{"id":"CVE-2025-21775","summary":"can: ctucanfd: handle skb allocation failure","details":"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.","modified":"2026-04-02T12:45:12.780170Z","published":"2025-02-27T02:18:21.019Z","related":["SUSE-SU-2025:01919-1","SUSE-SU-2025:1177-1","SUSE-SU-2025:1178-1","SUSE-SU-2025:1180-1","SUSE-SU-2025:20190-1","SUSE-SU-2025:20192-1","SUSE-SU-2025:20260-1","SUSE-SU-2025:20270-1","USN-7521-2"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21775.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/84b9ac59978a6a4e0812d1c938fad97306272cef"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9bd24927e3eeb85642c7baa3b28be8bea6c2a078"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b0e592dd46a0a952b41c3bf6c963afdd6a42b526"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e505b83b9ee6aa0ae2f4395f573a66579ae403fb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e7e2e2318b1f085044126ba553a4e619842fc36d"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21775.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21775"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2dcb8e8782d8e4c38903bf37b1a24d3ffd193da7"},{"fixed":"84b9ac59978a6a4e0812d1c938fad97306272cef"},{"fixed":"e505b83b9ee6aa0ae2f4395f573a66579ae403fb"},{"fixed":"b0e592dd46a0a952b41c3bf6c963afdd6a42b526"},{"fixed":"e7e2e2318b1f085044126ba553a4e619842fc36d"},{"fixed":"9bd24927e3eeb85642c7baa3b28be8bea6c2a078"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21775.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}