{"id":"CVE-2024-53217","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: Prevent NULL dereference in nfsd4_process_cb_update()\n\n@ses is initialized to NULL","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: Prevent NULL dereference in nfsd4_process_cb_update()\n\n@ses is initialized to NULL. If __nfsd4_find_backchannel() finds no\navailable backchannel session, setup_ca…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 2.6.38, < 4.19.325","linux_kernel >= 4.20, < 5.4.287","linux_kernel >= 5.5, < 5.10.231","linux_kernel >= 5.11, < 5.15.174","linux_kernel >= 5.16, < 6.1.120","linux_kernel >= 6.2, < 6.6.64","linux_kernel >= 6.7, < 6.11.11","linux_kernel >= 6.12, < 6.12.2"],"patched":["linux_kernel 6.12.2"],"published":"2024-12-27","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:19:15.683","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-53217","references":[{"url":"https://git.kernel.org/stable/c/03178cd8f67227015debb700123987fe96275cd1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0c3b0e326f838787d229314d4de83af9c53347e8","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1e02c641c3a43c88cecc08402000418e15578d38","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4a4ffc1aa9d618e41ad9151f40966e402e58a5a2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/752a75811f27300fe8131b0a1efc91960f6f88e7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c5d90f9302742985a5078e42ac38de42c364c44a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/cac1405e3ff6685a438e910ad719e0cf06af90ee","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d9a0d1f6e15859ea7a86a327f28491e23deaaa62","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/eb51733ae5fc73d95bd857d5da26f9f65b202a79","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-355557.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.0073,"epssPercentile":0.54066,"ingestedAt":"2026-10-15T03:30:12.772Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2025-10-01T20:03:26.697178Z"},"slug":"CVE-2024-53217","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nNFSD: Prevent NULL dereference in nfsd4_process_cb_update()\n\n@ses is initialized to NULL. If __nfsd4_find_backchannel() finds no\navailable backchannel session, setup_callback_client() will try to\ndereference @ses and segfault.\n\n## Affected\n\n- `linux_kernel >= 2.6.38, < 4.19.325`\n- `linux_kernel >= 4.20, < 5.4.287`\n- `linux_kernel >= 5.5, < 5.10.231`\n- `linux_kernel >= 5.11, < 5.15.174`\n- `linux_kernel >= 5.16, < 6.1.120`\n- `linux_kernel >= 6.2, < 6.6.64`\n- `linux_kernel >= 6.7, < 6.11.11`\n- `linux_kernel >= 6.12, < 6.12.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.12.2`","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}