What’s Vulnerable › Vulnerabilities

CVE-2007-1734

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2007-03-28 · updated 2026-06-16

Description

The DCCP support in the do_dccp_getsockopt function in net/dccp/proto.c in Linux kernel 2.6.20 and later does not verify the upper bounds of the optlen value, which allows local users running on certain architectures to read kernel memory or cause a denial of service (oops), a related issue to CVE-2007-1730.

Affected products

• Linux kernel: 2.6.20, 2.6.20.1, 2.6.20.2

References

• http://securityreason.com/securityalert/2511
• http://www.securityfocus.com/archive/1/463969/100/0/threaded
• http://www.securitytracker.com/id?1017820
• https://exchange.xforce.ibmcloud.com/vulnerabilities/33274
• https://exchange.xforce.ibmcloud.com/vulnerabilities/43321
• http://securityreason.com/securityalert/2511
• http://www.securityfocus.com/archive/1/463969/100/0/threaded
• http://www.securitytracker.com/id?1017820
• https://exchange.xforce.ibmcloud.com/vulnerabilities/33274
• https://exchange.xforce.ibmcloud.com/vulnerabilities/43321

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