CVE-2019-20054

moderate-risk
Published 2019-12-28

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.

Do I need to act?

-
0.11% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.5/10 Medium
LOCAL / LOW complexity

Affected Products (13)

Fas\/Aff Baseboard Management Controller
8300 Firmware
8700 Firmware
A400 Firmware

Affected Vendors

Linux Netapp

References (12)

Broken Link http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.11
Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=23...
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89...
Third Party Advisory https://security.netapp.com/advisory/ntap-20200204-0002/
Broken Link http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.11
Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=23...
Patch https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89...
Third Party Advisory https://security.netapp.com/advisory/ntap-20200204-0002/
35
/ 100
moderate-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 17/34 · Moderate