In the Linux kernel before 4.9.3, fs/xfs/xfs_aops.c allows local users to cause a denial of service (system crash) because there is a race condition between direct and memory-mapped I/O (associated with a hole) that is handled with BUG_ON instead of an I/O failure.
http://www.securityfocus.com/bid/106822
https://bugzilla.suse.com/show_bug.cgi?id=1124010
https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.3
https://github.com/torvalds/linux/commit/04197b341f23b908193308b8d63d17ff23232598
https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html
https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html
Source: MITRE
Published: 2019-02-01
Updated: 2019-04-18
Type: CWE-362
Base Score: 4.7
Vector: AV:L/AC:M/Au:N/C:N/I:N/A:C
Impact Score: 6.9
Exploitability Score: 3.4
Severity: MEDIUM
Base Score: 4.7
Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Impact Score: 3.6
Exploitability Score: 1
Severity: MEDIUM