Information disclosure in Linux kernel - CVE-2019-11884

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Main Vulnerability Database Vulnerabilities #VU20811

Information disclosure in Linux kernel - CVE-2019-11884

Published: September 3, 2019


Vulnerability identifier: #VU20811
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-11884
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel

Detailed vulnerability description

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability in the "do_hidp_sock_ioctl" function in "net/bluetooth/hidp/sock.c" exists due to the Bluetooth Human Interface Device Protocol (HIDP) implementation did not properly verify strings were NULL terminated in certain situations. A local authenticated user can gain unauthorized access to sensitive information from kernel stack memory via a "HIDPCONNADD" command, because a name field may not end with a '' character. 


How to mitigate CVE-2019-11884

Install updates from vendor's website.

Sources