{"id":"CVE-2026-74258","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Guard __get_user acesss with access_ok for uprobe_multi data\n\nAs reported by sashiko [1] we need to use access_ok to check the user\nspace data bounds before we use…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Guard __get_user acesss with access_ok for uprobe_multi data\n\nAs reported by sashiko [1] we need to use access_ok to check the user\nspace data bounds before we use…","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","cwe":["CWE-125"],"vendor":"Linux","product":"Linux","affected":["Linux >= 89ae89f53d201143560f1e9ed4bfa62eee34f88e < ff6c5ee77dcc98381290d16af53f6262625870a6","Linux >= 89ae89f53d201143560f1e9ed4bfa62eee34f88e < 2c387db784293256d35fd3d438f577cc82bb823d","Linux >= 89ae89f53d201143560f1e9ed4bfa62eee34f88e < a9f1395028c2bbe18e57864cc355c11faff488cb","Linux >= 89ae89f53d201143560f1e9ed4bfa62eee34f88e < c6d51ad36490013ee9df94a372d3bf794bd304d1","Linux >= 89ae89f53d201143560f1e9ed4bfa62eee34f88e < 4d87a251d45b4a95eb4c0abcfab809c9f231258a","Linux 6.6"],"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:17:34.650","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74258","references":[{"url":"https://git.kernel.org/stable/c/2c387db784293256d35fd3d438f577cc82bb823d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4d87a251d45b4a95eb4c0abcfab809c9f231258a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a9f1395028c2bbe18e57864cc355c11faff488cb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c6d51ad36490013ee9df94a372d3bf794bd304d1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ff6c5ee77dcc98381290d16af53f6262625870a6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74258.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-74258"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516839"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74258"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74258"},{"url":"https://lore.kernel.org/linux-cve-announce/2026081541-CVE-2026-74258-264a@gregkh/T"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"epss":0.00168,"epssPercentile":0.06063,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T18:51:32.873038Z"},"scores":{"nvd":7.8,"vendor":5.5},"ingestedAt":"2026-09-21T13:37:22.841Z","slug":"CVE-2026-74258","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbpf: Guard __get_user acesss with access_ok for uprobe_multi data\n\nAs reported by sashiko [1] we need to use access_ok to check the user\nspace data bounds before we use __get-user to get it.\n\n[1] https://lore.kernel.org/bpf/20260610145235.CB1441F00893@smtp.kernel.org/\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9 · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74258.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}