Vulnerability CVE-2017-2634
Published: 2018-07-27

Description:
It was found that the Linux kernel's Datagram Congestion Control Protocol (DCCP) implementation before 2.6.22.17 used the IPv4-only inet_sk_rebuild_header() function for both IPv4 and IPv6 DCCP connections, which could result in memory corruptions. A remote attacker could use this flaw to crash the system.

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Redhat -> Enterprise linux desktop 
Redhat -> Enterprise linux server 
Redhat -> Enterprise linux server aus 
Redhat -> Enterprise linux workstation 
Linux -> Linux kernel 

 References:
http://rhn.redhat.com/errata/RHSA-2017-0323.html
http://rhn.redhat.com/errata/RHSA-2017-0346.html
http://rhn.redhat.com/errata/RHSA-2017-0347.html
http://www.securityfocus.com/bid/96529
http://www.securitytracker.com/id/1037909
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2634
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f53dc67c5e7babafe239b93a11678b0e05bead51
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