{"id":"CVE-2025-21830","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nlandlock: Handle weird files\n\nA corrupted filesystem (e.g","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nlandlock: Handle weird files\n\nA corrupted filesystem (e.g. bcachefs) might return weird files.\nInstead of throwing a warning and allowing access to such file, treat\nthe…","severity":"high","cvss":7.3,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H","cwe":["CWE-20"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.13, < 5.15.179","linux_kernel >= 5.16, < 6.1.129","linux_kernel >= 6.2, < 6.6.76","linux_kernel >= 6.7, < 6.12.13","linux_kernel >= 6.13, < 6.13.2"],"patched":["linux_kernel 6.13.2"],"published":"2025-03-06","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:18:09.603","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-21830","references":[{"url":"https://git.kernel.org/stable/c/0fde195a373ab1267e60baa9e1a703a97e7464cd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2569e65d2eb6ac1afe6cb6dfae476afee8b6771a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/39bb3d56f1c351e76bb18895d0e73796e653d5c1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/49440290a0935f428a1e43a5ac8dc275a647ff80","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7d6121228959ddf44a4b9b6a177384ac7854e2f9","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a1fccf6b72b56343dd4f2d96b008147f9951eebd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-784472.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-21830.json"},{"url":"https://access.redhat.com/security/cve/CVE-2025-21830"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2350405"},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-21830"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21830"},{"url":"https://lore.kernel.org/linux-cve-announce/2025030611-CVE-2025-21830-da64@gregkh/T"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00184,"epssPercentile":0.07905,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T21:43:09.623797Z"},"scores":{"nvd":7.3,"vendor":5.5},"ingestedAt":"2026-07-30T06:53:10.353Z","slug":"CVE-2025-21830","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nlandlock: Handle weird files\n\nA corrupted filesystem (e.g. bcachefs) might return weird files.\nInstead of throwing a warning and allowing access to such file, treat\nthem as regular files.\n\n## Affected\n\n- `linux_kernel >= 5.13, < 5.15.179`\n- `linux_kernel >= 5.16, < 6.1.129`\n- `linux_kernel >= 6.2, < 6.6.76`\n- `linux_kernel >= 6.7, < 6.12.13`\n- `linux_kernel >= 6.13, < 6.13.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.13.2`\n\n## Vendor advisories\n\n- **Red Hat VEX** · Low · 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/2025/cve-2025-21830.json)","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":40.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}