What’s Vulnerable › Vulnerabilities

CVE-2009-2793

• Severity: medium (CVSS 4.6 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2009-09-18 · updated 2026-06-16
• Weakness: CWE-264

Description

The kernel in NetBSD, probably 5.0.1 and earlier, on x86 platforms does not properly handle a pre-commit failure of the iret instruction, which might allow local users to gain privileges via vectors related to a tempEIP pseudocode variable that is outside of the code-segment limits.

Affected products

• Netbsd: through 5.0.1; 0.8, 0.9, 1.0, 1.1, 1.2, 1.2.1 (+23)

References

• http://www.securityfocus.com/archive/1/506531/100/0/threaded
• http://www.securityfocus.com/archive/1/506531/100/0/threaded

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