CVE Vulnerability

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.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.20.15 Mailing List Release Notes
https://github.com/torvalds/linux/commit/58bdd544e2933a21a51eecf17c3f5f94038261b5 Patch Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=58bdd544e2933a21a51eecf17c3f5f94038261b5 Mailing List Patch
http://www.securityfocus.com/bid/108776 Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00039.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00040.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00048.html
https://support.f5.com/csp/article/K91444306
https://security.netapp.com/advisory/ntap-20190710-0002/
https://usn.ubuntu.com/4094-1/
http://packetstormsecurity.com/files/154245/Kernel-Live-Patch-Security-Notice-LSN-0054-1.html
https://usn.ubuntu.com/4118-1/
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Information

Published : 2019-06-14 02:29

Updated : 2019-06-18 03:15

NVD link : CVE-2019-12818

Mitre link : CVE-2019-12818

Products Affected
No products.
CWE
CWE-476