CVE-2024-46739
Linux Kernel NULL Pointer Dereference in UIO-HV-Generic
Description
In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind For primary VM Bus channels, primary_channel pointer is always NULL. This pointer is valid only for the secondary channels. Also, rescind callback is meant for primary channels only. Fix NULL pointer dereference by retrieving the device_obj from the parent for the primary channel.
INFO
Published Date :
Sept. 18, 2024, 8:15 a.m.
Last Modified :
Sept. 18, 2024, 8:15 a.m.
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Remotely Exploitable :
No
Impact Score :
Exploitability Score :
References to Advisories, Solutions, and Tools
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information, practical solutions, and valuable tools related to
CVE-2024-46739.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
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The following list is the news that have been mention
CVE-2024-46739 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-46739 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
Sep. 18, 2024
Action Type Old Value New Value Added Description In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind For primary VM Bus channels, primary_channel pointer is always NULL. This pointer is valid only for the secondary channels. Also, rescind callback is meant for primary channels only. Fix NULL pointer dereference by retrieving the device_obj from the parent for the primary channel. Added Reference kernel.org https://git.kernel.org/stable/c/3d414b64ecf6fd717d7510ffb893c6f23acbf50e [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/f38f46da80a2ab7d1b2f8fcb444c916034a2dac4 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/1d8e020e51ab07e40f9dd00b52f1da7d96fec04c [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/3005091cd537ef8cdb7530dcb2ecfba8d2ef475c [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/2be373469be1774bbe03b0fa7e2854e65005b1cc [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/de6946be9c8bc7d2279123433495af7c21011b99 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/928e399e84f4e80307dce44e89415115c473275b [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/fb1adbd7e50f3d2de56d0a2bb0700e2e819a329e [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-2024-46739 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-2024-46739
weaknesses.