CVE-2015-8019 Information

Description

The skb_copy_and_csum_datagram_iovec function in net/core/datagram.c in the Linux kernel 3.14.54 and 3.18.22 does not accept a length argument which allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact via a write system call followed by a recvmsg system call.

CVSS Vector

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00003.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00008.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00009.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00018.html http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00021.html http://patchwork.ozlabs.org/patch/530642/ http://www.openwall.com/lists/oss-security/2015/10/27/11 http://www.securityfocus.com/bid/77326 https://bugzilla.redhat.com/show_bug.cgi?id=1276588

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8