CVE-2024-46739

2024-09-1808:15:03

Linux

web.nvd.nist.gov

linux kernel

null pointer dereference

uio_hv_generic

hv_uio_rescind

AI Score

6.5

Confidence

Low

EPSS

Percentile

13.8%

JSON

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.

Affected configurations

Vulners

Node

linuxlinux_kernelRange4.16–4.19.322

linuxlinux_kernelRange4.20.0–5.4.284

linuxlinux_kernelRange5.5.0–5.10.226

linuxlinux_kernelRange5.11.0–5.15.167

linuxlinux_kernelRange5.16.0–6.1.110

linuxlinux_kernelRange6.2.0–6.6.51

linuxlinux_kernelRange6.7.0–6.10.10

linuxlinux_kernelRange6.11.0≥

VendorProductVersionCPE
linuxlinux_kernel*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
linux	linux_kernel	*	cpe:2.3:o:linux:linux_kernel::::::::

CNA Affected

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/uio/uio_hv_generic.c"
    ],
    "versions": [
      {
        "version": "ca3cda6fcf1e",
        "lessThan": "3d414b64ecf6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca3cda6fcf1e",
        "lessThan": "f38f46da80a2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca3cda6fcf1e",
        "lessThan": "1d8e020e51ab",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca3cda6fcf1e",
        "lessThan": "3005091cd537",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca3cda6fcf1e",
        "lessThan": "2be373469be1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca3cda6fcf1e",
        "lessThan": "de6946be9c8b",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca3cda6fcf1e",
        "lessThan": "928e399e84f4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca3cda6fcf1e",
        "lessThan": "fb1adbd7e50f",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/uio/uio_hv_generic.c"
    ],
    "versions": [
      {
        "version": "4.16",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.16",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "4.19.322",
        "lessThanOrEqual": "4.19.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.4.284",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.10.226",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "5.15.167",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.1.110",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.6.51",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.10.10",
        "lessThanOrEqual": "6.10.*",
        "status": "unaffected",
        "versionType": "custom"
      },
      {
        "version": "6.11",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]