CVE-2017-5986 Information

Description

Race condition in the sctp_wait_for_sndbuf function in net/sctp/socket.c in the Linux kernel before 4.9.11 allows local users to cause a denial of service (assertion failure and panic) via a multithreaded application that peels off an association in a certain buffer-full state.

CVSS Vector

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

Reference

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2dcab598484185dea7ec22219c76dcdd59e3cb90 http://www.debian.org/security/2017/dsa-3804 http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11 http://www.openwall.com/lists/oss-security/2017/02/14/6 http://www.securityfocus.com/bid/96222 https://access.redhat.com/errata/RHSA-2017:1308 https://bugzilla.redhat.com/show_bug.cgi?id=1420276 https://github.com/torvalds/linux/commit/2dcab598484185dea7ec22219c76dcdd59e3cb90

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5