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CVE-2014-7207

Status Candidate

Overview

A certain Debian patch to the IPv6 implementation in the Linux kernel 3.2.x through 3.2.63 does not properly validate arguments in ipv6_select_ident function calls, which allows local users to cause a denial of service (NULL pointer dereference and system crash) by leveraging (1) tun or (2) macvtap device access.

Related Files

Ubuntu Security Notice USN-2417-1
Posted Nov 25, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2417-1 - Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. A flaw was discovered with the handling of the invept instruction in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. An unprivileged guest user could exploit this flaw to cause a denial of service (system crash) on the guest. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-3645, CVE-2014-3646, CVE-2014-3647, CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-3690, CVE-2014-4608, CVE-2014-7207, CVE-2014-7975
MD5 | 6f1c9e48ea0ccea9a6821a3a605b325d
Ubuntu Security Notice USN-2418-1
Posted Nov 25, 2014
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2418-1 - Nadav Amit reported that the KVM (Kernel Virtual Machine) mishandles noncanonical addresses when emulating instructions that change the rip (Instruction Pointer). A guest user with access to I/O or the MMIO can use this flaw to cause a denial of service (system crash) of the guest. A flaw was discovered with the handling of the invept instruction in the KVM (Kernel Virtual Machine) subsystem of the Linux kernel. An unprivileged guest user could exploit this flaw to cause a denial of service (system crash) on the guest. Various other issues were also addressed.

tags | advisory, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-3645, CVE-2014-3646, CVE-2014-3647, CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-3690, CVE-2014-4608, CVE-2014-7207, CVE-2014-7975
MD5 | 10c2c1fc3789621dbb081c9a2a1c8156
Debian Security Advisory 3060-1
Posted Oct 31, 2014
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3060-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2014-3610, CVE-2014-3611, CVE-2014-3645, CVE-2014-3646, CVE-2014-3647, CVE-2014-3673, CVE-2014-3687, CVE-2014-3688, CVE-2014-3690, CVE-2014-7207
MD5 | 0c9b1bb14b8b0fce3cf7b7819a4cbbf0
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