemens",
            "product": "simatic_s7-1500_cpu_1518-4_pn\\/dp_mfp_firmware"
        },
        {
            "vendor": "suse",
            "product": "basesystem_module"
        },
        {
            "vendor": "suse",
            "product": "caas_platform"
        },
        {
            "vendor": "suse",
            "product": "development_tools_module"
        },
        {
            "vendor": "suse",
            "product": "enterprise_storage"
        },
        {
            "vendor": "suse",
            "product": "legacy_module"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_desktop"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_high_availability_extension"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_high_performance_computing"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_live_patching"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_micro"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_real_time"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_server"
        },
        {
            "vendor": "suse",
            "product": "linux_enterprise_workstation_extension"
        },
        {
            "vendor": "suse",
            "product": "linux_micro"
        },
        {
            "vendor": "suse",
            "product": "manager_proxy"
        },
        {
            "vendor": "suse",
            "product": "manager_retail_branch_server"
        },
        {
            "vendor": "suse",
            "product": "manager_server"
        },
        {
            "vendor": "suse",
            "product": "openstack_cloud"
        },
        {
            "vendor": "suse",
            "product": "openstack_cloud_crowbar"
        },
        {
            "vendor": "suse",
            "product": "public_cloud_module"
        },
        {
            "vendor": "suse",
            "product": "realtime_module"
        }
    ],
    "kev_detail": {
        "cve_id": "CVE-2026-31431",
        "date_added": "2026-05-01",
        "due_date": "2026-05-15",
        "vendor": "Linux",
        "product": "Kernel",
        "name": "Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability",
        "ransomware": 0
    },
    "exploits": [],
    "refs_list": [
        "https://git.kernel.org/stable/c/19d43105a97be0810edbda875f2cd03f30dc130c",
        "https://git.kernel.org/stable/c/3115af9644c342b356f3f07a4dd1c8905cd9a6fc",
        "https://git.kernel.org/stable/c/893d22e0135fa394db81df88697fba6032747667",
        "https://git.kernel.org/stable/c/8b88d99341f139e23bdeb1027a2a3ae10d341d82",
        "https://git.kernel.org/stable/c/961cfa271a918ad4ae452420e7c303149002875b",
        "https://git.kernel.org/stable/c/a664bf3d603dc3bdcf9ae47cc21e0daec706d7a5",
        "https://git.kernel.org/stable/c/ce42ee423e58dffa5ec03524054c9d8bfd4f6237",
        "https://git.kernel.org/stable/c/fafe0fa2995a0f7073c1c358d7d3145bcc9aedd8",
        "http://www.openwall.com/lists/oss-security/2026/04/29/23",
        "http://www.openwall.com/lists/oss-security/2026/04/29/25",
        "http://www.openwall.com/lists/oss-security/2026/04/29/26",
        "http://www.openwall.com/lists/oss-security/2026/04/30/10",
        "http://www.openwall.com/lists/oss-security/2026/04/30/11",
        "http://www.openwall.com/lists/oss-security/2026/04/30/12",
        "http://www.openwall.com/lists/oss-security/2026/04/30/14",
        "http://www.openwall.com/lists/oss-security/2026/04/30/15",
        "http://www.openwall.com/lists/oss-security/2026/04/30/16",
        "http://www.openwall.com/lists/oss-security/2026/04/30/17",
        "http://www.openwall.com/lists/oss-security/2026/04/30/18",
        "http://www.openwall.com/lists/oss-security/2026/04/30/2",
        "http://www.openwall.com/lists/oss-security/2026/04/30/20",
        "http://www.openwall.com/lists/oss-security/2026/04/30/5",
        "http://www.openwall.com/lists/oss-security/2026/04/30/6",
        "http://www.openwall.com/lists/oss-security/2026/05/01/10",
        "http://www.openwall.com/lists/oss-security/2026/05/01/12"
    ]
}