A Linux developer discovered a serious security hole that’s been hiding for years in an out-of-date driver.
OK, hands up, who knows what High-Level Data Link Control (HDLC) is? It’s an archaic networking data framing protocol that’s used in modems, X.25, frame-relay, ISDN, and other now uncommon networking technologies. I know it because I used to work with them back in the day. You’ll get to know it now because a researcher discovered a security hole hidden within the Linux kernel driver that implements it.
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Author: Steven J. Vaughan-Nichols