6.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
7 High
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
15.7%
Issue Overview:
In the Linux kernel, the following vulnerability has been resolved:
x86/kvm: Disable kvmclock on all CPUs on shutdown (CVE-2021-47110)
An issue was discovered in arch/x86/kvm/vmx/nested.c in the Linux kernel before 6.2.8. nVMX on x86_64 lacks consistency checks for CR0 and CR4. (CVE-2023-30456)
Affected Packages:
kernel
Issue Correction:
Run yum update kernel to update your system.
New Packages:
i686:
kernel-4.14.348-187.562.amzn1.i686
perf-4.14.348-187.562.amzn1.i686
kernel-tools-debuginfo-4.14.348-187.562.amzn1.i686
kernel-debuginfo-common-i686-4.14.348-187.562.amzn1.i686
kernel-tools-devel-4.14.348-187.562.amzn1.i686
kernel-debuginfo-4.14.348-187.562.amzn1.i686
kernel-headers-4.14.348-187.562.amzn1.i686
kernel-devel-4.14.348-187.562.amzn1.i686
perf-debuginfo-4.14.348-187.562.amzn1.i686
kernel-tools-4.14.348-187.562.amzn1.i686
src:
kernel-4.14.348-187.562.amzn1.src
x86_64:
kernel-headers-4.14.348-187.562.amzn1.x86_64
perf-4.14.348-187.562.amzn1.x86_64
kernel-4.14.348-187.562.amzn1.x86_64
kernel-debuginfo-4.14.348-187.562.amzn1.x86_64
perf-debuginfo-4.14.348-187.562.amzn1.x86_64
kernel-devel-4.14.348-187.562.amzn1.x86_64
kernel-tools-devel-4.14.348-187.562.amzn1.x86_64
kernel-debuginfo-common-x86_64-4.14.348-187.562.amzn1.x86_64
kernel-tools-4.14.348-187.562.amzn1.x86_64
kernel-tools-debuginfo-4.14.348-187.562.amzn1.x86_64
Red Hat: CVE-2021-47110, CVE-2023-30456
Mitre: CVE-2021-47110, CVE-2023-30456
6.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
7 High
AI Score
Confidence
Low
0.0004 Low
EPSS
Percentile
15.7%