{"id":"CVE-2026-98597","title":"kernel: net: usb: sr9700: include receive overhead in the length check (CVE-2026-98597)","summary":"A flaw was found in the Linux kernel's sr9700 USB Ethernet driver. When processing incoming packets, the driver fails to properly account for packet header overhead during buffer length validation. An attacker capable of sending crafted pa…","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cvssSource":"vendor","cwe":"CWE-125","vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 8","enterprise_linux 9","openshift_container_platform 4"],"published":"2026-10-18","updated":"2026-10-20","sourceUpdated":"2026-10-20T05:05:17+00:00","source":"CSAF","sourceUrl":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98597.json","references":[{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98597.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-98597"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2554959"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98597"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98597"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-98597.mbox"},{"url":"https://git.kernel.org/stable/c/92d88c88390fc62444c00a1a22078f838e03891f"},{"url":"https://git.kernel.org/stable/c/baf07d5153d3af8f98e65e2d3566bc0d50c4e3ac"},{"url":"https://git.kernel.org/stable/c/8488779d9bddbdb33588c9fc2c0657a3da773f61"},{"url":"https://git.kernel.org/stable/c/e1f5b74edccf4c9b671b6bce4435a98746fe5167"},{"url":"https://git.kernel.org/stable/c/9b59b00890c5dea355b4cc8795ab8eeafc044e48"},{"url":"https://git.kernel.org/stable/c/6ab6c9d120b30c94579192ef83a581a3dda6d79c"},{"url":"https://git.kernel.org/stable/c/05b442709bd5256c6c0e11fe56b9a0cb2455c245"},{"url":"https://git.kernel.org/stable/c/c06bde80ae7a7b595732f7cabcb92cf08db9d56a"}],"tags":["csaf","vex","red-hat","cve.org"],"epss":0.00177,"epssPercentile":0.07169,"ingestedAt":"2026-10-18T15:45:12.246Z","slug":"CVE-2026-98597","body":"## Overview\n\nA flaw was found in the Linux kernel's sr9700 USB Ethernet driver. When processing incoming packets, the driver fails to properly account for packet header overhead during buffer length validation. An attacker capable of sending crafted packet data could trigger an out-of-bounds read, leading to a Denial of Service (DoS) via a system crash.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · updated 2026-10-20 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-98597.json)\n\n**kernel: net: usb: sr9700: include receive overhead in the length check** — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-20.\n\nAffected:\n\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\nNo fix planned:\n\n- Red Hat Enterprise Linux 8\n- Red Hat Enterprise Linux 9\n- Red Hat OpenShift Container Platform 4\n\nNot affected:\n\n- Red Hat Enterprise Linux 10\n- Red Hat Enterprise Linux 6\n- Red Hat Enterprise Linux 7\n\n## Remediation\n\nFix deferred","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":225712,"id":"CVE-2026-98597","ts":1792498382748,"field":"cvss","old":null,"new":"6.5"},{"seq":225711,"id":"CVE-2026-98597","ts":1792498382748,"field":"severity","old":"none","new":"medium"}]}