Memory Corruption Vulnerability in Linux Kernel's dvb_ca_ioctl Function

CVE-2011-0521 · HIGH Severity

AV:L/AC:L/AU:N/C:C/I:C/A:C

The dvb_ca_ioctl function in drivers/media/dvb/ttpci/av7110_ca.c in the Linux kernel before 2.6.38-rc2 does not check the sign of a certain integer field, which allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact via a negative value.

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