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CVE-2010-0453Date: (C)2010-02-03   (M)2018-02-19


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 4.9
Exploit Score: 3.9
Impact Score: 6.9
 
CVSS V2 Metrics:
Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality: NONE
Integrity: NONE
Availability: COMPLETE
  
Reference:
SUNALERT-1021799
http://www.securityfocus.com/archive/1/archive/1/509276/100/0/threaded
SUNALERT-275910
BID-38016
SECUNIA-38452
OSVDB-62046
ADV-2010-0270
TA10-103B
http://sunsolve.sun.com/search/document.do?assetkey=1-21-143913-01-1
http://www.oracle.com/technetwork/topics/security/cpuapr2010-099504.html
http://www.trapkit.de/advisories/TKADV2010-001.txt
solaris-microcode-dos(55991)

CWE    1
CWE-20

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