Resource Leak Affecting kernel-debug-uki-virt package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-RHEL9-KERNELDEBUGUKIVIRT-6363755
  • published3 Mar 2024
  • disclosed1 Mar 2024

Introduced: 1 Mar 2024

CVE-2021-47070  (opens in a new tab)
CWE-402  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 kernel-debug-uki-virt.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-uki-virt package and not the kernel-debug-uki-virt package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

uio_hv_generic: Fix another memory leak in error handling paths

Memory allocated by 'vmbus_alloc_ring()' at the beginning of the probe function is never freed in the error handling path.

Add the missing 'vmbus_free_ring()' call.

Note that it is already freed in the .remove function.

CVSS Scores

version 3.1