5.7 Medium
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.6 Medium
AI Score
Confidence
High
2.7 Low
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:L/Au:S/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.2%
Issue Overview:
An issue was found in the Linux kernel’s IPv6 TCP connection tracking code, which could lead to high CPU usage with certain traffic patterns. (CVE-2023-1206)
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-4.14.318-241.531.amzn2.aarch64
kernel-headers-4.14.318-241.531.amzn2.aarch64
kernel-debuginfo-common-aarch64-4.14.318-241.531.amzn2.aarch64
perf-4.14.318-241.531.amzn2.aarch64
perf-debuginfo-4.14.318-241.531.amzn2.aarch64
python-perf-4.14.318-241.531.amzn2.aarch64
python-perf-debuginfo-4.14.318-241.531.amzn2.aarch64
kernel-tools-4.14.318-241.531.amzn2.aarch64
kernel-tools-devel-4.14.318-241.531.amzn2.aarch64
kernel-tools-debuginfo-4.14.318-241.531.amzn2.aarch64
kernel-devel-4.14.318-241.531.amzn2.aarch64
kernel-debuginfo-4.14.318-241.531.amzn2.aarch64
i686:
kernel-headers-4.14.318-241.531.amzn2.i686
src:
kernel-4.14.318-241.531.amzn2.src
x86_64:
kernel-4.14.318-241.531.amzn2.x86_64
kernel-headers-4.14.318-241.531.amzn2.x86_64
kernel-debuginfo-common-x86_64-4.14.318-241.531.amzn2.x86_64
perf-4.14.318-241.531.amzn2.x86_64
perf-debuginfo-4.14.318-241.531.amzn2.x86_64
python-perf-4.14.318-241.531.amzn2.x86_64
python-perf-debuginfo-4.14.318-241.531.amzn2.x86_64
kernel-tools-4.14.318-241.531.amzn2.x86_64
kernel-tools-devel-4.14.318-241.531.amzn2.x86_64
kernel-tools-debuginfo-4.14.318-241.531.amzn2.x86_64
kernel-devel-4.14.318-241.531.amzn2.x86_64
kernel-debuginfo-4.14.318-241.531.amzn2.x86_64
kernel-livepatch-4.14.318-241.531-1.0-0.amzn2.x86_64
Red Hat: CVE-2023-1206
Mitre: CVE-2023-1206
5.7 Medium
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
6.6 Medium
AI Score
Confidence
High
2.7 Low
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:L/Au:S/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
5.2%