Some vulnerabilities have been reported in the Linux Kernel, which potentially can be exploited by malicious, local users to disclose kernel memory or gain escalated privileges.

1) A race condition in the radeon driver can potentially be exploited to gain escalated privileges.

Successful exploitation reportedly requires DRI (Direct Rendering Infrastructure) privileges on the Radeon hardware.

2) A boundary error in the i2c-viapro driver can be exploited to cause a buffer overflow during a SMBus block read and may allow execution of arbitrary code with escalated privileges.

Successful exploitation depends on the permissions set on the i2c device files and specific hardware combinations.

3) A signedness error in "/proc" can be exploited to cause a buffer overflow when the "locks_read_proc()" function is called with certain arguments.

The vulnerability has been reported in versions 2.6.10 and 2.6.11rc1-bk6 on the i386 architecture. Other versions may also be affected.

4) A signedness error in "drivers/char/n_tty.c" when copying data from kernel space into user space can be exploited to disclose kernel memory.

The vulnerability has been reported in versions 2.6.10 and 2.6.11rc1 on the i386 architecture. Other versions may also be affected.

5) Some potential errors have been reported in the "atm_get_addr()" function in "net/atm/addr.c" and in the "reiserfs_copy_from_user_to_file_region()" function in "fs/reiserfs/file.c".

Solution
Update to version 2.6.11.
Further details available in Customer Area

Provided and/or discovered by
3-5) Georgi Guninski

Changelog
Further details available in Customer Area

Original Advisory
Kernel.org:
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.11

Guninski:
http://www.guninski.com/where_do_you_want_billg_to_go_today_3.html

Deep Links
Links available in Customer Area