CVE-2012-6657

Severity

49%

Complexity

39%

Confidentiality

115%

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.

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.

CVSS 2.0 Base Score 4.9. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:N/I:N/A:C).

Overview

First reported 10 years ago

2014-09-28 10:55:00

Last updated 8 years ago

2016-08-23 02:06:00

Affected Software

Linux Kernel 3.5.1

3.5.1

Linux Kernel 3.5.2

3.5.2

Linux Kernel 3.5.3

3.5.3

Linux Kernel 3.5.4

3.5.4

Linux Kernel 3.5.5

3.5.5

Linux Kernel

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=3e10986d1d698140747fcfc2761ec9cb64c1d582

Exploit

SUSE-SU-2015:0652

SUSE-SU-2015:0812

HPSBGN03285

HPSBGN03282

http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7

Vendor Advisory

[oss-security] 20140915 Re: CVE request Linux kernel: net: guard tcp_set_keepalive against crash

https://bugzilla.redhat.com/show_bug.cgi?id=1141742

https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582

Exploit

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