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CVE-2007-1734

HighPublished

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...

Published: Mar 28, 2007
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Mar 27, 2007

Primary CVSS

7.2/ 10High

nvd · CVSS 2.0

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

EPSS probability estimate

0.7%

Low · next 30 days

Percentile: 52.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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.

Sources

Linux Kernel 2.6.20 with DCCP Support - Memory Disclosure (1)Exploit
Robert Swiecki · linux · Mar 27, 2007
Linux Kernel 2.6.20 with DCCP Support - Memory Disclosure (2)Exploit
Robert Swiecki · linux · Mar 28, 2007

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