{"id":"CVE-2026-74330","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nconfigfs: fix lockless traversals of ->s_children\n\nHaving the parent directory locked protects entries from removal\nby another thread, but it does *not* protect cursors…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nconfigfs: fix lockless traversals of ->s_children\n\nHaving the parent directory locked protects entries from removal\nby another thread, but it does *not* protect cursors…","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-367"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux 9","affected":["enterprise_linux 10","enterprise_linux 6","enterprise_linux 7","enterprise_linux 8","enterprise_linux 9"],"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:17:39.690","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74330","references":[{"url":"https://git.kernel.org/stable/c/459860529c109c5ce08b81c0776ca1200eaaeb4a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/637ef4961470e04455102b34ac484a34d8eca0a4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/77fd6f50f633a52c2db061e7d71d8cb486b0265e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/91f289728ec706b7ff1ca0ee845dd73ff2253488","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9b9e8bb81c41fd27e7b57a1c936fde140548535f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9e57e2863872e82e7c7237bc32299f67ebebc543","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b166ab78dc3f48e83d2c80bdfde4159b31fdc5fb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e6d93108e0a27d7e6f95c7e45017d14ba2900d32","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74330.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-74330"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2516824"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74330"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74330"},{"url":"https://lore.kernel.org/linux-cve-announce/2026081555-CVE-2026-74330-c5e9@gregkh/T"}],"tags":["nvd","csaf","vex","red-hat","cve.org","score-dispute"],"epss":0.00129,"epssPercentile":0.02539,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-16T18:53:38.426729Z"},"scores":{"nvd":7.8,"vendor":5.5,"cna":7.8},"ingestedAt":"2026-10-16T19:46:24.379Z","slug":"CVE-2026-74330","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nconfigfs: fix lockless traversals of ->s_children\n\nHaving the parent directory locked protects entries from removal\nby another thread, but it does *not* protect cursors from being\nmoved around by lseek() - or freed, for that matter.\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 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, … · updated 2026-10-16 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-74330.json)","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":230331,"id":"CVE-2026-74330","ts":1793130918670,"field":"cvss","old":"5.5","new":"7.8"},{"seq":230330,"id":"CVE-2026-74330","ts":1793130918670,"field":"severity","old":"medium","new":"high"},{"seq":223609,"id":"CVE-2026-74330","ts":1792238336797,"field":"cvss","old":"7.8","new":"5.5"},{"seq":223608,"id":"CVE-2026-74330","ts":1792238336797,"field":"severity","old":"high","new":"medium"}]}