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Mandriva Linux Security Advisory 2010-257

Posted Dec 17, 2010

Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2010-257 - The setup_arg_pages function in fs/exec.c in the Linux kernel before 2.6.36, when CONFIG_STACK_GROWSDOWN is used, does not properly restrict the stack memory consumption of the environment for a 32-bit application on a 64-bit platform, which allows local users to cause a denial of service via a crafted exec system call, a related issue to CVE-2010-2240. drivers/media/video/v4l2-compat-ioctl32.c in the Video4Linux implementation in the Linux kernel before 2.6.36 on 64-bit platforms does not validate the destination of a memory copy operation, which allows local users to write to arbitrary kernel memory locations, and consequently gain privileges, via a VIDIOCSTUNER ioctl call on a /dev/video device, followed by a VIDIOCSMICROCODE ioctl call on this device. Various other issues have been addressed as well.

tags | advisory, denial of service, arbitrary, kernel, local

systems | linux, mandriva

advisories | CVE-2010-3858, CVE-2010-2963, CVE-2010-3067, CVE-2010-3442, CVE-2010-3848, CVE-2010-3849, CVE-2010-3850

SHA-256 | 1e230666cbb1fc66c91156a8035fbdbdaca4fbe40c2a8ed95fd1ecd43722fa30

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