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Vulnerability Details : CVE-2019-12818

An issue was discovered in the Linux kernel before 4.20.15. The nfc_llcp_build_tlv function in net/nfc/llcp_commands.c may return NULL. If the caller does not check for this, it will trigger a NULL pointer dereference. This will cause denial of service. This affects nfc_llcp_build_gb in net/nfc/llcp_core.c.
Publish Date : 2019-06-14 Last Update Date : 2019-06-18
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 476

- Products Affected By CVE-2019-12818

# Product Type Vendor Product Version Update Edition Language
1 OS Linux Linux Kernel * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Linux Linux Kernel 1

- References For CVE-2019-12818

https://usn.ubuntu.com/4118-1/
UBUNTU USN-4118-1
https://usn.ubuntu.com/4094-1/
UBUNTU USN-4094-1
http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
https://security.netapp.com/advisory/ntap-20190710-0002/ CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
SUSE openSUSE-SU-2019:1571
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
SUSE openSUSE-SU-2019:1570
http://www.securityfocus.com/bid/108776
BID 108776 Linux Kernel CVE-2019-12818 Null Pointer Dereference Remote Denial of Service Vulnerability Release Date:2019-06-13
https://support.f5.com/csp/article/K91444306 CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
SUSE openSUSE-SU-2019:1579
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=58bdd544e2933a21a51eecf17c3f5f94038261b5
https://github.com/torvalds/linux/commit/58bdd544e2933a21a51eecf17c3f5f94038261b5
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.15

- Metasploit Modules Related To CVE-2019-12818

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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