UBUNTU-CVE-2017-18255
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.
02 / AFFECTED SOFTWARE
Affected packages
136 explicit affected versions
14 explicit affected versions
54 explicit affected versions
76 explicit affected versions
35 explicit affected versions
5 explicit affected versions
26 explicit affected versions
15 explicit affected versions
49 explicit affected versions
46 explicit affected versions
26 explicit affected versions
51 explicit affected versions
6 explicit affected versions
12 explicit affected versions
1 explicit affected versions
1 explicit affected versions
23 explicit affected versions
7 explicit affected versions
7 explicit affected versions
8 explicit affected versions
7 explicit affected versions
1 explicit affected versions
61 explicit affected versions
3 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1572e45a924f254d9570093abde46430c3172e3d
- https://github.com/torvalds/linux/commit/1572e45a924f254d9570093abde46430c3172e3d
- https://ubuntu.com/security/CVE-2017-18255
- https://ubuntu.com/security/notices/USN-3696-1
- https://ubuntu.com/security/notices/USN-3696-2
- https://ubuntu.com/security/notices/USN-3754-1
- https://www.cve.org/CVERecord?id=CVE-2017-18255