Description
Race condition in the store_int_with_restart() function in arch/x86/kernel/cpu/mcheck/mce.c in the Linux kernel through 4.15.7 allows local users to cause a denial of service (panic) by leveraging root access to write to the check_interval file in a /sys/devices/system/machinecheck/machinecheck<cpu number> directory. NOTE: a third party has indicated that this report is not security relevant
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://www.debian.org/security/2018/dsa-4187 ↗
- https://usn.ubuntu.com/3654-1/ ↗
- https://bugzilla.suse.com/show_bug.cgi?id=1084755 ↗
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=b3b7c4795ccab5be71f080774c45bbbcc75c2aaf ↗
- https://www.debian.org/security/2018/dsa-4188 ↗
- https://lkml.org/lkml/2018/3/2/970 ↗
- http://www.securityfocus.com/bid/103356 ↗
- https://usn.ubuntu.com/3654-2/ ↗
- https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html ↗
- https://usn.ubuntu.com/3656-1/ ↗