{"id":"CVE-2025-37998","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nopenvswitch: Fix unsafe attribute parsing in output_userspace()\n\nThis patch replaces the manual Netlink attribute iteration in\noutput_userspace() with nla_for_each_nest…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nopenvswitch: Fix unsafe attribute parsing in output_userspace()\n\nThis patch replaces the manual Netlink attribute iteration in\noutput_userspace() with nla_for_each_nest…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 3.3, < 5.4.294","linux_kernel >= 5.5, < 5.10.238","linux_kernel >= 5.11, < 5.15.183","linux_kernel >= 5.16, < 6.1.139","linux_kernel >= 6.2, < 6.6.91","linux_kernel >= 6.7, < 6.12.29","linux_kernel >= 6.13, < 6.14.7","linux_kernel = 6.15","debian_linux = 11.0"],"patched":["linux_kernel 6.14.7"],"published":"2025-05-29","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:18:23.787","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-37998","references":[{"url":"https://git.kernel.org/stable/c/0236742bd959332181c1fcc41a05b7b709180501","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/06b4f110c79716c181a8c5da007c259807840232","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/47f7f00cf2fa3137d5c0416ef1a71bdf77901395","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4fa672cbce9c86c3efb8621df1ae580d47813430","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6712dc21506738f5f22b4f68b7c0d9e0df819dbd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6beb6835c1fbb3f676aebb51a5fee6b77fed9308","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bca8df998cce1fead8cbc69144862eadc2e34c87","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ec334aaab74705cc515205e1da3cb369fdfd93cd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-25-307/","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/08/msg00010.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"epss":0.00269,"epssPercentile":0.18921,"zeroDay":true,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T21:46:40.143387Z"},"ingestedAt":"2026-10-15T22:48:25.488Z","slug":"CVE-2025-37998","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nopenvswitch: Fix unsafe attribute parsing in output_userspace()\n\nThis patch replaces the manual Netlink attribute iteration in\noutput_userspace() with nla_for_each_nested(), which ensures that only\nwell-formed attributes are processed.\n\n## Affected\n\n- `linux_kernel >= 3.3, < 5.4.294`\n- `linux_kernel >= 5.5, < 5.10.238`\n- `linux_kernel >= 5.11, < 5.15.183`\n- `linux_kernel >= 5.16, < 6.1.139`\n- `linux_kernel >= 6.2, < 6.6.91`\n- `linux_kernel >= 6.7, < 6.12.29`\n- `linux_kernel >= 6.13, < 6.14.7`\n- `linux_kernel = 6.15`\n- `debian_linux = 11.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.14.7`","depth":"abyssal","depthScore":68,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":25,"ransomware":0},"changes":[]}