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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector : AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/torvalds/linux/commit/1572e45a924f254d9570093abde46430c3172e3d	Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1572e45a924f254d9570093abde46430c3172e3d	Patch Vendor Advisory
https://usn.ubuntu.com/3696-2/
https://usn.ubuntu.com/3696-1/
https://lists.debian.org/debian-lts-announce/2018/07/msg00020.html
https://usn.ubuntu.com/3754-1/
http://www.securityfocus.com/bid/103607

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Information

Published : 2018-03-31 10:29

Updated : 2019-01-19 03:29

NVD link : CVE-2017-18255

Mitre link : CVE-2017-18255

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

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Products Affected

linux

linux_kernel

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