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Vulnerability record · CVE-2010-0453 · published 3 February 2010

CVE-2010-0453: Sun opensolaris improper input validation vulnerability

Sun · Opensolaris

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.

4.9 CVSS 2.0 Medium EPSS 0.83% · top 43.9% CWE-20 · Improper input validation
4.9CVSS 2.0 base score
0.83%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
26References
16 Jun 2026Last modified by NVD

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.

AV:L/AC:L/Au:N/C:N/I:N/A:C

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-0453), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.