USN-5485-1: Linux kernel vulnerabilities
It was discovered that some Intel processors did not completely perform cleanup actions on multi-core shared buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21123) It was discovered that some Intel processors did not completely perform cleanup actions on microarchitectural fill buffers. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21125) It was discovered that some Intel processors did not properly perform cleanup during specific special register write operations. A local attacker could possibly use this to expose sensitive information. (CVE-2022-21166)
Affected Software
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of USN-5485-1?
The severity of USN-5485-1 is classified as medium due to the potential exposure of sensitive information.
How do I fix USN-5485-1?
To fix USN-5485-1, you should update your affected Ubuntu system to the latest kernel version available.
What products does USN-5485-1 affect?
USN-5485-1 affects multiple versions of the Ubuntu operating system running specific Linux kernel packages.
Is there a workaround for USN-5485-1?
There is no known workaround for USN-5485-1; updating to a patched version is recommended.
What is CVE-2022-21123 referenced in USN-5485-1?
CVE-2022-21123 is a vulnerability found in certain Intel processors that may allow local attackers to disclose sensitive information.