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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
13.3%
Issue Overview:
An issue has been reported in the Linux kernel’s handling of raw sockets. This issue can be used locally to cause denial of service or local privilege escalation from unprivileged processes or from containers with the CAP_NET_RAW capability enabled.
See Also:
https://marc.info/?l=linux-netdev&m=159915549623724&w=2
https://www.openwall.com/lists/oss-security/2020/09/03/3
https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-14386 (cve-2020-14386)
Affected Packages:
kernel
Issue Correction:
Run yum update kernel to update your system.
New Packages:
i686:
kernel-tools-devel-4.14.193-113.317.amzn1.i686
kernel-4.14.193-113.317.amzn1.i686
kernel-debuginfo-4.14.193-113.317.amzn1.i686
perf-debuginfo-4.14.193-113.317.amzn1.i686
perf-4.14.193-113.317.amzn1.i686
kernel-tools-4.14.193-113.317.amzn1.i686
kernel-tools-debuginfo-4.14.193-113.317.amzn1.i686
kernel-debuginfo-common-i686-4.14.193-113.317.amzn1.i686
kernel-devel-4.14.193-113.317.amzn1.i686
kernel-headers-4.14.193-113.317.amzn1.i686
src:
kernel-4.14.193-113.317.amzn1.src
x86_64:
kernel-tools-4.14.193-113.317.amzn1.x86_64
kernel-debuginfo-4.14.193-113.317.amzn1.x86_64
kernel-debuginfo-common-x86_64-4.14.193-113.317.amzn1.x86_64
kernel-4.14.193-113.317.amzn1.x86_64
kernel-headers-4.14.193-113.317.amzn1.x86_64
perf-4.14.193-113.317.amzn1.x86_64
kernel-tools-devel-4.14.193-113.317.amzn1.x86_64
perf-debuginfo-4.14.193-113.317.amzn1.x86_64
kernel-tools-debuginfo-4.14.193-113.317.amzn1.x86_64
kernel-devel-4.14.193-113.317.amzn1.x86_64
Red Hat: CVE-2020-14386
Mitre: CVE-2020-14386
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:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
13.3%