PRIOn knowledge basePRION:CVE-2010-0453Null pointer dereference
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.
References
osvdb.org/62046
secunia.com/advisories/38452
sunsolve.sun.com/search/document.do?assetkey=1-21-143913-01-1
sunsolve.sun.com/search/document.do?assetkey=1-66-275910-1
sunsolve.sun.com/search/document.do?assetkey=1-77-1021799.1-1
www.oracle.com/technetwork/topics/security/cpuapr2010-099504.html
www.securityfocus.com/archive/1/509276/100/0/threaded
www.securityfocus.com/bid/38016
www.trapkit.de/advisories/TKADV2010-001.txt
www.us-cert.gov/cas/techalerts/TA10-103B.html
www.vupen.com/english/advisories/2010/0270
exchange.xforce.ibmcloud.com/vulnerabilities/55991
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6959
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