Vigil@nce - Linux kernel: NULL pointer dereference via net/rds/connection.c
September 2015 by Vigil@nce
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SYNTHESIS OF THE VULNERABILITY
A local attacker can force a NULL pointer to be dereferenced in
net/rds/connection.c of the Linux kernel, in order to trigger a
denial of service.
Impacted products: Debian, Linux.
Severity: 1/4.
Creation date: 15/09/2015.
DESCRIPTION OF THE VULNERABILITY
The Linux kernel implements RDS (Reliable Datagram Sockets).
However, if the socket is not bound before sending a message, the
net/rds/connection.c file does not check if the "trans"
(transport) pointer is NULL, before using it.
A local attacker can therefore force a NULL pointer to be
dereferenced in net/rds/connection.c of the Linux kernel, in order
to trigger a denial of service.
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