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CVE-2010-4565

Status Candidate

Overview

The bcm_connect function in net/can/bcm.c (aka the Broadcast Manager) in the Controller Area Network (CAN) implementation in the Linux kernel 2.6.36 and earlier creates a publicly accessible file with a filename containing a kernel memory address, which allows local users to obtain potentially sensitive information about kernel memory use by listing this filename.

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-1187-1
Posted Aug 9, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1187-1 - It was discovered that KVM did not correctly initialize certain CPU registers. A local attacker could exploit this to crash the system, leading to a denial of service. Thomas Pollet discovered that the RDS network protocol did not check certain iovec buffers. A local attacker could exploit this to crash the system or possibly execute arbitrary code as the root user. Vasiliy Kulikov discovered that the Linux kernel X.25 implementation did not correctly clear kernel memory. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local, root, protocol
systems | linux, ubuntu
advisories | CVE-2010-3698, CVE-2010-3865, CVE-2010-3875, CVE-2010-3876, CVE-2010-3877, CVE-2010-3880, CVE-2010-3881, CVE-2010-4075, CVE-2010-4076, CVE-2010-4077, CVE-2010-4079, CVE-2010-4083, CVE-2010-4163, CVE-2010-4248, CVE-2010-4342, CVE-2010-4346, CVE-2010-4527, CVE-2010-4529, CVE-2010-4565, CVE-2010-4649, CVE-2010-4656, CVE-2010-4668, CVE-2011-0463, CVE-2011-0521, CVE-2011-0695, CVE-2011-0711, CVE-2011-0712, CVE-2011-0726
SHA-256 | a19be41338e6dd32d9108d32eb9499a6fb77d0e0338c29273697babba2520b9a
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
Ubuntu Security Notice USN-1159-1
Posted Jul 14, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1159-1 - Brad Spengler discovered that the kernel did not correctly account for userspace memory allocations during exec() calls. A local attacker could exploit this to consume all system memory, leading to a denial of service. Alexander Duyck discovered that the Intel Gigabit Ethernet driver did not correctly handle certain configurations. If such a device was configured without VLANs, a remote attacker could crash the system, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2010-4243, CVE-2010-4263, CVE-2010-4342, CVE-2010-4529, CVE-2010-4565, CVE-2011-0463, CVE-2011-0695, CVE-2011-0711, CVE-2011-0726, CVE-2011-1013, CVE-2011-1016, CVE-2011-1017, CVE-2011-1019, CVE-2011-1090, CVE-2011-1163, CVE-2011-1170, CVE-2011-1171, CVE-2011-1172, CVE-2011-1173, CVE-2011-1182, CVE-2011-1494, CVE-2011-1495, CVE-2011-1593, CVE-2011-1598, CVE-2011-1745, CVE-2011-1746, CVE-2011-1747, CVE-2011-1748
SHA-256 | b846a972a635d2f4929093c13ed01b597ac9a45ad66ad9a96e3d4bd83abe9d31
Ubuntu Security Notice USN-1164-1
Posted Jul 6, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1164-1 - Thomas Pollet discovered that the RDS network protocol did not check certain iovec buffers. A local attacker could exploit this to crash the system or possibly execute arbitrary code as the root user. 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, local, root, protocol
systems | linux, ubuntu
advisories | CVE-2010-4081, CVE-2010-3865, CVE-2010-3874, CVE-2010-3875, CVE-2010-3876, CVE-2010-3877, CVE-2010-3880, CVE-2010-4080, CVE-2010-4081, CVE-2010-4082, CVE-2010-4083, CVE-2010-4157, CVE-2010-4164, CVE-2010-4248, CVE-2010-4258, CVE-2010-4342, CVE-2010-4346, CVE-2010-4527, CVE-2010-4529, CVE-2010-4565, CVE-2010-4655, CVE-2010-4656, CVE-2011-0463, CVE-2011-0521, CVE-2011-0695, CVE-2011-0711, CVE-2011-0712, CVE-2011-1017
SHA-256 | 4e4395012a3efacb0412aff2ad1192af5495aeffbe292f807d0de267e1af68f2
Ubuntu Security Notice USN-1162-1
Posted Jul 5, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1162-1 - Brad Spengler discovered that the kernel did not correctly account for userspace memory allocations during exec() calls. A local attacker could exploit this to consume all system memory, leading to a denial of service. Alexander Duyck discovered that the Intel Gigabit Ethernet driver did not correctly handle certain configurations. If such a device was configured without VLANs, a remote attacker could crash the system, leading to a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2010-4243, CVE-2010-4263, CVE-2010-4342, CVE-2010-4529, CVE-2010-4565, CVE-2011-0463, CVE-2011-0695, CVE-2011-0711, CVE-2011-0726, CVE-2011-1013, CVE-2011-1016, CVE-2011-1017, CVE-2011-1019, CVE-2011-1090, CVE-2011-1163, CVE-2011-1182, CVE-2011-1494, CVE-2011-1495, CVE-2011-1593, CVE-2011-1598, CVE-2011-1745, CVE-2011-1746, CVE-2011-1747, CVE-2011-1748, CVE-2011-2022
SHA-256 | 5f9dbdee4c9cb66849ecb0fc61bcdea533d2e1379acc2d9161a3c99809f90f7e
Ubuntu Security Notice USN-1160-1
Posted Jun 28, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1160-1 - Dan Rosenberg discovered that IRDA did not correctly check the size of buffers. On non-x86 systems, a local attacker could exploit this to read kernel heap memory, leading to a loss of privacy. Dan Rosenburg discovered that the CAN subsystem leaked kernel addresses into the /proc filesystem. A local attacker could use this to increase the chances of a successful memory corruption exploit. Kees Cook discovered that the IOWarrior USB device driver did not correctly check certain size fields. A local attacker with physical access could plug in a specially crafted USB device to crash the system or potentially gain root privileges. Various other issues were also addressed.

tags | advisory, x86, kernel, local, root
systems | linux, ubuntu
advisories | CVE-2010-4529, CVE-2010-4565, CVE-2010-4656, CVE-2011-0463, CVE-2011-0521, CVE-2011-0695, CVE-2011-0711, CVE-2011-0712, CVE-2011-0726, CVE-2011-1010, CVE-2011-1012, CVE-2011-1013, CVE-2011-1016, CVE-2011-1017, CVE-2011-1019, CVE-2011-1082, CVE-2011-1083, CVE-2011-1169, CVE-2011-1182, CVE-2011-1494, CVE-2011-1495, CVE-2011-1593, CVE-2011-1745, CVE-2011-1748, CVE-2011-2022
SHA-256 | 934e3131ff453ae37627f4f3e4e27245ba82027abdbac477246bd7efd898fe63
Ubuntu Security Notice USN-1141-1
Posted Jun 1, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1141-1 - Brad Spengler discovered that the kernel did not correctly account for userspace memory allocations during exec() calls. A local attacker could exploit this to consume all system memory, leading to a denial of service. Alexander Duyck discovered that the Intel Gigabit Ethernet driver did not correctly handle certain configurations. If such a device was configured without VLANs, a remote attacker could crash the system, leading to a denial of service. Various other issues were also discovered.

tags | advisory, remote, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2010-4243, CVE-2010-4263, CVE-2010-4342, CVE-2010-4529, CVE-2010-4565, CVE-2010-4656, CVE-2011-0463, CVE-2011-0521, CVE-2011-0695, CVE-2011-0712, CVE-2011-0726, CVE-2011-1010, CVE-2011-1012, CVE-2011-1013, CVE-2011-1016, CVE-2011-1019, CVE-2011-1082, CVE-2011-1083, CVE-2011-1182
SHA-256 | 57d390bf303463d6c20dbdd18a9985526c1055c3466d6eb556248e59af380d06
Mandriva Linux Security Advisory 2011-029
Posted Feb 18, 2011
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2011-029 - Multiple vulnerabilities have been discovered and fixed in the Linux 2.6 kernel. The X.25 implementation does not properly parse facilities, which allows remote attackers to cause a denial of service (heap memory corruption and panic) or possibly have unspecified other impact via malformed data, a different vulnerability than CVE-2010-4164. The bcm_connect function Broadcast Manager in the Controller Area Network implementation in the Linux creates a publicly accessible file with a filename containing a kernel memory address, which allows local users to obtain potentially sensitive information about kernel memory use by listing this filename. The install_special_mapping function in mm/mmap.c does not make an expected security_file_mmap function call, which allows local users to bypass intended mmap_min_addr restrictions and possibly conduct NULL pointer dereference attacks via a crafted assembly-language application. Various other issues have also been addressed.

tags | advisory, remote, denial of service, kernel, local, vulnerability
systems | linux, mandriva
advisories | CVE-2010-3873, CVE-2010-4565, CVE-2010-4346, CVE-2010-4158, CVE-2010-3874, CVE-2010-4163, CVE-2010-4164, CVE-2009-4307, CVE-2010-4162, CVE-2010-3015, CVE-2010-4258, CVE-2010-3875, CVE-2010-3067, CVE-2010-4248, CVE-2010-3437, CVE-2010-3877, CVE-2009-2406, CVE-2010-3859, CVE-2010-4073, CVE-2010-4072, CVE-2010-3705, CVE-2010-4165, CVE-2010-3310, CVE-2010-3698
SHA-256 | 65f216d797172b0ef5fb798cc0c6bfad2e1a9bea20f92874be16068901dbc644
Debian Security Advisory 2153-1
Posted Jan 31, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2153-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leak.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2010-0435, CVE-2010-3699, CVE-2010-4158, CVE-2010-4162, CVE-2010-4163, CVE-2010-4242, CVE-2010-4243, CVE-2010-4248, CVE-2010-4249, CVE-2010-4258, CVE-2010-4342, CVE-2010-4346, CVE-2010-4526, CVE-2010-4527, CVE-2010-4529, CVE-2010-4565, CVE-2010-4649, CVE-2010-4656, CVE-2010-4668, CVE-2011-0521
SHA-256 | 8325ac762b97fadf5ff408a660bd3635c9b9e72fedb6bc2b1aa5b5ae6dbec3e8
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