Description
The tcp_disconnect function in net/ipv4/tcp.c in the Linux kernel before 4.12 allows local users to cause a denial of service (__tcp_select_window divide-by-zero error and system crash) by triggering a disconnect within a certain tcp_recvmsg code path.
References (12)
Core 12
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:3200
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2918
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2931
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/100878
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3981
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/499350a5a6e7512d9ed369ed63a4244b6536f4f8
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=499350a5a6e7512d9ed369ed63a4244b6536f4f8
Mailing List x_refsource_confirm
https://www.mail-archive.com/netdev%40vger.kernel.org/msg186255.html
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2017:2930
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1039549
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:2172
Scores
CVSS v3
5.5
EPSS
0.0008
EPSS Percentile
23.9%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-369
Status
published
Products (1)
linux/linux_kernel
< 4.11.12
Published
Sep 01, 2017
Tracked Since
Feb 18, 2026