CVE-2010-0453

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.

• CWE-20

• http://osvdb.org/62046
• http://secunia.com/advisories/38452Vendor Advisory
• http://sunsolve.sun.com/search/document.do?assetkey=1-21-143913-01-1Patch
• 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.htmlUS Government Resource
• http://www.vupen.com/english/advisories/2010/0270Patch, Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/55991
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6959
• http://osvdb.org/62046
• http://secunia.com/advisories/38452Vendor Advisory
• http://sunsolve.sun.com/search/document.do?assetkey=1-21-143913-01-1Patch
• 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.htmlUS Government Resource
• http://www.vupen.com/english/advisories/2010/0270Patch, Vendor Advisory
• https://exchange.xforce.ibmcloud.com/vulnerabilities/55991
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6959

Published

Feb 3, 2010

Last Modified

Jun 16, 2026

Status

Modified

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