Home/CVE/In the Linux kernel before 5.0.6, there is a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c, r
CVE

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, r

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.

MEDIUM · CVSS 5.5 EPSS 0.00113
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

13
linux kernel< 5.0.6
netapp active iq unified managerall versions
netapp cloud backupall versions
netapp data availability servicesall versions
netapp e-series santricity os controller>= 11.0 and <= 11.70.2
netapp fas\/aff baseboard management controllerall versions
netapp solidfire \& hci management nodeall versions
netapp steelstore cloud integrated storageall versions
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Dec 2019 · 05:15 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

17
rhsaRHSA-2020:4431Low
rhsaRHSA-2020:4609Important
suse-csafSUSE-SU-2020:1663-1
rhsaRHSA-2020:4062Moderate
rhsaRHSA-2020:4060Moderate
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.htmlBroken LinkThird Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.11Release NotesVendor Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6Release NotesVendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=23da9588037ecdd4901db76a5b79a42b529c4ec3PatchVendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89189557b47b35683a27c80ee78aef18248eefb4PatchVendor Advisory
https://security.netapp.com/advisory/ntap-20200204-0002/Third Party Advisory
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