Several security issues were fixed in the Linux kernel.
Software Description
* linux - Linux kernel
* linux-aws - Linux kernel for Amazon Web Services (AWS) systems
* linux-azure - Linux kernel for Microsoft Azure Cloud systems
* linux-oem - Linux kernel for OEM processors
Details
It was discovered that the virtual terminal implementation in the
Linux kernel did not properly handle resize events. A local
attacker could use this to expose sensitive information.
(CVE-2020-8647)
It was discovered that the virtual terminal implementation in the
Linux kernel contained a race condition. A local attacker could
possibly use this to cause a denial of service (system crash) or
expose sensitive information. (CVE-2020-8648)
It was discovered that the virtual terminal implementation in the
Linux kernel did not properly handle resize events. A local
attacker could use this to expose sensitive information.
(CVE-2020-8649)
Update instructions
The problem can be corrected by updating your kernel livepatch to
the following versions:
Kernels older than the levels listed below do not receive
livepatch updates. If you are running a kernel version earlier
than the one listed below, please upgrade your kernel as soon as
possible.