CVSS2
Attack Vector
LOCAL
Attack 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
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
AI Score
Confidence
High
EPSS
Percentile
14.2%
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
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update kernel to update your system.
New Packages:
aarch64:
kernel-4.14.193-149.317.amzn2.aarch64
kernel-headers-4.14.193-149.317.amzn2.aarch64
kernel-debuginfo-common-aarch64-4.14.193-149.317.amzn2.aarch64
perf-4.14.193-149.317.amzn2.aarch64
perf-debuginfo-4.14.193-149.317.amzn2.aarch64
python-perf-4.14.193-149.317.amzn2.aarch64
python-perf-debuginfo-4.14.193-149.317.amzn2.aarch64
kernel-tools-4.14.193-149.317.amzn2.aarch64
kernel-tools-devel-4.14.193-149.317.amzn2.aarch64
kernel-tools-debuginfo-4.14.193-149.317.amzn2.aarch64
kernel-devel-4.14.193-149.317.amzn2.aarch64
kernel-debuginfo-4.14.193-149.317.amzn2.aarch64
i686:
kernel-headers-4.14.193-149.317.amzn2.i686
src:
kernel-4.14.193-149.317.amzn2.src
x86_64:
kernel-4.14.193-149.317.amzn2.x86_64
kernel-headers-4.14.193-149.317.amzn2.x86_64
kernel-debuginfo-common-x86_64-4.14.193-149.317.amzn2.x86_64
perf-4.14.193-149.317.amzn2.x86_64
perf-debuginfo-4.14.193-149.317.amzn2.x86_64
python-perf-4.14.193-149.317.amzn2.x86_64
python-perf-debuginfo-4.14.193-149.317.amzn2.x86_64
kernel-tools-4.14.193-149.317.amzn2.x86_64
kernel-tools-devel-4.14.193-149.317.amzn2.x86_64
kernel-tools-debuginfo-4.14.193-149.317.amzn2.x86_64
kernel-devel-4.14.193-149.317.amzn2.x86_64
kernel-debuginfo-4.14.193-149.317.amzn2.x86_64
kernel-livepatch-4.14.193-149.317-1.0-0.amzn2.x86_64
Red Hat: CVE-2020-14386
Mitre: CVE-2020-14386
CVSS2
Attack Vector
LOCAL
Attack 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
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
AI Score
Confidence
High
EPSS
Percentile
14.2%