National Cyber Awareness System

Vulnerability Summary for CVE-2010-0453

Overview

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.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA10-103B

Name: TA10-103B

Hyperlink:http://www.us-cert.gov/cas/techalerts/TA10-103B.html

External Source: VUPEN

Name: ADV-2010-0270

Type: Advisory; Patch Information

Hyperlink:http://www.vupen.com/english/advisories/2010/0270

External Source: CONFIRM

Name: http://sunsolve.sun.com/search/document.do?assetkey=1-21-143913-01-1

Type: Patch Information

Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-21-143913-01-1

External Source: XF

Name: solaris-microcode-dos(55991)

Hyperlink:http://xforce.iss.net/xforce/xfdb/55991

External Source: MISC

Name: http://www.trapkit.de/advisories/TKADV2010-001.txt

Hyperlink:http://www.trapkit.de/advisories/TKADV2010-001.txt

External Source: BID

Name: 38016

Hyperlink:http://www.securityfocus.com/bid/38016

External Source: BUGTRAQ

Name: 20100131 [TKADV2010-001] Oracle Solaris UCODE_GET_VERSION IOCTL Kernel NULL Pointer Dereference

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/509276/100/0/threaded

External Source: CONFIRM

Name: http://www.oracle.com/technetwork/topics/security/cpuapr2010-099504.html

Hyperlink:http://www.oracle.com/technetwork/topics/security/cpuapr2010-099504.html

External Source: SUNALERT

Name: 1021799

Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021799.1-1

External Source: SUNALERT

Name: 275910

Hyperlink:http://sunsolve.sun.com/search/document.do?assetkey=1-66-275910-1

External Source: SECUNIA

Name: 38452

Type: Advisory

Hyperlink:http://secunia.com/advisories/38452

External Source: OVAL

Name: oval:org.mitre.oval:def:6959

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:6959

External Source: OSVDB

Name: 62046

Hyperlink:http://osvdb.org/62046

References to Check Content

Identifier:oval:org.mitre.oval:def:6959

Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:6959