The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a database and tools to fix them.

vulnerability announce CVE-2019-12818

Linux kernel: NULL pointer dereference via nfc_llcp_build_tlv

Synthesis of the vulnerability

An attacker can force a NULL pointer to be dereferenced via nfc_llcp_build_tlv() of the Linux kernel, in order to trigger a denial of service.
Vulnerable products: Linux, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this weakness: 1/4.
Consequences of an attack: denial of service on server, denial of service on service.
Hacker's origin: user shell.
Creation date: 14/06/2019.
Références of this bulletin: CERTFR-2019-AVI-330, CERTFR-2019-AVI-337, CERTFR-2019-AVI-346, CERTFR-2019-AVI-391, CERTFR-2019-AVI-419, CVE-2019-12818, openSUSE-SU-2019:1570-1, openSUSE-SU-2019:1571-1, openSUSE-SU-2019:1579-1, SUSE-SU-2019:1550-1, SUSE-SU-2019:1823-1, SUSE-SU-2019:1823-2, SUSE-SU-2019:1851-1, SUSE-SU-2019:1852-1, SUSE-SU-2019:1855-1, SUSE-SU-2019:1870-1, USN-4094-1, USN-4118-1, VIGILANCE-VUL-29532.

Description of the vulnerability

An attacker can force a NULL pointer to be dereferenced via nfc_llcp_build_tlv() of the Linux kernel, in order to trigger a denial of service.
Full Vigil@nce bulletin... (Free trial)

Computer vulnerabilities tracking service

Vigil@nce provides an application vulnerability alert. Each administrator can customize the list of products for which he wants to receive vulnerability alerts. The Vigil@nce computer vulnerability tracking service alerts your teams of vulnerabilities or threats impacting your information system. The Vigil@nce vulnerability database contains several thousand vulnerabilities.