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CVE-2010-4256

Status Candidate

Overview

The pipe_fcntl function in fs/pipe.c in the Linux kernel before 2.6.37 does not properly determine whether a file is a named pipe, which allows local users to cause a denial of service via an F_SETPIPE_SZ fcntl call.

Related Files

Ubuntu Security Notice USN-1202-1
Posted Sep 14, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1202-1 - Dan Rosenberg discovered that several network ioctls did not clear kernel memory correctly. A local user could exploit this to read kernel stack memory, leading to a loss of privacy. Brad Spengler discovered that stack memory for new a process was not correctly calculated. A local attacker could exploit this to crash the system, leading to a denial of service. Dan Rosenberg discovered that the Linux kernel TIPC implementation contained multiple integer signedness errors. A local attacker could exploit this to gain root privileges. Various other issues were also addressed.

tags | exploit, denial of service, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2010-4081, CVE-2010-3296, CVE-2010-3297, CVE-2010-3858, CVE-2010-3859, CVE-2010-3874, CVE-2010-3880, CVE-2010-4073, CVE-2010-4075, CVE-2010-4076, CVE-2010-4077, CVE-2010-4080, CVE-2010-4081, CVE-2010-4082, CVE-2010-4083, CVE-2010-4157, CVE-2010-4160, CVE-2010-4162, CVE-2010-4163, CVE-2010-4169, CVE-2010-4175, CVE-2010-4242, CVE-2010-4243, CVE-2010-4248, CVE-2010-4256, CVE-2010-4565, CVE-2010-4649, CVE-2010-4655
SHA-256 | b470551b1de773c77d363adf5b0cb1910cc8654d0405c8a191ad8f00fd5d2535
Ubuntu Security Notice USN-1167-1
Posted Jul 14, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1167-1 - Dan Rosenberg discovered that the Linux kernel TIPC implementation contained multiple integer signedness errors. A local attacker could exploit this to gain root privileges. Dan Rosenberg discovered that the CAN protocol on 64bit systems did not correctly calculate the size of certain buffers. A local attacker could exploit this to crash the system or possibly execute arbitrary code as the root user. Various other issues were also addressed.

tags | advisory, arbitrary, kernel, local, root, protocol
systems | linux, ubuntu
advisories | CVE-2010-3859, CVE-2010-3874, CVE-2010-3875, CVE-2010-3876, CVE-2010-3877, CVE-2010-3880, CVE-2010-4158, CVE-2010-4162, CVE-2010-4163, CVE-2010-4164, CVE-2010-4165, CVE-2010-4169, CVE-2010-4175, CVE-2010-4243, CVE-2010-4248, CVE-2010-4249, CVE-2010-4256, CVE-2010-4258, CVE-2010-4342, CVE-2010-4346, CVE-2010-4527, CVE-2010-4529, CVE-2010-4565, CVE-2010-4649, CVE-2010-4668, CVE-2011-0463, CVE-2011-0521, CVE-2011-0695
SHA-256 | 8526a398ece12352476245b529d050abf1036c6d1dbd6b2e79564438cb5f197c
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