Description
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
References (11)
Core 11
Core References
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.kernel.org/show_bug.cgi?id=206361
Mailing List, Third Party Advisory vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4344-1/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4345-1/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4342-1/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4346-1/
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4698
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200924-0004/
Scores
CVSS v3
7.1
EPSS
0.0003
EPSS Percentile
10.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Details
CWE
CWE-416
Status
published
Products (11)
broadcom/brocade_fabric_operating_system_firmware
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04 (2 CPE variants)
canonical/ubuntu_linux
18.04
debian/debian_linux
8.0
linux/linux_kernel
< 5.5.2
netapp/active_iq_unified_manager
netapp/cloud_backup
netapp/hci_baseboard_management_controller
h410c
netapp/solidfire_baseboard_management_controller
... and 1 more
Published
Feb 06, 2020
Tracked Since
Feb 18, 2026