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CVE-2011-1750

Status Candidate

Overview

Multiple heap-based buffer overflows in the virtio-blk driver (hw/virtio-blk.c) in qemu-kvm 0.14.0 allow local guest users to cause a denial of service (guest crash) and possibly gain privileges via a (1) write request to the virtio_blk_handle_write function or (2) read request to the virtio_blk_handle_read function that is not properly aligned.

Related Files

Gentoo Linux Security Advisory 201210-04
Posted Oct 18, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201210-4 - Multiple vulnerabilities were found in qemu-kvm, allowing attackers to execute arbitrary code. Versions less than 1.1.1-r1 are affected.

tags | advisory, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2011-1750, CVE-2011-1751, CVE-2011-2212, CVE-2011-2512, CVE-2012-0029, CVE-2012-2652
SHA-256 | 06a3dcc607829516f85c54a5f5e6c417bc1c799c5779cfc55ea88d07821757e1
Ubuntu Security Notice USN-1145-1
Posted Jun 10, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1145-1 - It was discovered that QEMU did not properly perform validation of I/O operations from the guest which could lead to heap corruption. An attacker could exploit this to cause a denial of service of the guest or possibly execute code with the privileges of the user invoking the program. Nelson Elhage discovered that QEMU did not properly handle memory when removing ISA devices. An attacker could exploit this to cause a denial of service of the guest or possibly execute code with the privileges of the user invoking the program. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2011-1750, CVE-2011-1751
SHA-256 | 29bcfefee7ae3f99088f1c110581a3f5650de101fcda3cf0f732eb5447e7392c
Debian Security Advisory 2230-1
Posted May 2, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2230-1 - Two vulnerabilities have been discovered in KVM, a solution for full virtualization on x86 hardware.

tags | advisory, x86, vulnerability
systems | linux, debian
advisories | CVE-2011-0011, CVE-2011-1750
SHA-256 | 61ae493a42caf194662c3546704f4d2f3505ccec3866ac23397b6dc45d9e1095
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