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
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
69.1%
Issue Overview:
The USB subsystem mishandles size checks during the reading of an extra descriptor, related to __usb_get_extra_descriptor in drivers/usb/core/usb.c.(CVE-2018-20169)
A flaw was found where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly impersonate AF_VSOCK messages destined to other clients or leak kernel memory.(CVE-2018-14625)
Affected Packages:
kernel
Issue Correction:
Run yum update kernel to update your system.
New Packages:
i686:
kernel-debuginfo-common-i686-4.14.88-72.76.amzn1.i686
kernel-tools-devel-4.14.88-72.76.amzn1.i686
kernel-headers-4.14.88-72.76.amzn1.i686
kernel-tools-debuginfo-4.14.88-72.76.amzn1.i686
kernel-devel-4.14.88-72.76.amzn1.i686
kernel-tools-4.14.88-72.76.amzn1.i686
kernel-debuginfo-4.14.88-72.76.amzn1.i686
perf-4.14.88-72.76.amzn1.i686
kernel-4.14.88-72.76.amzn1.i686
perf-debuginfo-4.14.88-72.76.amzn1.i686
src:
kernel-4.14.88-72.76.amzn1.src
x86_64:
kernel-devel-4.14.88-72.76.amzn1.x86_64
kernel-tools-4.14.88-72.76.amzn1.x86_64
perf-debuginfo-4.14.88-72.76.amzn1.x86_64
kernel-headers-4.14.88-72.76.amzn1.x86_64
kernel-debuginfo-common-x86_64-4.14.88-72.76.amzn1.x86_64
kernel-tools-devel-4.14.88-72.76.amzn1.x86_64
kernel-tools-debuginfo-4.14.88-72.76.amzn1.x86_64
kernel-4.14.88-72.76.amzn1.x86_64
perf-4.14.88-72.76.amzn1.x86_64
kernel-debuginfo-4.14.88-72.76.amzn1.x86_64
Red Hat: CVE-2018-14625, CVE-2018-20169
Mitre: CVE-2018-14625, CVE-2018-20169
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
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
Percentile
69.1%