According to the analysis conducted by the Red Hat, this Linux Kernel vulnerability has been assigned a severity of Medium. This indicates that while a system running a Linux operating system might be exposed to some level of risk, it is not considered critical. Red Hat has provided a patch for this issue. It is recommended to apply this patch on systems where it is available.
Vulnerability Introduced By kernel in kernel-CVE-2022-3542
A vulnerability has been identified in the Linux Kernel, CVE-2022-3542. This issue was assigned a severity of Medium. If a system running a Linux operating system executes an untrusted program that is linked against this library, then this vulnerability could be exploited by malicious users to escalate privileges on the system. As such, it is strongly recommended to apply the patch available for this issue on systems where it is available.
How did the Linux kernel get patched?
After identifying the vulnerability, Red Hat engineers created a patch that addressed the issue and then submitted it to Linux Kernel's security team for review. Once reviewed, the team released an updated version of their kernel which includes the fix for this vulnerability.
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Installing the Linux Kernel for CVE-2022-3542
This Linux kernel vulnerability requires one to patch the systems and update their kernels. The steps are as follows:
1. Download the appropriate patch for your Linux distribution from Red Hat's website.
2. Unpack the file using tar or unzip command and then specify the file name in the following command:
The above command unpacks the files into a new directory, linux-4.*, which is where all other patches will be located as well.
Make sure that you have installed all required dependencies before proceeding further with this procedure, such as compiling kernel modules or configuring /etc/initramfs to support the new kernel version
Now run the following commands:
tar xf linux-4*.tar cd linux* make olddefconfig make menuconfig make uImage modules sudo make clean
Now you can create a binary image based on your custom configuration by running:
make && sudo make install
If you already have a custom build of your own and need to install it system wide, run:
sudo make configs && sudo make install
How Does This Linux kernel vulnerability affects users?
According to the Red Hat, this Linux kernel vulnerability has been assigned a severity of Medium. This indicates that while a system running a Linux operating system might be exposed to some level of risk, it is not considered critical. Red Hat has provided a patch for this issue. It is recommended to apply this patch on systems where it is available.
But what does that mean? How does this affect other users?
Published on: 10/17/2022 12:15:00 UTC
Last modified on: 10/19/2022 05:19:00 UTC