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a294865978
A length of zero (after subtracting two for the type and len fields) for
the DCCPO_{CHANGE,CONFIRM}_{L,R} options will cause an underflow due to
the subtraction. The subsequent code may read past the end of the
options value buffer when parsing. I'm unsure of what the consequences
of this might be, but it's probably not good.
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: stable@kernel.org
Acked-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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|---|---|---|
| .. | ||
| ccids | ||
| ackvec.c | ||
| ackvec.h | ||
| ccid.c | ||
| ccid.h | ||
| dccp.h | ||
| diag.c | ||
| feat.c | ||
| feat.h | ||
| input.c | ||
| ipv4.c | ||
| ipv6.c | ||
| ipv6.h | ||
| Kconfig | ||
| Makefile | ||
| minisocks.c | ||
| options.c | ||
| output.c | ||
| probe.c | ||
| proto.c | ||
| qpolicy.c | ||
| sysctl.c | ||
| timer.c | ||