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CVE Reference: CVE-2010-2955
NOTE: The text on this page is written by CVE MITRE and reflects neither the opinions of Secunia or the results of our research. All data on this page is written and maintained by CVE MITRE.

Original Page at CVE MITRE:
CVE-2010-2955

Description:
The cfg80211_wext_giwessid function in net/wireless/wext-compat.c in the Linux kernel before 2.6.36-rc3-next-20100831 does not properly initialize certain structure members, which allows local users to leverage an off-by-one error in the ioctl_standard_iw_point function in net/wireless/wext-core.c, and obtain potentially sensitive information from kernel heap memory, via vectors involving an SIOCGIWESSID ioctl call that specifies a large buffer size.

CVE Status:
Candidate

References:

UBUNTU
  http://www.ubuntu.com/usn/USN-1000-1

SUSE
  http://lists.opensuse.org/opensuse-security-announce/2010-11/msg00000.html
  http://lists.opensuse.org/opensuse-security-announce/2011-02/msg00000.html

SAID
  Secunia Advisory: SA41245

REDHAT
  http://www.redhat.com/support/errata/RHSA-2010-0842.html
  http://www.redhat.com/support/errata/RHSA-2010-0771.html

MLIST
  http://www.openwall.com/lists/oss-security/2010/08/31/1
  http://lkml.org/lkml/2010/8/30/146
  http://lkml.org/lkml/2010/8/30/127
  http://lkml.org/lkml/2010/8/30/351
  http://lkml.org/lkml/2010/8/27/413

MISC
  http://grsecurity.net/~spender/wireless-infoleak-fix2.patch
  http://forums.grsecurity.net/viewtopic.php?f=3&t=2290

CONFIRM
  http://www.kernel.org/pub/linux/kernel/v2.6/next/patch-v2.6.36-rc3-next-20100831.bz2
  http://git.kernel.org/?p=linux/kernel/git/linville/wireless-2.6.git;a=commit;h=42da2f948d949efd0111309f5827bf0298bcc9a4

BID
  42885


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