CVE-2017-18255 Information
Share on: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.
CVSS Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Reference
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1572e45a924f254d9570093abde46430c3172e3d http://www.securityfocus.com/bid/103607 https://github.com/torvalds/linux/commit/1572e45a924f254d9570093abde46430c3172e3d https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html https://usn.ubuntu.com/3696-1/ https://usn.ubuntu.com/3696-2/ https://usn.ubuntu.com/3754-1/
Attack Complexity
LOW
Privileges Required
LOW
User Interaction Required
LOW
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
HIGH
Base Severity
7.8