{"id":"CVE-2025-37940","summary":"ftrace: Add cond_resched() to ftrace_graph_set_hash()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Add cond_resched() to ftrace_graph_set_hash()\n\nWhen the kernel contains a large number of functions that can be traced,\nthe loop in ftrace_graph_set_hash() may take a lot of time to execute.\nThis may trigger the softlockup watchdog.\n\nAdd cond_resched() within the loop to allow the kernel to remain\nresponsive even when processing a large number of functions.\n\nThis matches the cond_resched() that is used in other locations of the\ncode that iterates over all functions that can be traced.","modified":"2026-04-02T12:47:39.027842Z","published":"2025-05-20T15:58:17.634Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37940.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1fce9574b9d515bcb8a75379a8053e18602424e3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/42ea22e754ba4f2b86f8760ca27f6f71da2d982c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4429535acab750d963fdc3dfcc9e0eee42f4d599"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5d336ac215e5c76e43ef4bca9ba699835e53e2fd"},{"type":"WEB","url":"https://git.kernel.org/stable/c/618655d54c5f8af5d57b77491d08c0f0ff77d114"},{"type":"WEB","url":"https://git.kernel.org/stable/c/72be43ff061a889c6ee648a330a42486cafa15a6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8dd7d7280357596ba63dfdb4c1725d9dd24bd42a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dd38803c9088b848c6b56f4f6d7efc4497bfde61"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e5b4ae6f01d4a510d5725eca7254519a1093920d"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/37xxx/CVE-2025-37940.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-37940"},{"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":"b9b0c831bed2682c2e3e9f5420fb6985549ef020"},{"fixed":"e5b4ae6f01d4a510d5725eca7254519a1093920d"},{"fixed":"618655d54c5f8af5d57b77491d08c0f0ff77d114"},{"fixed":"dd38803c9088b848c6b56f4f6d7efc4497bfde61"},{"fixed":"8dd7d7280357596ba63dfdb4c1725d9dd24bd42a"},{"fixed":"5d336ac215e5c76e43ef4bca9ba699835e53e2fd"},{"fixed":"1fce9574b9d515bcb8a75379a8053e18602424e3"},{"fixed":"4429535acab750d963fdc3dfcc9e0eee42f4d599"},{"fixed":"72be43ff061a889c6ee648a330a42486cafa15a6"},{"fixed":"42ea22e754ba4f2b86f8760ca27f6f71da2d982c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-37940.json"}}],"schema_version":"1.7.5"}