Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.16, < 4.19.322 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/1d8e020e51ab07e40f9dd00b52f1da7d96fec04cPatch
- https://git.kernel.org/stable/c/2be373469be1774bbe03b0fa7e2854e65005b1ccPatch
- https://git.kernel.org/stable/c/3005091cd537ef8cdb7530dcb2ecfba8d2ef475cPatch
- https://git.kernel.org/stable/c/3d414b64ecf6fd717d7510ffb893c6f23acbf50ePatch
- https://git.kernel.org/stable/c/928e399e84f4e80307dce44e89415115c473275bPatch
- https://git.kernel.org/stable/c/de6946be9c8bc7d2279123433495af7c21011b99Patch
- https://git.kernel.org/stable/c/f38f46da80a2ab7d1b2f8fcb444c916034a2dac4Patch
- https://git.kernel.org/stable/c/fb1adbd7e50f3d2de56d0a2bb0700e2e819a329ePatch
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
FAQ
What is CVE-2024-46739?
CVE-2024-46739 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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 alwa...
How severe is CVE-2024-46739?
CVE-2024-46739 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-46739?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.