{"id":"CVE-2017-15537","details":"The x86/fpu (Floating Point Unit) subsystem in the Linux kernel before 4.13.5, when a processor supports the xsave feature but not the xsaves feature, does not correctly handle attempts to set reserved bits in the xstate header via the ptrace() or rt_sigreturn() system call, allowing local users to read the FPU registers of other processes on the system, related to arch/x86/kernel/fpu/regset.c and arch/x86/kernel/fpu/signal.c.","modified":"2026-03-14T09:22:20.951401Z","published":"2017-10-17T18:29:00.197Z","references":[{"type":"WEB","url":"https://source.android.com/security/bulletin/pixel/2018-01-01"},{"type":"ADVISORY","url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=814fb7bb7db5433757d76f4c4502c96fc53b0b5e"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/814fb7bb7db5433757d76f4c4502c96fc53b0b5e"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-15537.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"4.13.4"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"}]}