Integer overflow in Linux Kernel
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.
Vulnerability class: Integer Overflow
EPSS: 0.004 (32.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST)
- cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (vdb-entry, x_refsource_BID)
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory)
- cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2017-18255?
- CVE-2017-18255 is a high-severity vulnerability in Linux Kernel, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2018-03-31.
- How severe is CVE-2017-18255?
- High severity. CVSS v3 base score is 7.8 out of 10.