UBUNTU-CVE-2012-6657
Advisory lineage Upstream: 1 Downstream: 0
Upstream
Published: 28 Sept 2014, 00:00
Last modified:04 Feb 2026, 02:45
Vulnerability Summary
Overall Risk (default)
minimal
0/100 CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
28 Sept 2014, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 02:45
Last Modified
Vulnerability information updated
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.
Affected Systems
- ubuntu•linux
< 3.11.0-12.19 | < 4.2.0-16.19
- ubuntu•linux-aws
< 4.4.0-1002.2 | < 4.4.0-1001.10
- ubuntu•linux-gke
< 4.4.0-1003.3
- ubuntu•linux-goldfish
< 3.4.0-4.27
- ubuntu•linux-hwe
< 4.8.0-36.36~16.04.1
- ubuntu•linux-lts-utopic
< 3.16.0-25.33~14.04.2
- ubuntu•linux-lts-vivid
< 3.19.0-18.18~14.04.1
- ubuntu•linux-lts-wily
< 4.2.0-18.22~14.04.1
- ubuntu•linux-lts-xenial
< 4.4.0-13.29~14.04.1
- ubuntu•linux-raspi2
< 4.2.0-1013.19
- ubuntu•linux-snapdragon
< 4.4.0-1012.12
References (7)
- https://ubuntu.com/security/CVE-2012-6657
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3e10986d1d698140747fcfc2761ec9cb64c1d582
- https://ubuntu.com/security/notices/USN-1900-1
- https://ubuntu.com/security/notices/USN-1645-1
- https://ubuntu.com/security/notices/USN-1644-1
- https://ubuntu.com/security/notices/USN-1899-1
- https://www.cve.org/CVERecord?id=CVE-2012-6657