Packages
- linux - Linux kernel
- linux-gcp - Linux kernel for Google Cloud Platform (GCP) systems
- linux-gcp-4.15 - Linux kernel for Google Cloud Platform (GCP) systems
- linux-gcp-5.4 - Linux kernel for Google Cloud Platform (GCP) systems
- linux-gke-4.15 - Linux kernel for Google Container Engine (GKE) systems
- linux-gke-5.3 - Linux kernel for Google Container Engine (GKE) systems
- linux-hwe - Linux hardware enablement (HWE) kernel
- linux-hwe-5.4 - Linux hardware enablement (HWE) kernel
- linux-lts-trusty - Linux hardware enablement kernel from Trusty for Precise ESM
- linux-lts-xenial - Linux hardware enablement kernel from Xenial for Trusty
- linux-oem - Linux kernel for OEM systems
- linux-oem-osp1 - Linux kernel for OEM systems
- linux-oracle - Linux kernel for Oracle Cloud systems
- linux-oracle-5.4 - Linux kernel for Oracle Cloud systems
Details
Moritz Lipp, Michael Schwarz, Andreas Kogler, David Oswald, Catherine
Easdon, Claudio Canella, and Daniel Gruss discovered that the Intel Running
Average Power Limit (RAPL) driver in the Linux kernel did not properly
restrict access to power data. A local attacker could possibly use this to
expose sensitive information.
Moritz Lipp, Michael Schwarz, Andreas Kogler, David Oswald, Catherine
Easdon, Claudio Canella, and Daniel Gruss discovered that the Intel Running
Average Power Limit (RAPL) driver in the Linux kernel did not properly
restrict access to power data. A local attacker could possibly use this to
expose sensitive information.
Update instructions
After a standard system update you need to reboot your computer to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.
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