CVE-2019-20054

medium

Description

In the Linux kernel before 5.0.6, there is a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c, related to put_links, aka CID-23da9588037e.

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.11

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=23da9588037ecdd4901db76a5b79a42b529c4ec3

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89189557b47b35683a27c80ee78aef18248eefb4

https://security.netapp.com/advisory/ntap-20200204-0002/

Details

Published: 2019-12-28

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H