{"cve":"CVE-2024-56774","nvd":{"published":"2025-01-08T18:15:18.213","modified":"2026-06-17T08:12:57.657","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: add a sanity check for btrfs root in btrfs_search_slot()\n\nSyzbot reports a null-ptr-deref in btrfs_search_slot().\n\nThe reproducer is using rescue=ibadroots, and the extent tree root is\ncorrupted thus the extent tree is NULL.\n\nWhen scrub tries to search the extent tree to gather the needed extent\ninfo, btrfs_search_slot() doesn't check if the target root is NULL or\nnot, resulting the null-ptr-deref.\n\nAdd sanity check for btrfs root before using it in btrfs_search_slot().","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/3ed51857a50f530ac7a1482e069dfbd1298558d4","https://git.kernel.org/stable/c/757171d1369b3b47f36932d40a05a0715496dcab","https://git.kernel.org/stable/c/93992c3d9629b02dccf6849238559d5c24f2dece","https://git.kernel.org/stable/c/c71d114ef68c95da5a82ec85a721ab31f5bd905b","https://git.kernel.org/stable/c/db66fb87c21e8ae724886e6a464dcbac562a64c6"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:58:20.756570362+00:00"},"epss":{"cve":"CVE-2024-56774","score":0.00207,"percentile":0.10813,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}