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{"bugzilla": {"description": "kernel: sfc: Don't invoke xdp_do_flush() from netpoll.", "id": "2323946", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2323946"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-400", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nsfc: Don't invoke xdp_do_flush() from netpoll.\nYury reported a crash in the sfc driver originated from\nnetpoll_send_udp(). The netconsole sends a message and then netpoll\ninvokes the driver's NAPI function with a budget of zero. It is\ndedicated to allow driver to free TX resources, that it may have used\nwhile sending the packet.\nIn the netpoll case the driver invokes xdp_do_flush() unconditionally,\nleading to crash because bpf_net_context was never assigned.\nInvoke xdp_do_flush() only if budget is not zero."], "name": "CVE-2024-50094", "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"}], "public_date": "2024-11-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-50094\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-50094\nhttps://lore.kernel.org/linux-cve-announce/2024110551-CVE-2024-50094-5963@gregkh/T"], "threat_severity": "Moderate"}

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