Description
Race condition in net/packet/af_packet.c in the Linux kernel before 4.9.13 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a multithreaded application that makes PACKET_FANOUT setsockopt system calls.
References (7)
Core 7
Core References
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/96508
Patch, Vendor Advisory x_refsource_confirm
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d199fab63c11998a602205f7ee7ff7c05c97164b
Third Party Advisory x_refsource_confirm
https://source.android.com/security/bulletin/2017-09-01
Patch, Release Notes, Vendor Advisory x_refsource_confirm
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13
Mailing List, Patch, Third Party Advisory mailing-list
x_refsource_mlist
http://www.openwall.com/lists/oss-security/2017/02/28/6
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2017/dsa-3804
Patch, Vendor Advisory x_refsource_confirm
https://github.com/torvalds/linux/commit/d199fab63c11998a602205f7ee7ff7c05c97164b
Scores
CVSS v3
7.0
EPSS
0.0006
EPSS Percentile
18.0%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-362
CWE-416
Status
published
Products (1)
linux/linux_kernel
3.1 - 3.2.87
Published
Mar 01, 2017
Tracked Since
Feb 18, 2026