CVE-2019-19462

MEDIUM

Linux Kernel <= 5.4.1 - Denial of Service via NULL alloc_percpu Result in relay_open

Title source: llm
STIX 2.1

Description

relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.

References (15)

Core 15
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4698
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2020/dsa-4699
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4414-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4425-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4439-1/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4440-1/
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20210129-0004/

Scores

CVSS v3 5.5
EPSS 0.0010
EPSS Percentile 28.0%
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-476
Status published
Products (15)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 20.04
debian/debian_linux 8.0
debian/debian_linux 9.0
debian/debian_linux 10.0
linux/linux_kernel < 5.4.1
netapp/active_iq_unified_manager 9.5
netapp/hci_compute_node
... and 5 more
Published Nov 30, 2019
Tracked Since Feb 18, 2026