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Candidate: CVE-2006-4623
References:
http://lkml.org/lkml/2006/8/20/278
Description:
The Unidirectional Lightweight Encapsulation (ULE) decapsulation
component in dvb-core/dvb_net.c in the dvb driver in the Linux kernel
2.6.17.8 allows remote attackers to cause a denial of service (crash)
via an SNDU length of 0 in a ULE packet.
Ubuntu-Description:
A flaw was discovered in dvb ULE decapsulation. A remote attacker could
send a specially crafted message and cause a denial of service.
Notes:
mpitt> Questionable -- rather than fixing the kernel to not send out
invalid ULE packets, it should be fixed to not crash upon
receiving one.
dannf> I noticed that a different, and much larger patch went into 2.6.18
that conflicts with the one provided by the original reporter (which
went into 2.6.17.y). I asked the original reporter if that patch also
fixed the issue. Ang Way replied:
"Yes, it is fixed in 2.6.18 and later even though the patch is
different. Their fix is more elegant."
So, marking etch N/A
Bugs:
upstream: released (2.6.18)
linux-2.6: released (2.6.18-1)
2.6.18-etch-security: N/A
2.6.8-sarge-security: released (2.6.8-16sarge7) [dvb-core-handle-0-length-ule-sndu.dpatch]
2.4.27-sarge-security: N/A
2.6.15-dapper-security: released (2.6.15-28.57)
2.6.17-edgy: released (2.6.17.1-10.34)
2.6.20-feisty-security: N/A
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