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CVE-2009-3722

Status Candidate

Overview

The handle_dr function in arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 2.6.31.1 does not properly verify the Current Privilege Level (CPL) before accessing a debug register, which allows guest OS users to cause a denial of service (trap) on the host OS via a crafted application.

Related Files

Mandriva Linux Security Advisory 2010-198
Posted Oct 8, 2010
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2010-198 - Some vulnerabilities were discovered and corrected in the Linux 2.6 kernel. These include memory disclosure, denial of service, NULL pointer dereference and privilege escalation issues.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, mandriva
advisories | CVE-2010-1088, CVE-2009-3228, CVE-2010-0415, CVE-2009-3620, CVE-2010-0622, CVE-2009-2287, CVE-2009-3722, CVE-2009-4308, CVE-2009-2846, CVE-2010-2521, CVE-2008-7256, CVE-2010-1162, CVE-2010-1643, CVE-2010-1173, CVE-2010-1187, CVE-2010-1173, CVE-2010-2248, CVE-2010-2492
MD5 | 996b79c3ea6230e42edec14d92fe4e2d
Mandriva Linux Security Advisory 2010-188
Posted Sep 24, 2010
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2010-188 - Some vulnerabilities were discovered and corrected in the Linux kernel. fs/namei.c in Linux kernel 2.6.18 through 2.6.34 does not always follow NFS automount symlinks, which allows attackers to have an unknown impact, related to LOOKUP_FOLLOW. The do_pages_move function in mm/migrate.c in the Linux kernel before 2.6.33-rc7 does not validate node values, which allows local users to read arbitrary kernel memory locations, cause a denial of service , and possibly have unspecified other impact by specifying a node that is not part of the kernel node set. Various other issues have been addressed.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, mandriva
advisories | CVE-2010-1088, CVE-2009-3228, CVE-2010-0415, CVE-2009-3620, CVE-2010-0622, CVE-2009-2287, CVE-2009-3722, CVE-2009-4308, CVE-2009-2846, CVE-2010-2521, CVE-2008-7256, CVE-2010-1162, CVE-2010-1643, CVE-2010-1173, CVE-2010-1187, CVE-2010-1173, CVE-2010-2248, CVE-2010-2492
MD5 | 42035b28e0f8169b22938a802ca0b831
Debian Linux Security Advisory 1962-1
Posted Dec 23, 2009
Authored by Debian | Site debian.org

Debian Linux Security Advisory 1962-1 - Several vulnerabilities have been discovered in kvm, a full virtualization system.

tags | advisory, vulnerability
systems | linux, debian
advisories | CVE-2009-3638, CVE-2009-3722, CVE-2009-4031
MD5 | 8100d11e4cc93f079b6145a47407a6aa
Ubuntu Security Notice 864-1
Posted Dec 5, 2009
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 864-1 - Kernel packages have been updated. It was discovered that the AX.25 network subsystem did not correctly check integer signedness in certain setsockopt calls. Jan Beulich discovered that the kernel could leak register contents to 32-bit processes that were switched to 64-bit mode. Dave Jones discovered that the gdth SCSI driver did not correctly validate array indexes in certain ioctl calls. Eric Dumazet and Jiri Pirko discovered that the TC and CLS subsystems would leak kernel memory via uninitialized structure members. Earl Chew discovered race conditions in pipe handling. There are about a dozen other issues also addressed.

tags | advisory, kernel
systems | linux, ubuntu
advisories | CVE-2009-2909, CVE-2009-2910, CVE-2009-3080, CVE-2009-3228, CVE-2009-3547, CVE-2009-3612, CVE-2009-3613, CVE-2009-3620, CVE-2009-3621, CVE-2009-3623, CVE-2009-3624, CVE-2009-3638, CVE-2009-3722, CVE-2009-3725, CVE-2009-3726, CVE-2009-3888, CVE-2009-3889, CVE-2009-3939
MD5 | e38ae4ed3f25d183f262c2fe08d3961a
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