CVE-2021-47530: drm/msm: Fix wait_fence submitqueue leak
In the Linux kernel, the following vulnerability has been resolved:
drm/msm: Fix waitfence submitqueue leak
We weren't dropping the submitqueue reference in all paths. In particular, when the fence has already been signalled. Split out a helper to simplify handling this in the various different return paths.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2021-47530?
CVE-2021-47530 has not been assigned a specific CVSS score, indicating it is a medium severity issue related to resource management in the Linux kernel.
How do I fix CVE-2021-47530?
To fix CVE-2021-47530, update your Linux kernel to version 5.15.7 or later, or apply the relevant patches that address this vulnerability.
Which versions of the Linux kernel are affected by CVE-2021-47530?
CVE-2021-47530 affects Linux kernel versions between 5.15 and 5.16-rc3, including early release candidates.
What impact can CVE-2021-47530 have on my system?
Exploitation of CVE-2021-47530 may lead to resource leaks, potentially affecting system performance and stability.
Is CVE-2021-47530 a remote exploit?
CVE-2021-47530 does not indicate a remote exploit vector; it primarily affects local resource management within the kernel.