{"id":"CVE-2015-8970","details":"crypto/algif_skcipher.c in the Linux kernel before 4.4.2 does not verify that a setkey operation has been performed on an AF_ALG socket before an accept system call is processed, which allows local users to cause a denial of service (NULL pointer dereference and system crash) via a crafted application that does not supply a key, related to the lrw_crypt function in crypto/lrw.c.","modified":"2026-04-10T03:45:38.967800Z","published":"2016-11-28T03:59:02Z","related":["SUSE-SU-2017:0494-1","SUSE-SU-2017:1301-1","SUSE-SU-2017:2342-1"],"references":[{"type":"ADVISORY","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dd504589577d8e8e70f51f997ad487a4cb6c026f"},{"type":"ADVISORY","url":"http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.2"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2016/11/04/3"},{"type":"ADVISORY","url":"http://www.securityfocus.com/bid/94217"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:1842"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2077"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2437"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2017:2444"},{"type":"ADVISORY","url":"https://github.com/torvalds/linux/commit/dd504589577d8e8e70f51f997ad487a4cb6c026f"},{"type":"ARTICLE","url":"http://www.openwall.com/lists/oss-security/2016/11/04/3"},{"type":"FIX","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dd504589577d8e8e70f51f997ad487a4cb6c026f"},{"type":"FIX","url":"https://github.com/torvalds/linux/commit/dd504589577d8e8e70f51f997ad487a4cb6c026f"},{"type":"REPORT","url":"http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dd504589577d8e8e70f51f997ad487a4cb6c026f"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1386286"},{"type":"REPORT","url":"https://github.com/torvalds/linux/commit/dd504589577d8e8e70f51f997ad487a4cb6c026f"},{"type":"WEB","url":"https://groups.google.com/forum/#%21msg/syzkaller/frb2XrB5aWk/xCXzkIBcDAAJ"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}