VulnerabilityModified
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…
MEDIUM 4.9EPSS 0.53%
Does this matter?
Lower severity and a low EPSS score (0.53%). Track it; it rarely justifies an emergency change on its own.
Description
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
- 4.9 MEDIUMAV:L/AC:L/Au:N/C:N/I:N/A:C
- EPSS
- 0.53% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-264
- Affected
- linux/linux kernel · novell/suse linux enterprise server
- Source
- secalert@redhat.com
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3e10986d1d698140747fcfc2761ec9cb64c1d582
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://marc.info/?l=bugtraq&m=142722450701342&w=2
- http://marc.info/?l=bugtraq&m=142722544401658&w=2
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7Vendor Advisory
- http://www.openwall.com/lists/oss-security/2014/09/15/8
- https://bugzilla.redhat.com/show_bug.cgi?id=1141742
- https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582Exploit
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=3e10986d1d698140747fcfc2761ec9cb64c1d582
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00020.html
- http://marc.info/?l=bugtraq&m=142722450701342&w=2
- http://marc.info/?l=bugtraq&m=142722544401658&w=2
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.5.7Vendor Advisory
- http://www.openwall.com/lists/oss-security/2014/09/15/8
- https://bugzilla.redhat.com/show_bug.cgi?id=1141742
- https://github.com/torvalds/linux/commit/3e10986d1d698140747fcfc2761ec9cb64c1d582Exploit
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.