Description

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.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=04197b341f23b908193308b8d63d17ff23232598

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

Details

Risk Information

CVSS v2

CVSS v3