{"id":"CVE-2019-19602","details":"fpregs_state_valid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact because of incorrect fpu_fpregs_owner_ctx caching, as demonstrated by mishandling of signal-based non-cooperative preemption in Go 1.14 prereleases on amd64, aka CID-59c4bd853abc.","modified":"2026-03-12T23:10:12.683116Z","published":"2019-12-05T14:15:09.257Z","references":[{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200103-0001/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4284-1/"},{"type":"ADVISORY","url":"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2"},{"type":"REPORT","url":"https://bugzilla.kernel.org/show_bug.cgi?id=205663"},{"type":"REPORT","url":"https://github.com/golang/go/issues/35777#issuecomment-561935388"},{"type":"EVIDENCE","url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=59c4bd853abcea95eccc167a7d7fd5f1a5f47b98"},{"type":"EVIDENCE","url":"https://github.com/torvalds/linux/commit/59c4bd853abcea95eccc167a7d7fd5f1a5f47b98"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2019-19602.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"5.4.2"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"last_affected":"19.10"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L"}]}