CVE-2021-47320

nfs: fix acl memory leak of posix_acl_create()

Description

In the Linux kernel, the following vulnerability has been resolved: nfs: fix acl memory leak of posix_acl_create() When looking into another nfs xfstests report, I found acl and default_acl in nfs3_proc_create() and nfs3_proc_mknod() error paths are possibly leaked. Fix them in advance.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.05%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/2e3960f276b4574a9bb0dfa31a7497302f6363b2 patch
https://git.kernel.org/stable/c/cef9d9acb7c80ed6bace894b6334557fd493863b patch
https://git.kernel.org/stable/c/8a2b308a54c5ec224fedc753617f99b29ffcd883 patch
https://git.kernel.org/stable/c/0704f617040c397ae73c1f88f3956787ec5d6529 patch
https://git.kernel.org/stable/c/d0b32dc1409f7e65e4fcc34e236462268e69a357 patch
https://git.kernel.org/stable/c/4b515308ab875c7e8ada8e606fe0c64762da5ed4 patch
https://git.kernel.org/stable/c/c8fc86e9df6a6a03f5a8e15a3b7a5c75fd05aa38 patch
https://git.kernel.org/stable/c/687cf32865b2d6960214bce523f2afac58dd3cd2 patch
https://git.kernel.org/stable/c/1fcb6fcd74a222d9ead54d405842fc763bb86262 patch

Frequently Asked Questions

What is the severity of CVE-2021-47320?
CVE-2021-47320 has been scored as a medium severity vulnerability.
How to fix CVE-2021-47320?
To fix CVE-2021-47320, 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-2021-47320 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-47320 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-2021-47320?
CVE-2021-47320 affects Linux Linux, Linux Linux.
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