CVE-2012-6657
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
7 High
AI Score
Confidence
High
0.0005 Low
EPSS
Percentile
16.0%
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.
Affected configurations
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3e10986d1d698140747fcfc2761ec9cb64c1d582
lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
marc.info/?l=bugtraq&m=142722450701342&w=2
marc.info/?l=bugtraq&m=142722544401658&w=2
www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7
www.openwall.com/lists/oss-security/2014/09/15/8
bugzilla.redhat.com/show_bug.cgi?id=1141742
github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582
Related
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
7 High
AI Score
Confidence
High
0.0005 Low
EPSS
Percentile
16.0%