CVE-2021-47645: media: staging: media: zoran: calculate the right buffer number for zoran_reap_stat_com
In the Linux kernel, the following vulnerability has been resolved:
media: staging: media: zoran: calculate the right buffer number for zoranreapstatcom
On the case tmpdcim=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.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2021-47645?
CVE-2021-47645 has a high severity rating due to the potential for a NULL pointer dereference vulnerability that could lead to a system crash.
How do I fix CVE-2021-47645?
To fix CVE-2021-47645, update your Linux kernel to a version greater than 5.10.110 or any version specified in the fixed ranges.
What systems are affected by CVE-2021-47645?
CVE-2021-47645 affects specific versions of the Linux kernel, primarily those below 5.10.110 and within certain ranges up to 5.17.2.
What is the impact of CVE-2021-47645 on Linux systems?
The impact of CVE-2021-47645 includes possible system crashes due to a NULL pointer dereference that may disrupt normal operations.
Is CVE-2021-47645 a remote exploitation vulnerability?
CVE-2021-47645 is not classified as a remote exploitation vulnerability, but it can be exploited locally due to the nature of the NULL pointer dereference.