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CVE-2010-0298

Status Candidate

Overview

The x86 emulator in KVM 83 does not use the Current Privilege Level (CPL) and I/O Privilege Level (IOPL) in determining the memory access available to CPL3 code, which allows guest OS users to cause a denial of service (guest OS crash) or gain privileges on the guest OS by leveraging access to a (1) IO port or (2) MMIO region, a related issue to CVE-2010-0306.

Related Files

Ubuntu Security Notice 947-2
Posted Jun 4, 2010
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 947-2 - USN-947-1 fixed vulnerabilities in the Linux kernel. Fixes for CVE-2010-0419 caused failures when using KVM in certain situations. This update reverts that fix until a better solution can be found.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2009-4271, CVE-2009-4537, CVE-2010-0008, CVE-2010-0298, CVE-2010-0306, CVE-2010-0419, CVE-2010-0437, CVE-2010-0727, CVE-2010-0741, CVE-2010-1083, CVE-2010-1084, CVE-2010-1085, CVE-2010-1086, CVE-2010-1087, CVE-2010-1088, CVE-2010-1146, CVE-2010-1148, CVE-2010-1162
MD5 | 732599174c8b3133353681c6f768ec33
Ubuntu Security Notice 947-1
Posted Jun 4, 2010
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 947-1 - It was discovered that the Linux kernel did not correctly handle memory protection of the Virtual Dynamic Shared Object page when running a 32-bit application on a 64-bit kernel. It was discovered that the r8169 network driver did not correctly check the size of Ethernet frames. Wei Yongjun discovered that SCTP did not correctly validate certain chunks. It was discovered that KVM did not correctly limit certain privileged IO accesses on x86. Evgeniy Polyakov discovered that IPv6 did not correctly handle certain TUN packets. Tons of other vulnerabilities have also been discovered and addressed.

tags | advisory, x86, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2009-4271, CVE-2009-4537, CVE-2010-0008, CVE-2010-0298, CVE-2010-0306, CVE-2010-0419, CVE-2010-0437, CVE-2010-0727, CVE-2010-0741, CVE-2010-1083, CVE-2010-1084, CVE-2010-1085, CVE-2010-1086, CVE-2010-1087, CVE-2010-1088, CVE-2010-1146, CVE-2010-1148, CVE-2010-1162
MD5 | 442e41bd5e2b5a685142ef298466b896
Debian Linux Security Advisory 2010-1
Posted Mar 11, 2010
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2010-1 - Several local vulnerabilities have been discovered in kvm, a full virtualization system.

tags | advisory, local, vulnerability
systems | linux, debian
advisories | CVE-2010-0298, CVE-2010-0306, CVE-2010-0309, CVE-2010-0419
MD5 | 9788cbb573058e0b20c9bfce74f717e5
Debian Linux Security Advisory 1996-1
Posted Feb 15, 2010
Authored by Debian | Site debian.org

Debian Linux Security Advisory 1996-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service, sensitive memory leak or privilege escalation.

tags | advisory, denial of service, kernel, vulnerability, memory leak
systems | linux, debian
advisories | CVE-2009-3939, CVE-2009-4027, CVE-2009-4536, CVE-2009-4538, CVE-2010-0003, CVE-2010-0007, CVE-2010-0291, CVE-2010-0298, CVE-2010-0306, CVE-2010-0307, CVE-2010-0309, CVE-2010-0410, CVE-2010-0415
MD5 | fbdc26403ae55b8522f95a30964c1ce5
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