CVE-2010-0453 Information

Description

The ucode_ioctl function in intel/io/ucode_drv.c in Sun Solaris 10 and OpenSolaris snv_69 through snv_133 when running on x86 architectures allows local users to cause a denial of service (panic) via a request with a 0 size value to the UCODE_GET_VERSION IOCTL which triggers a NULL pointer dereference in the ucode_get_rev function related to retrieval of the microcode revision.

Reference

http://osvdb.org/62046 http://secunia.com/advisories/38452 http://sunsolve.sun.com/search/document.do?assetkey=1-21-143913-01-1 http://sunsolve.sun.com/search/document.do?assetkey=1-66-275910-1 http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021799.1-1 http://www.oracle.com/technetwork/topics/security/cpuapr2010-099504.html http://www.securityfocus.com/archive/1/509276/100/0/threaded http://www.securityfocus.com/bid/38016 http://www.trapkit.de/advisories/TKADV2010-001.txt http://www.us-cert.gov/cas/techalerts/TA10-103B.html http://www.vupen.com/english/advisories/2010/0270 https://exchange.xforce.ibmcloud.com/vulnerabilities/55991 https://oval.cisecurity.org/repository/search/definition/oval3Aorg.mitre.oval3Adef3A6959