CVE-2019-20054

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory opensuse.org Vendor Advisory kernel.org Vendor Advisory kernel.org Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.6 release notes vendor advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.11 release notes vendor advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=23da9588037ecdd4901db76a5b79a42b529c4ec3 patch vendor advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=89189557b47b35683a27c80ee78aef18248eefb4 patch vendor advisory
https://security.netapp.com/advisory/ntap-20200204-0002/ third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html broken link third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-20054?
CVE-2019-20054 has been scored as a medium severity vulnerability.
How to fix CVE-2019-20054?
To fix CVE-2019-20054, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-20054 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-20054 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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