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CVE-2010-3698

Status Candidate

Overview

The KVM implementation in the Linux kernel before 2.6.36 does not properly reload the FS and GS segment registers, which allows host OS users to cause a denial of service (host OS crash) via a KVM_RUN ioctl call in conjunction with a modified Local Descriptor Table (LDT).

Related Files

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
MD5 | 334e1774d95bf6c254e449cac03b734f
Ubuntu Security Notice USN-1081-1
Posted Mar 2, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1081-1 - The Linux 2.6 kernel had multiple vulnerabilities identified and addressed. It was discovered that KVM did not correctly initialize certain CPU registers. Thomas Pollet discovered that the RDS network protocol did not check certain iovec buffers. Vasiliy Kulikov discovered that the Linux kernel X.25 implementation did not correctly clear kernel memory. Vasiliy Kulikov discovered that the Linux kernel sockets implementation did not properly initialize certain structures. Various other issues were also addressed.

tags | advisory, kernel, vulnerability, protocol
systems | linux, ubuntu
advisories | CVE-2010-3698, CVE-2010-3865, CVE-2010-3875, CVE-2010-3876, CVE-2010-3877, CVE-2010-3880, CVE-2010-4079, CVE-2010-4083, CVE-2010-4248, CVE-2010-4342, CVE-2010-4346, CVE-2010-4527, CVE-2010-4649, CVE-2011-1044
MD5 | 1560817ccddd3675a7fb3925c07a4ad1
Ubuntu Security Notice USN-1073-1
Posted Feb 26, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1073-1 - Multiple vulnerabilities have been discovered and addressed in the Linux kernel. Gleb Napatov discovered that KVM did not correctly check certain privileged operations. Dan Jacobson discovered that ThinkPad video output was not correctly access controlled. Vasiliy Kulikov discovered that the Linux kernel X.25 implementation did not correctly clear kernel memory. Nelson Elhage discovered that the Linux kernel IPv4 implementation did not properly audit certain bytecodes in netlink messages. Dan Rosenberg discovered that the USB subsystem did not correctly initialize certain structures. Various other issues have also been addressed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2010-0435, CVE-2010-3448, CVE-2010-3698, CVE-2010-3859, CVE-2010-3865, CVE-2010-3873, CVE-2010-3874, CVE-2010-3875, CVE-2010-3876, CVE-2010-3877, CVE-2010-3880, CVE-2010-4074, CVE-2010-4078, CVE-2010-4079, CVE-2010-4080, CVE-2010-4081, CVE-2010-4082, CVE-2010-4083, CVE-2010-4157, CVE-2010-4160, CVE-2010-4165, CVE-2010-4169, CVE-2010-4248, CVE-2010-4249
MD5 | 8305a1531c118605c29aeddacbcfebd2
Ubuntu Security Notice USN-1072-1
Posted Feb 26, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1072-1 - Multiple vulnerabilities have been discovered and addressed in the Linux kernel. Gleb Napatov discovered that KVM did not correctly check certain privileged operations. Dave Chinner discovered that the XFS filesystem did not correctly order inode lookups when exported by NFS. Dan Rosenberg discovered that several network ioctls did not clear kernel memory correctly. Dan Jacobson discovered that ThinkPad video output was not correctly access controlled. Various other issues have also been addressed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2010-0435, CVE-2010-2943, CVE-2010-3296, CVE-2010-3297, CVE-2010-3448, CVE-2010-3698, CVE-2010-3699, CVE-2010-3858, CVE-2010-3859, CVE-2010-3873, CVE-2010-3875, CVE-2010-3876, CVE-2010-3877, CVE-2010-3880, CVE-2010-4072, CVE-2010-4074, CVE-2010-4078, CVE-2010-4079, CVE-2010-4080, CVE-2010-4081, CVE-2010-4083, CVE-2010-4157, CVE-2010-4160, CVE-2010-4248
MD5 | 27c3f06a2a4304897f036ea3734a09ea
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
MD5 | b09673d46bd0c26aeac9afa523e5a306
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