PT-2018-6780 · Linux+3 · Linux Kernel+3

Tan Xiaojun · Published 2017-07-12 · Updated 2020-05-26 · CVE-2017-18255

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 4.11

Description: The issue is related to the perf cpu time max percent handler function in the Linux kernel, which can cause a denial of service due to an integer overflow when a large value is provided. This may also have other unspecified impacts, such as incorrect sample-rate calculations.

Recommendations: For Linux kernel versions prior to 4.11, update to version 4.11 or later to resolve the issue.

Fix

DoS

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

ALT-PU-2017-1854

ALT-PU-2018-1991

CVE-2017-18255

DLA-1423-1

SUSE-SU-2020:1255-1

SUSE-SU-2020:1275-1

USN-3696-1

USN-3696-2

USN-3754-1

Affected Products

Alt Linux

Linux Kernel

Suse

Ubuntu

References · 237

• https://github.com/torvalds/linux/commit/1572e45a924f254d9570093abde46430c3172e3d · Patch
• https://ubuntu.com/security/CVE-2018-13094 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-16536 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3754-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-18255 · Security Note
• https://ubuntu.com/security/CVE-2017-16537 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-16535 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-18257 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-16643 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-18255 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-18255 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-13405 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-1423-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-7518 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-2584 · Vendor Advisory