{"cve":"CVE-2025-21775","nvd":{"published":"2025-02-27T03:15:18.167","modified":"2026-06-17T08:44:14.973","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncan: ctucanfd: handle skb allocation failure\n\nIf skb allocation fails, the pointer to struct can_frame is NULL. This\nis actually handled everywhere inside ctucan_err_interrupt() except for\nthe only place.\n\nAdd the missed NULL check.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE static\nanalysis tool.","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/84b9ac59978a6a4e0812d1c938fad97306272cef","https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078","https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526","https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fb","https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36d"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2025-21775","score":0.00222,"percentile":0.12767,"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."]}