Vulnerability Database

383,304

Total vulnerabilities in the database

CVE-2010-0453 — sun / opensolaris

Improper Input Validation

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.

  • Published: Feb 3, 2010
  • Updated: Sep 13, 2026
  • CVE: CVE-2010-0453
  • Severity: Medium
  • Exploit:
  • CISA KEV:

CVSS v2:

  • Severity: Medium
  • Score: 4.9
  • AV:L/AC:L/Au:N/C:N/I:N/A:C

CWEs:

Software Affected versions
sun / opensolaris = snv_69
sun / opensolaris = snv_70
sun / opensolaris = snv_71
sun / opensolaris = snv_72
sun / opensolaris = snv_73
sun / opensolaris = snv_74
sun / opensolaris = snv_75
sun / opensolaris = snv_76
sun / opensolaris = snv_77
sun / opensolaris = snv_78
sun / opensolaris = snv_79
sun / opensolaris = snv_80
sun / opensolaris = snv_81
sun / opensolaris = snv_82
sun / opensolaris = snv_83
sun / opensolaris = snv_84
sun / opensolaris = snv_85
sun / opensolaris = snv_86
sun / opensolaris = snv_87
sun / opensolaris = snv_88
sun / opensolaris = snv_89
sun / opensolaris = snv_90
sun / opensolaris = snv_91
sun / opensolaris = snv_92
sun / opensolaris = snv_93
sun / opensolaris = snv_94
sun / opensolaris = snv_95
sun / opensolaris = snv_96
sun / opensolaris = snv_97
sun / opensolaris = snv_98
sun / opensolaris = snv_99
sun / opensolaris = snv_100
sun / opensolaris = snv_101
sun / opensolaris = snv_102
sun / opensolaris = snv_103
sun / opensolaris = snv_104
sun / opensolaris = snv_105
sun / opensolaris = snv_106
sun / opensolaris = snv_107
sun / opensolaris = snv_108
sun / opensolaris = snv_109
sun / opensolaris = snv_110
sun / opensolaris = snv_111
sun / opensolaris = snv_112
sun / opensolaris = snv_113
sun / opensolaris = snv_114
sun / opensolaris = snv_115
sun / opensolaris = snv_116
sun / opensolaris = snv_117
sun / opensolaris = snv_118
sun / opensolaris = snv_119
sun / opensolaris = snv_120
sun / opensolaris = snv_121
sun / opensolaris = snv_122
sun / opensolaris = snv_123
sun / opensolaris = snv_124
sun / opensolaris = snv_125
sun / opensolaris = snv_126
sun / opensolaris = snv_127
sun / opensolaris = snv_128
sun / opensolaris = snv_129
sun / opensolaris = snv_130
sun / opensolaris = snv_131
sun / opensolaris = snv_132
sun / opensolaris = snv_133
sun / solaris = 10.0

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.