CVE-2026-43400

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{"bugzilla": {"description": "kernel: drm/amdgpu: add upper bound check on user inputs in signal ioctl", "id": "2468261", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468261"}, "csaw": false, "cwe": "CWE-1284", "details": ["A flaw was found in the Linux kernel's `drm/amdgpu` module. A local user could exploit this vulnerability by providing excessively large input values to the `amdgpu_userq_signal_ioctl` function. This lack of proper input validation can lead to an Out-Of-Memory (OOM) condition, causing a Denial of Service (DoS) on the affected system."], "name": "CVE-2026-43400", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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"}], "public_date": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43400\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43400\nhttps://lore.kernel.org/linux-cve-announce/2026050839-CVE-2026-43400-3a71@gregkh/T"]}

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