CVE-2024-36898
Linux gpiolib CDEV Memory Corruption
Description
In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: fix uninitialised kfifo If a line is requested with debounce, and that results in debouncing in software, and the line is subsequently reconfigured to enable edge detection then the allocation of the kfifo to contain edge events is overlooked. This results in events being written to and read from an uninitialised kfifo. Read events are returned to userspace. Initialise the kfifo in the case where the software debounce is already active.
INFO
Published Date :
May 30, 2024, 4:15 p.m.
Last Modified :
May 30, 2024, 6:18 p.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
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CVE-2024-36898.
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CVE-2024-36898 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-36898 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 30, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: gpiolib: cdev: fix uninitialised kfifo If a line is requested with debounce, and that results in debouncing in software, and the line is subsequently reconfigured to enable edge detection then the allocation of the kfifo to contain edge events is overlooked. This results in events being written to and read from an uninitialised kfifo. Read events are returned to userspace. Initialise the kfifo in the case where the software debounce is already active. Added Reference kernel.org https://git.kernel.org/stable/c/1a51e24404d77bb3307c1e39eee0d8e86febb1a5 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/883e4bbf06eb5fb7482679e4edb201093e9f55a2 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/bd7139a70ee8d8ea872b223e043730cf6f5e2b0e [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/ee0166b637a5e376118e9659e5b4148080f1d27e [No types assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-36898 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-36898
weaknesses.