CVE-2017-18255

2018-03-3100:00:00

ubuntu.com

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchlinux< 3.13.0-157.207UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-130.156UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1024.25UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1062.71UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.13.0-1002.5UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.13.0-26.29~16.04.2UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.13.0-26.29~16.04.2UNKNOWN
ubuntu16.04noarchlinux-kvm< 4.4.0-1029.34UNKNOWN
ubuntu14.04noarchlinux-lts-xenial< 4.4.0-130.156~14.04.1UNKNOWN
ubuntu16.04noarchlinux-raspi2< 4.4.0-1092.100UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	14.04	noarch	linux	< 3.13.0-157.207	UNKNOWN
ubuntu	16.04	noarch	linux	< 4.4.0-130.156	UNKNOWN
ubuntu	14.04	noarch	linux-aws	< 4.4.0-1024.25	UNKNOWN
ubuntu	16.04	noarch	linux-aws	< 4.4.0-1062.71	UNKNOWN
ubuntu	16.04	noarch	linux-gcp	< 4.13.0-1002.5	UNKNOWN
ubuntu	16.04	noarch	linux-hwe	< 4.13.0-26.29~16.04.2	UNKNOWN
ubuntu	16.04	noarch	linux-hwe-edge	< 4.13.0-26.29~16.04.2	UNKNOWN
ubuntu	16.04	noarch	linux-kvm	< 4.4.0-1029.34	UNKNOWN
ubuntu	14.04	noarch	linux-lts-xenial	< 4.4.0-130.156~14.04.1	UNKNOWN
ubuntu	16.04	noarch	linux-raspi2	< 4.4.0-1092.100	UNKNOWN