Detections
Analytics
CVE-2021-47159
high
Description
In the Linux kernel, the following vulnerability has been resolved: net: dsa: fix a crash if ->get_sset_count() fails If ds->ops->get_sset_count() fails then it "count" is a negative error code such as -EOPNOTSUPP. Because "i" is an unsigned int, the negative error code is type promoted to a very high value and the loop will corrupt memory until the system crashes. Fix this by checking for error codes and changing the type of "i" to just int.
References
https://git.kernel.org/stable/c/ce5355f140a7987011388c7e30c4f8fbe180d3e8
https://git.kernel.org/stable/c/caff86f85512b8e0d9830e8b8b0dfe13c68ce5b6
https://git.kernel.org/stable/c/a269333fa5c0c8e53c92b5a28a6076a28cde3e83
https://git.kernel.org/stable/c/7b22466648a4f8e3e94f57ca428d1531866d1373
https://git.kernel.org/stable/c/0f2cb08c57edefb0e7b5045e0e3e9980a3d3aa37