Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.11 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1572e4PatchVendor Advisory
- http://www.securityfocus.com/bid/103607
- https://github.com/torvalds/linux/commit/1572e45a924f254d9570093abde46430c3172e3PatchThird Party Advisory
- 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/
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1572e4PatchVendor Advisory
- http://www.securityfocus.com/bid/103607
- https://github.com/torvalds/linux/commit/1572e45a924f254d9570093abde46430c3172e3PatchThird Party Advisory
- 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/
FAQ
What is CVE-2017-18255?
CVE-2017-18255 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 o...
How severe is CVE-2017-18255?
CVE-2017-18255 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-18255?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.