CVE-2021-47071

uio_hv_generic: Fix a memory leak in error handling paths

Description

In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix a memory leak in error handling paths If 'vmbus_establish_gpadl()' fails, the (recv|send)_gpadl will not be updated and 'hv_uio_cleanup()' in the error handling path will not be able to free the corresponding buffer. In such a case, we need to free the buffer explicitly.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.01%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/cdd91637d4ef33e2be19a8e16e72e7d00c996d76 patch
https://git.kernel.org/stable/c/d84b5e912212b05f6b5bde9f682046accfbe0354 patch
https://git.kernel.org/stable/c/53486c467e356e06aa37047c984fccd64d78c827 patch
https://git.kernel.org/stable/c/3ee098f96b8b6c1a98f7f97915f8873164e6af9d patch

Frequently Asked Questions

What is the severity of CVE-2021-47071?
CVE-2021-47071 has been scored as a medium severity vulnerability.
How to fix CVE-2021-47071?
To fix CVE-2021-47071, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-47071 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-47071 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-47071?
CVE-2021-47071 affects Linux Linux, Linux Linux.
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