GoogleOSV:CVE-2024-46739CVE-2024-46739
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.
References
git.kernel.org/stable/c/1d8e020e51ab07e40f9dd00b52f1da7d96fec04c
git.kernel.org/stable/c/2be373469be1774bbe03b0fa7e2854e65005b1cc
git.kernel.org/stable/c/3005091cd537ef8cdb7530dcb2ecfba8d2ef475c
git.kernel.org/stable/c/3d414b64ecf6fd717d7510ffb893c6f23acbf50e
git.kernel.org/stable/c/928e399e84f4e80307dce44e89415115c473275b
git.kernel.org/stable/c/de6946be9c8bc7d2279123433495af7c21011b99
git.kernel.org/stable/c/f38f46da80a2ab7d1b2f8fcb444c916034a2dac4
git.kernel.org/stable/c/fb1adbd7e50f3d2de56d0a2bb0700e2e819a329e
security-tracker.debian.org/tracker/CVE-2024-46739
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