Overview
About vulnerability
In the Linux kernel, the following vulnerability has been resolved:
backlight: pm8941: Add NULL check in wled_configure()
devm_kasprintf() returns NULL when memory allocation fails. Currently, wled_configure() does not check for this case, which results in a NULL pointer dereference.
Add NULL check after devm_kasprintf() to prevent this issue.
Details
- Affected product:
- AlmaLinux 9.2 ESU , Oracle Linux 7 ELS , TuxCare 9.6 ESU , Ubuntu 20.04 ELS
- Affected packages:
- kernel @ 5.14.0 (+3 more)
In the Linux kernel, the following vulnerability has been resolved:
backlight: pm8941: Add NULL check in wled_configure()
devm_kasprintf() returns NULL when memory allocation fails. Currently, wled_configure() does not check for this case, which results in a NULL pointer dereference.
Add NULL check after devm_kasprintf() to prevent this issue.