{"id":"CVE-2020-11494","details":"An issue was discovered in slc_bump in drivers/net/can/slcan.c in the Linux kernel 3.16 through 5.6.2. It allows attackers to read uninitialized can_frame data, potentially containing sensitive information from kernel stack memory, if the configuration lacks CONFIG_INIT_STACK_ALL, aka CID-b9258a2cece4.","modified":"2026-03-15T22:32:22.126277Z","published":"2020-04-02T21:15:13.613Z","related":["MGASA-2020-0183","MGASA-2020-0184","SUSE-SU-2020:1084-1","SUSE-SU-2020:1085-1","SUSE-SU-2020:1087-1","SUSE-SU-2020:1118-1","SUSE-SU-2020:1119-1","SUSE-SU-2020:1123-1","SUSE-SU-2020:1141-1","SUSE-SU-2020:1142-1","SUSE-SU-2020:1146-1","SUSE-SU-2020:1255-1","SUSE-SU-2020:1275-1","SUSE-SU-2020:1663-1","openSUSE-SU-2020:0543-1"],"references":[{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00035.html"},{"type":"ADVISORY","url":"http://packetstormsecurity.com/files/159565/Kernel-Live-Patch-Security-Notice-LSN-0072-1.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4368-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4369-1/"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4698"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20200430-0004/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4363-1/"},{"type":"ADVISORY","url":"https://usn.ubuntu.com/4364-1/"},{"type":"FIX","url":"https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=08fadc32ce6239dc75fd5e869590e29bc62bbc28"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/b9258a2cece4ec1f020715fe3554bc2e360f6264"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-11494.json","unresolved_ranges":[{"events":[{"introduced":"3.16"},{"last_affected":"5.6.2"}]},{"events":[{"introduced":"0"},{"last_affected":"15.1"}]},{"events":[{"introduced":"0"},{"last_affected":"8.0"}]},{"events":[{"introduced":"0"},{"last_affected":"9.0"}]},{"events":[{"introduced":"0"},{"last_affected":"14.04"}]},{"events":[{"introduced":"0"},{"last_affected":"16.04"}]},{"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:H/UI:N/S:U/C:H/I:N/A:N"}]}