|Bugzilla:||569237: CVE-2010-1086 kernel: dvb-core: DoS bug in ULE decapsulation code|
The MITRE CVE dictionary describes this issue as:
The ULE decapsulation functionality in drivers/media/dvb/dvb-core/dvb_net.c in dvb-core in Linux kernel 2.6.33 and earlier allows attackers to cause a denial of service (infinite loop) via a crafted MPEG2-TS frame, related to an invalid Payload Pointer ULE.
Red Hat is aware of this issue and is tracking it via the following bug:
This issue did not affect the version of the Linux kernel as shipped with Red Hat Enterprise Linux 3 as it did not include support for ULE (Unidirectional Lightweight Encapsulation). We have included a fix for this issue in Red Hat Enterprise Linux 4 and 5 however the affected module is not build by default. This issue was addressed in Red Hat Enterprise MRG via http://rhn.redhat.com/errata/RHSA-2010-0631.html.
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Red Hat security errata
|MRG Grid for RHEL 5 Server (kernel-rt)||RHSA-2010:0631||August 17, 2010|
|Red Hat Enterprise Linux version 4 (kernel)||RHSA-2010:0394||May 05, 2010|
|Red Hat Enterprise Linux version 5 (kernel)||RHSA-2010:0398||May 06, 2010|
Red Hat would like to thank Ang Way Chuang for reporting this issue.
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For clarification or corrections please contact the Red Hat Security Response Team.