Description
A memory leak in the bnxt_re_create_srq() function in drivers/infiniband/hw/bnxt_re/ib_verbs.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering copy to udata failures, aka CID-4a9d46a9fe14.
References (5)
Core 5
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/4a9d46a9fe14401f21df69cea97c62396d5fb053
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20191205-0001/
Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4258-1/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4284-1/
Scores
CVSS v3
5.5
EPSS
0.0012
EPSS Percentile
30.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-401
Status
published
Products (4)
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
19.10
linux/linux_kernel
< 5.3.11
opensuse/leap
15.1
Published
Nov 18, 2019
Tracked Since
Feb 18, 2026