7.1 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
3.6 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:P/A:P
0.0004 Low
EPSS
Percentile
5.3%
In the Linux kernel before 4.13.5, a local user could create keyrings for
other users via keyctl commands, setting unwanted defaults or causing a
denial of service.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 17.10 | noarch | linux | < 4.13.0-17.20 | UNKNOWN |
ubuntu | 14.04 | noarch | linux | < 3.13.0-157.207 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-98.121 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1039.48 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-azure | < 4.13.0-1005.7 | 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 | < 4.4.0-1009.14 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-lts-xenial | < 4.4.0-98.121~14.04.1 | UNKNOWN |
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=237bbd29f7a049d310d907f4b2716a7feef9abf3
github.com/torvalds/linux/commit/237bbd29f7a049d310d907f4b2716a7feef9abf3
launchpad.net/bugs/cve/CVE-2017-18270
nvd.nist.gov/vuln/detail/CVE-2017-18270
security-tracker.debian.org/tracker/CVE-2017-18270
ubuntu.com/security/notices/USN-3754-1
www.cve.org/CVERecord?id=CVE-2017-18270
www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5
7.1 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
3.6 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:P/A:P
0.0004 Low
EPSS
Percentile
5.3%