In the Linux kernel, the following vulnerability has been resolved:
net: phy: micrel: Fix potential null pointer dereference
In lan8814getsigrx() and lan8814getsigtx() ptpparseheader() may return NULL as ptpheader due to abnormal packet type or corrupted packet. Fix this bug by adding ptpheader check.
Found by Linux Verification Center (linuxtesting.org) with SVACE.