{"cve":"CVE-2024-49877","nvd":{"published":"2024-10-21T18:15:09.657","modified":"2026-06-17T08:00:38.360","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate\n\nWhen doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger\nNULL pointer dereference in the following ocfs2_set_buffer_uptodate() if\nbh is NULL.","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/01cb2e751cc61ade454c9bc1aaa2eac1f8197112","https://git.kernel.org/stable/c/190d98bcd61117a78fe185222d162180f061a6ca","https://git.kernel.org/stable/c/33b525cef4cff49e216e4133cc48452e11c0391e","https://git.kernel.org/stable/c/46b1edf0536a5291a8ad2337f88c926214b209d9","https://git.kernel.org/stable/c/4846e72ab5a0726e49ad4188b9d9df091ae78c64"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:56:33.105311382+00:00"},"epss":{"cve":"CVE-2024-49877","score":0.0025,"percentile":0.16385,"date":"2026-10-31"},"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."]}