CVE-2007-1730

Severity: medium (CVSS 6.6 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

Integer signedness error in the DCCP support in the do_dccp_getsockopt function in net/dccp/proto.c in Linux kernel 2.6.20 and later allows local users to read kernel memory or cause a denial of service (oops) via a negative optlen value.

Affected products

Linux kernel: 2.6.20, 2.6.20.1, 2.6.20.2

References

http://marc.info/?l=dccp&m=117509584316267&w=2
http://secunia.com/advisories/25392
http://securityreason.com/securityalert/2482
http://www.securityfocus.com/archive/1/463934/100/0/threaded
http://www.securityfocus.com/archive/1/464144/100/0/threaded
http://www.securityfocus.com/bid/23162
http://www.securitytracker.com/id?1017820
http://www.ubuntu.com/usn/usn-464-1
http://www.vupen.com/english/advisories/2007/1143
https://exchange.xforce.ibmcloud.com/vulnerabilities/33274
http://marc.info/?l=dccp&m=117509584316267&w=2
http://secunia.com/advisories/25392

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