CVE-2017-18255
linux-4.9 - security update
7.8
HIGH
CVSS 3.1
EPSS 0.11%
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.
How to fix CVE-2017-18255
To remediate CVE-2017-18255, upgrade the affected package to a fixed version below.
- —upgrade to 4.11.6-1 or later
- —upgrade to 4.9.110-1~deb8u1 or later
Is CVE-2017-18255 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.11.6-1
- from 0, < 4.9.110-1~deb8u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |