CVE-2021-47645

media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com

Description

In the Linux kernel, the following vulnerability has been resolved: media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com On the case tmp_dcim=1, the index of buffer is miscalculated. This generate a NULL pointer dereference later. So let's fix the calcul and add a check to prevent this to reappear.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/bafec1a6ba4b187a7fcdcfce0faebdc623d4ef8e patch
https://git.kernel.org/stable/c/7e76f3ed7ab2ae026c6ef9cc23096a7554af8c52 patch
https://git.kernel.org/stable/c/20db2ed1e2f9fcd417fa67853e5154f0c2537d6c patch
https://git.kernel.org/stable/c/20811bbe685ca3eddd34b0c750860427d7030910 patch
https://git.kernel.org/stable/c/e3b86f4e558cea9eed71d894df2f19b10d60a207 patch

Frequently Asked Questions

What is the severity of CVE-2021-47645?
CVE-2021-47645 has been scored as a medium severity vulnerability.
How to fix CVE-2021-47645?
To fix CVE-2021-47645, 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-2021-47645 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-47645 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-2021-47645?
CVE-2021-47645 affects Linux Linux, Linux Linux.
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