Date: Mon, 01 Mar 2010 23:35:21 +0800 From: Eugene Teo <eugeneteo@...nel.sg> To: oss-security@...ts.openwall.com CC: "Steven M. Christey" <coley@...us.mitre.org> Subject: CVE request: kernel: dvb-core: ULE decapsulation DoS Reported by Ang Way Chuang. "dvb-core: Fix DoS bug in ULE decapsulation code that can be triggered by an invalid Payload Pointer ULE (Unidirectional Lightweight Encapsulation RFC 4326) decapsulation has a bug that causes endless loop when Payload Pointer of MPEG2-TS frame is 182 or 183. Anyone who sends malicious MPEG2-TS frame will cause the receiver of ULE SNDU to go into endless loop. This patch was generated and tested against linux-18.104.22.168 and should apply cleanly to linux-2.6.33 as well because there was only one typo fix to dvb_net.c since v2.6.32. This bug was brought to you by modern day Santa Claus who decided to shower the satellite dish at Keio University with heavy snow causing huge burst of errors. We, receiver end, received Santa Claus's gift in the form of kernel bug." http://git.kernel.org/linus/29e1fa3565a7951cc415c634eb2b78dbdbee151d http://bugzilla.redhat.com/569237 Thanks, Eugene
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