CVE-2021-47645

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

CVSS 5.5 MEDIUMEPSS 0.2%CWE-476

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.5EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

26 Feb 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected products

Linux · Linux

References

https://git.kernel.org/stable/c/20811bbe685ca3eddd34b0c750860427d7030910 https://git.kernel.org/stable/c/20db2ed1e2f9fcd417fa67853e5154f0c2537d6c https://git.kernel.org/stable/c/7e76f3ed7ab2ae026c6ef9cc23096a7554af8c52 https://git.kernel.org/stable/c/8dce4b265a5357731058f69645840dabc718c687 https://git.kernel.org/stable/c/bafec1a6ba4b187a7fcdcfce0faebdc623d4ef8e https://git.kernel.org/stable/c/e3b86f4e558cea9eed71d894df2f19b10d60a207