Vulnerability Details : CVE-2019-12984
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.
Vulnerability category: Memory CorruptionDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2019-12984
Probability of exploitation activity in the next 30 days: 0.12%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 45 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2019-12984
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2019-12984
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A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-12984
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https://www.debian.org/security/2019/dsa-4495
Debian -- Security Information -- DSA-4495-1 linux
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https://usn.ubuntu.com/4117-1/
USN-4117-1: Linux kernel (AWS) vulnerabilities | Ubuntu security notices
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http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
Kernel Live Patch Security Notice LSN-0054-1 ≈ Packet Storm
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https://usn.ubuntu.com/4093-1/
USN-4093-1: Linux kernel vulnerabilities | Ubuntu security notices
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https://usn.ubuntu.com/4094-1/
USN-4094-1: Linux kernel vulnerabilities | Ubuntu security notices
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https://security.netapp.com/advisory/ntap-20190806-0001/
July 2019 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security
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https://usn.ubuntu.com/4118-1/
USN-4118-1: Linux kernel (AWS) vulnerabilities | Ubuntu security notices
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http://www.securityfocus.com/bid/108905
Linux Kernel CVE-2019-12984 Null Pointer Dereference Remote Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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https://seclists.org/bugtraq/2019/Aug/13
Bugtraq: [SECURITY] [DSA 4495-1] linux security update
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https://github.com/torvalds/linux/commit/385097a3675749cbc9e97c085c0e5dfe4269ca51
nfc: Ensure presence of required attributes in the deactivate_target … · torvalds/linux@385097a · GitHubPatch;Third Party Advisory
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https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.13
Release Notes;Vendor Advisory
Products affected by CVE-2019-12984
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*