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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linux
  • Linux Kernel

Configuration 1 [-]

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*

No data.

References
Link Providers
https://git.kernel.org/stable/c/1d8e020e51ab07e40f9dd00b52f1da7d96fec04c cve-icon cve-icon
https://git.kernel.org/stable/c/2be373469be1774bbe03b0fa7e2854e65005b1cc cve-icon cve-icon
https://git.kernel.org/stable/c/3005091cd537ef8cdb7530dcb2ecfba8d2ef475c cve-icon cve-icon
https://git.kernel.org/stable/c/3d414b64ecf6fd717d7510ffb893c6f23acbf50e cve-icon cve-icon
https://git.kernel.org/stable/c/928e399e84f4e80307dce44e89415115c473275b cve-icon cve-icon
https://git.kernel.org/stable/c/de6946be9c8bc7d2279123433495af7c21011b99 cve-icon cve-icon
https://git.kernel.org/stable/c/f38f46da80a2ab7d1b2f8fcb444c916034a2dac4 cve-icon cve-icon
https://git.kernel.org/stable/c/fb1adbd7e50f3d2de56d0a2bb0700e2e819a329e cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html cve-icon
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html cve-icon
https://lore.kernel.org/linux-cve-announce/2024091834-CVE-2024-46739-0aa7@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2024-46739 cve-icon
https://www.cve.org/CVERecord?id=CVE-2024-46739 cve-icon
History

Mon, 03 Nov 2025 23:30:00 +0000

Type Values Removed Values Added
References

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00084}

 epss

{'score': 0.00088}

Tue, 15 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.0008}

 epss

{'score': 0.00084}

Sun, 29 Sep 2024 15:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 20 Sep 2024 19:00:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Weaknesses CWE-476
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.11:rc6:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel

Wed, 18 Sep 2024 14:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}

threat_severity

Moderate

Wed, 18 Sep 2024 07:30:00 +0000

Type Values Removed Values 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.
Title uio_hv_generic: Fix kernel NULL pointer dereference in hv_uio_rescind
References
cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-09-18T07:12:00.897Z

Updated: 2025-11-03T22:17:26.500Z

Reserved: 2024-09-11T15:12:18.263Z

Link: CVE-2024-46739

cve-icon Vulnrichment

Updated: 2024-09-29T14:50:54.388Z

cve-icon NVD

Status : Modified

Published: 2024-09-18T08:15:03.293

Modified: 2025-11-03T23:15:58.033

Link: CVE-2024-46739

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-09-18T00:00:00Z

Links: CVE-2024-46739 - Bugzilla