CVE-2017-5986

MEDIUM

Linux Kernel < 4.9.11 - Race Condition

Title source: rule

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.

References (8)

[Issue Tracking, Patch, Third Party Advisory] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2dcab598484185dea7ec22219c76dcdd59e3cb90

[Release Notes, Vendor Advisory] http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.11

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2017/02/14/6

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2017:1308

[Issue Tracking, Patch] https://bugzilla.redhat.com/show_bug.cgi?id=1420276

[Issue Tracking, Patch, Third Party Advisory] https://github.com/torvalds/linux/commit/2dcab598484185dea7ec22219c76dcdd59e3cb90

View Patch ZIP pw:eip

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/96222

[Third Party Advisory] http://www.debian.org/security/2017/dsa-3804

Scores

CVSS v3 5.5

EPSS 0.0055

EPSS Percentile 67.6%

Attack Vector LOCAL

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

Classification

CWE

CWE-362 CWE-617

Status published

Affected Products (2)

linux/linux_kernel < 4.9.11

n/a/n/a

Timeline

Published Feb 18, 2017

Tracked Since Feb 18, 2026