Description
The perf_cpu_time_max_percent_handler function in kernel/events/core.c in the Linux kernel before 4.11 allows local users to cause a denial of service (integer overflow) or possibly have unspecified other impact via a large value, as demonstrated by an incorrect sample-rate calculation.
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://usn.ubuntu.com/3696-1/ ↗
- https://usn.ubuntu.com/3754-1/ ↗
- https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1572e45a924f254d9570093abde46430c3172e3d ↗
- http://www.securityfocus.com/bid/103607 ↗
- https://usn.ubuntu.com/3696-2/ ↗
- https://github.com/torvalds/linux/commit/1572e45a924f254d9570093abde46430c3172e3d ↗