CVE-2012-6657

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Summary

CVECVE-2012-6657
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-09-28 10:55:10 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe sock_setsockopt function in net/core/sock.c in the Linux kernel before 3.5.7 does not ensure that a keepalive action is associated with a stream socket, which allows local users to cause a denial of service (system crash) by leveraging the ability to create a raw socket.

Risk And Classification

Primary CVSS: v2.0 4.9 from [email protected]

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

Problem Types: CWE-264 | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel 3.5.1 All All All
Operating System Linux Linux Kernel 3.5.2 All All All
Operating System Linux Linux Kernel 3.5.3 All All All
Operating System Linux Linux Kernel 3.5.4 All All All
Operating System Linux Linux Kernel 3.5.5 All All All
Operating System Linux Linux Kernel All All All All
Operating System Novell Suse Linux Enterprise Server 10.0 sp4 All All
Operating System Novell Suse Linux Enterprise Server 11.0 sp1 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
net: guard tcp_set_keepalive() to tcp sockets · torvalds/linux@3e10986 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Exploit
Bug 1141742 – CVE-2012-6657 Kernel: net: guard tcp_set_keepalive against crash af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com
[security-announce] SUSE-SU-2015:0812-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
[security-announce] SUSE-SU-2015:0652-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7 af854a3a-2127-422b-91ae-364da2661108 www.kernel.org Vendor Advisory
'[security bulletin] HPSBGN03282 rev.1 - HP Business Service Manager Virtual Appliance, Multiple Vuln' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
oss-security - Re: CVE request Linux kernel: net: guard tcp_set_keepalive against crash af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
'[security bulletin] HPSBGN03285 rev.1 - HP Business Service Manager Virtual Appliance, Multiple Vul' - MARC af854a3a-2127-422b-91ae-364da2661108 marc.info
kernel/git/torvalds/linux.git - Linux kernel source tree MITRE git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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