CVE-2017-5986

HIGH

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

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

Details

Source: MITRE

Published: 2017-02-18

Updated: 2018-01-05

Type: CWE-362

Risk Information

CVSS v2.0

Base Score: 7.1

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 8.6

Severity: HIGH

CVSS v3.0

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM