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vulnerability note CVE-2019-3846

Linux kernel: buffer overflow via mwifiex_update_bss_desc_with_ie

Synthesis of the vulnerability

An attacker can trigger a buffer overflow via mwifiex_update_bss_desc_with_ie() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
Vulnerable systems: Debian, Fedora, Linux, openSUSE Leap, RHEL, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity of this threat: 2/4.
Consequences of a hack: administrator access/rights, privileged access/rights, denial of service on server, denial of service on service.
Pirate's origin: user shell.
Creation date: 06/06/2019.
Références of this weakness: CERTFR-2019-AVI-277, CERTFR-2019-AVI-354, CERTFR-2019-AVI-391, CERTFR-2019-AVI-419, CERTFR-2019-AVI-428, CERTFR-2019-AVI-440, CERTFR-2019-AVI-458, CERTFR-2019-AVI-513, CVE-2019-3846, DLA-1823-1, DLA-1824-1, DSA-4465-1, FEDORA-2019-7ec378191e, FEDORA-2019-f40bd7826f, openSUSE-SU-2019:1570-1, openSUSE-SU-2019:1571-1, openSUSE-SU-2019:1579-1, RHSA-2019:2703-01, RHSA-2019:2741-01, RHSA-2019:3055-01, RHSA-2019:3076-01, RHSA-2019:3089-01, SSA:2019-202-01, SUSE-SU-2019:14127-1, SUSE-SU-2019:1527-1, SUSE-SU-2019:1529-1, SUSE-SU-2019:1530-1, SUSE-SU-2019:1532-1, SUSE-SU-2019:1533-1, SUSE-SU-2019:1534-1, SUSE-SU-2019:1535-1, SUSE-SU-2019:1536-1, SUSE-SU-2019:1550-1, SUSE-SU-2019:1692-1, SUSE-SU-2019:2430-1, SUSE-SU-2019:2450-1, USN-4093-1, USN-4094-1, USN-4095-1, USN-4095-2, USN-4117-1, USN-4118-1, VIGILANCE-VUL-29474.

Description of the vulnerability

An attacker can trigger a buffer overflow via mwifiex_update_bss_desc_with_ie() of the Linux kernel, in order to trigger a denial of service, and possibly to run code.
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