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Change History

In the Linux kernel, the following vulnerability has been resolved:

net: phy: micrel: Fix potential null pointer dereference

In lan8814_get_sig_rx() and lan8814_get_sig_tx() ptp_parse_header() may
return NULL as ptp_header due to abnormal packet type or corrupted packet.
Fix this bug by adding ptp_header check.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

kernel.org https://git.kernel.org/stable/c/10608161696c2768f53426642f78a42bcaaa53e8 [No types assigned]

kernel.org https://git.kernel.org/stable/c/49767b0df276f12e3e7184601e09ee7430e252dc [No types assigned]

kernel.org https://git.kernel.org/stable/c/95c1016a2d92c4c28a9d1b6d09859c00b19c0ea4 [No types assigned]

kernel.org https://git.kernel.org/stable/c/96c155943a703f0655c0c4cab540f67055960e91 [No types assigned]