Moderate: libinput security update
Summary
ALSA-2022:5257: Moderate: libinput security update. Affects libinput versions < 1.19.3-2.el9_0. Fixed in 1.19.3-2.el9_0. How to fix ↓
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Background
libinput is a library that handles input devices for display servers and other applications that need to directly deal with input devices. It provides functionality for managing input events and translating them into meaningful actions for the system. The library is widely used in various Linux distributions, including AlmaLinux 9.
Vulnerability Detail
A format string vulnerability has been discovered in libinput, which may lead to privilege escalation. This vulnerability, identified as CVE-2022-1215, allows an attacker to exploit a flaw in the library's handling of format strings. By providing specially crafted input, an attacker can manipulate the format string and potentially execute arbitrary code with elevated privileges. The impact of this vulnerability can range from unauthorized access to sensitive information to full control over the affected system.
How To Fix
Minimum fixed version
1.19.3-2.el9_0
This is the first release that contains the fix.
sudo dnf update libinputTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, users can mitigate the risk by disabling or restricting access to the affected functionality. However, this may limit the functionality of applications relying on libinput. It is strongly advised to apply the official update as soon as possible.
Conclusion
In conclusion, a format string vulnerability has been discovered in libinput, which may lead to privilege escalation. Users of AlmaLinux 9 are advised to update the libinput package to version 1.19.3-2.el9_0 or later to mitigate the risk. Applying the official update is the recommended course of action to ensure the security and stability of the system. For further support or assistance with vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for libinput →
FAQ
libinput is a library used for handling input devices in Linux-based systems. It provides a standardized interface for managing input events and translating them into actions for the system.
The vulnerability allows an attacker to potentially execute arbitrary code with elevated privileges. This can lead to unauthorized access, data leakage, or complete control over the affected system.
To fix this vulnerability, update the libinput package to version 1.19.3-2.el9_0 or later. This update includes a patch that addresses the format string vulnerability.
As a temporary workaround, you can restrict access to the affected functionality or disable it altogether. However, it is recommended to apply the official update as soon as possible.
You can find more information about this vulnerability, including its impact and technical details, on the CVE page for CVE-2022-1215.
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