{"id":"CVE-2018-15572","details":"The spectre_v2_select_mitigation function in arch/x86/kernel/cpu/bugs.c in the Linux kernel before 4.18.1 does not always fill RSB upon a context switch, which makes it easier for attackers to conduct userspace-userspace spectreRSB attacks.","modified":"2026-03-15T22:25:32.300225Z","published":"2018-08-20T02:29:00.263Z","related":["SUSE-SU-2018:2538-1","SUSE-SU-2018:2539-1","SUSE-SU-2018:2775-1","SUSE-SU-2018:2776-1","SUSE-SU-2018:2858-1","SUSE-SU-2018:2862-1","SUSE-SU-2018:2879-1","SUSE-SU-2018:2907-1","SUSE-SU-2018:3084-1","SUSE-SU-2018:3088-1","SUSE-SU-2018:3961-1","SUSE-SU-2019:1289-1"],"references":[{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2018/10/msg00003.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3776-2/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3777-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3777-3/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2018/dsa-4308"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3775-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3775-2/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3776-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/3777-2/"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fdf82a7856b32d905c39afc85e34364491e46346"},{"type":"FIX","url":"https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.18.1"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/fdf82a7856b32d905c39afc85e34364491e46346"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-15572.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"12.04"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"events":[{"introduced":"0"},{"last_affected":"18.04"}]},{"events":[{"introduced":"0"},{"fixed":"4.18.1"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"}]}