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CVE-2017-2634

Date: July 27, 2018

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.

Language: C

Severity Score

Related Resources (10)

https://nvd.nist.gov/vuln/detail/CVE-2017-2634
http://rhn.redhat.com/errata/RHSA-2017-0346.html
http://www.securitytracker.com/id/1037909
http://rhn.redhat.com/errata/RHSA-2017-0347.html
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f53dc67c5e7babafe239b93a11678b0e05bead51
http://rhn.redhat.com/errata/RHSA-2017-0323.html
http://www.securityfocus.com/bid/96529
https://access.redhat.com/security/cve/CVE-2017-2634
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2634
https://www.mend.io/vulnerability-database/CVE-2017-2634

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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