Vulnerability Details : CVE-2012-6657
The 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.
Vulnerability category: Denial of service
Products affected by CVE-2012-6657
- cpe:2.3:o:novell:suse_linux_enterprise_server:10.0:sp4:*:*:ltss:*:*:*
- cpe:2.3:o:novell:suse_linux_enterprise_server:11.0:sp1:*:*:ltss:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.5.1:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.5.2:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.5.3:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.5.4:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:3.5.5:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-6657
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-6657
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.9
|
MEDIUM | AV:L/AC:L/Au:N/C:N/I:N/A:C |
3.9
|
6.9
|
NIST |
CWE ids for CVE-2012-6657
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-6657
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https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582
net: guard tcp_set_keepalive() to tcp sockets · torvalds/linux@3e10986 · GitHubExploit
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http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
[security-announce] SUSE-SU-2015:0652-1: important: Security update for
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http://marc.info/?l=bugtraq&m=142722544401658&w=2
'[security bulletin] HPSBGN03282 rev.1 - HP Business Service Manager Virtual Appliance, Multiple Vuln' - MARC
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http://www.openwall.com/lists/oss-security/2014/09/15/8
oss-security - Re: CVE request Linux kernel: net: guard tcp_set_keepalive against crash
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http://marc.info/?l=bugtraq&m=142722450701342&w=2
'[security bulletin] HPSBGN03285 rev.1 - HP Business Service Manager Virtual Appliance, Multiple Vul' - MARC
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http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3e10986d1d698140747fcfc2761ec9cb64c1d582
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https://bugzilla.redhat.com/show_bug.cgi?id=1141742
1141742 – (CVE-2012-6657) CVE-2012-6657 Kernel: net: guard tcp_set_keepalive against crash
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http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
[security-announce] SUSE-SU-2015:0812-1: important: Security update for
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http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7
Vendor Advisory
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