QEMU translation block buffer denial of service
| qemu-translationblock-dos (38806) |  Low Risk |
Description:
QEMU is vulnerable to a denial of service, caused by improper bounds checking by the translation block. A local attacker could exploit this vulnerability to cause a denial of service.
Platforms Affected:
- Fabrice Bellard, QEMU 0.9.0
- MandrakeSoft, Mandrake Linux 2008.0 X86_64
- MandrakeSoft, Mandrake Linux 2008.0
- MandrakeSoft, Mandrake Linux 2008.1 X86_64
- MandrakeSoft, Mandrake Linux 2008.1
Remedy:
Apply the appropriate patch for your system. See References.
Consequences:
Denial of Service
References:
- BugTraq Mailing List, Fri Nov 30 2007 - 10:26:53 CST , QEMU code_gen_buffer overflow POC at http://archives.neohapsis.com/archives/bugtraq/2007-11/0439.html.
- QEMU Web site, QEMU at http://fabrice.bellard.free.fr/qemu/.
- BID-26666: QEMU Translation Block Local Denial of Service Vulnerability
- CVE-2007-6227: QEMU 0.9.0 allows local users of a Windows XP SP2 guest operating system to overwrite the TranslationBlock (code_gen_buffer) buffer, and probably have unspecified other impacts related to an overflow
- MDVSA-2008:162: qemu
- SA29129: KVM Block Device Backend Security Bypass
Reported:
Nov 30, 2007
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