CVE-2024-46739

Summary

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 Software

VendorProductVersion RangeStatus
LinuxLinuxca3cda6fcf1e922213a0cc58e708ffb999151db3 < 3d414b64ecf6fd717d7510ffb893c6f23acbf50eaffected
LinuxLinuxca3cda6fcf1e922213a0cc58e708ffb999151db3 < f38f46da80a2ab7d1b2f8fcb444c916034a2dac4affected
LinuxLinuxca3cda6fcf1e922213a0cc58e708ffb999151db3 < 1d8e020e51ab07e40f9dd00b52f1da7d96fec04caffected
LinuxLinuxca3cda6fcf1e922213a0cc58e708ffb999151db3 < 3005091cd537ef8cdb7530dcb2ecfba8d2ef475caffected
LinuxLinuxca3cda6fcf1e922213a0cc58e708ffb999151db3 < 2be373469be1774bbe03b0fa7e2854e65005b1ccaffected
LinuxLinuxca3cda6fcf1e922213a0cc58e708ffb999151db3 < de6946be9c8bc7d2279123433495af7c21011b99affected
LinuxLinuxca3cda6fcf1e922213a0cc58e708ffb999151db3 < 928e399e84f4e80307dce44e89415115c473275baffected
LinuxLinuxca3cda6fcf1e922213a0cc58e708ffb999151db3 < fb1adbd7e50f3d2de56d0a2bb0700e2e819a329eaffected
LinuxLinux4.16affected
LinuxLinux0 < 4.16unaffected
LinuxLinux4.19.322 <= 4.19.*unaffected
LinuxLinux5.4.284 <= 5.4.*unaffected
LinuxLinux5.10.226 <= 5.10.*unaffected
LinuxLinux5.15.167 <= 5.15.*unaffected
LinuxLinux6.1.110 <= 6.1.*unaffected
LinuxLinux6.6.51 <= 6.6.*unaffected
LinuxLinux6.10.10 <= 6.10.*unaffected
LinuxLinux6.11 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References