Description
A memory leak in the crypto_reportstat() function in drivers/virt/vboxguest/vboxguest_utils.c in the Linux kernel before 5.3.9 allows attackers to cause a denial of service (memory consumption) by triggering copy_form_user() failures, aka CID-e0b0cb938864.
References (5)
Core 5
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.9
Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/e0b0cb9388642c104838fac100a4af32745621e2
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4208-1/
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20191205-0001/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4226-1/
Scores
CVSS v3
7.5
EPSS
0.0120
EPSS Percentile
79.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-401
Status
published
Products (3)
canonical/ubuntu_linux
18.04
canonical/ubuntu_linux
19.10
linux/linux_kernel
4.16 - 4.19.82
Published
Nov 18, 2019
Tracked Since
Feb 18, 2026