{"id":"CVE-2025-21988","summary":"fs/netfs/read_collect: add to next-\u003eprev_donated","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nfs/netfs/read_collect: add to next-\u003eprev_donated\n\nIf multiple subrequests donate data to the same \"next\" request\n(depending on the subrequest completion order), each of them would\noverwrite the `prev_donated` field, causing data corruption and a\nBUG() crash (\"Can't donate prior to front\").","modified":"2026-05-18T05:59:14.142241107Z","published":"2025-04-02T12:53:12.170Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21988.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/62b9ad7e52d4777f7e775ee1f0ad2452f6041024"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e25cec3b76aba47a49138d2162fc809c6cd49c9e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e2d46f2ec332533816417b60933954173f602121"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21988.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21988"},{"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":"ee4cdf7ba857a894ad1650d6ab77669cbbfa329e"},{"fixed":"62b9ad7e52d4777f7e775ee1f0ad2452f6041024"},{"fixed":"e25cec3b76aba47a49138d2162fc809c6cd49c9e"},{"fixed":"e2d46f2ec332533816417b60933954173f602121"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21988.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.12.0"},{"fixed":"6.12.20"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.13.8"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21988.json"}}],"schema_version":"1.7.5"}