Medium severity · published Dec 28, 2019
CVE-2019-20054
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
5.5
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 41% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Kernel · Linux
before 5.0.6 · source: NVD
8F
8300 Firmware · Netapp
All versions, or not specified · source: NVD
8F
8700 Firmware · Netapp
All versions, or not specified · source: NVD
AF
A400 Firmware · Netapp
All versions, or not specified · source: NVD
AI
Active IQ Unified Manager · Netapp
All versions, or not specified · source: NVD
CB
Cloud Backup · Netapp
All versions, or not specified · source: NVD
DA
Data Availability Services · Netapp
All versions, or not specified · source: NVD
ES
E-series Santricity OS Controller · Netapp
11.0 through 11.70.2 · source: NVD
FB
Fas/aff Baseboard Management Controller · Netapp
All versions, or not specified · source: NVD
HF
H610s Firmware · Netapp
All versions, or not specified · source: NVD
SH
Solidfire & Hci Management Node · Netapp
All versions, or not specified · source: NVD
SB
Solidfire Baseboard Management Controller · Netapp
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-20054
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-20054
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=23da9588037ecdd4901db76a5b79a42b529c4ec3
Patch
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89189557b47b35683a27c80ee78aef18248eefb4
Third Party Advisory
https://security.netapp.com/advisory/ntap-20200204-0002/
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