CVE-2024-56634: gpio: grgpio: Add NULL check in grgpio_probe
In the Linux kernel, the following vulnerability has been resolved:
gpio: grgpio: Add NULL check in grgpioprobe
devmkasprintf() can return a NULL pointer on failure,but this returned value in grgpioprobe is not checked. Add NULL check in grgpioprobe, to handle kernel NULL pointer dereference error.
Other sources
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— Launchpad
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2024-56634?
CVE-2024-56634 is categorized as a medium severity vulnerability in the Linux kernel.
What is the impact of CVE-2024-56634?
CVE-2024-56634 can potentially lead to a NULL pointer dereference in the grgpio_probe function, causing system instability.
How do I fix CVE-2024-56634?
To fix CVE-2024-56634, update the Linux kernel to a version that includes the NULL check implemented in the grgpio_probe function.
Which versions of the Linux kernel are affected by CVE-2024-56634?
CVE-2024-56634 affects Linux kernels from version 4.14 up to but not including versions 5.4.287, 5.5 to 5.10.231, 5.11 to 5.15.174, 5.16 to 6.1.120, 6.2 to 6.6.66, and 6.7 to 6.12.5.
Is there a workaround for CVE-2024-56634?
There is no specific workaround for CVE-2024-56634; the recommended action is to update to a patched version of the Linux kernel.