TITLE:
Linux Kernel Potential Buffer Overflow Vulnerabilities

SECUNIA ADVISORY ID:
SA17384

VERIFY ADVISORY:
http://secunia.com/advisories/17384/

CRITICAL:
Not critical

IMPACT:
Unknown

WHERE:
Local system

OPERATING SYSTEM:
Linux Kernel 2.6.x
http://secunia.com/product/2719/

DESCRIPTION:
Two vulnerabilities have been reported in the Linux Kernel, with an
unknown impact.

1) A boundary error due to missing parameter validation in the
"map_to_seg7()" function in "drivers/usb/input/map_to_7segment.h" of
the Yealink driver may cause out-of-bound memory references.

2) A boundary error in "/drivers/i2c/i2c-core.c" when handling SMBus
Block Write transactions may cause a buffer overflow.

SOLUTION:
The vulnerabilities have been fixed in version 2.6.14-git4.

PROVIDED AND/OR DISCOVERED BY:
Reported by vendor.

ORIGINAL ADVISORY:
Kernel.org:
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=af64a5ebb817532965d18b792d6d74afecfb0bcf
http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5c50d1885981537ff3b8df6433951de6c9cb72cb
http://www.kernel.org/pub/linux/kernel/v2.6/snapshots/patch-2.6.14-git4.log

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