CVE-2019-12984

Description

A NULL pointer dereference vulnerability in the function nfc_genl_deactivate_target() in net/nfc/netlink.c in the Linux kernel before 5.1.13 can be triggered by a malicious user-mode program that omits certain NFC attributes, leading to denial of service.

Category

5.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.57%
Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/torvalds/linux/commit/385097a3675749cbc9e97c085c0e5dfe4269ca51 third party advisory patch
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.13 release notes vendor advisory
http://www.securityfocus.com/bid/108905 vdb entry third party advisory
https://security.netapp.com/advisory/ntap-20190806-0001/
https://www.debian.org/security/2019/dsa-4495 vendor advisory
https://seclists.org/bugtraq/2019/Aug/13 mailing list
https://usn.ubuntu.com/4093-1/ vendor advisory
https://usn.ubuntu.com/4094-1/ vendor advisory
http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
https://usn.ubuntu.com/4117-1/ vendor advisory
https://usn.ubuntu.com/4118-1/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-12984?
CVE-2019-12984 has been scored as a medium severity vulnerability.
How to fix CVE-2019-12984?
To fix CVE-2019-12984, 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-2019-12984 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-12984 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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