Information disclosure in Linux kernel - CVE-2019-19533
Published: January 21, 2020
Vulnerability identifier: #VU24450
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:P/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-2019-19533
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to an info-leak bug in the drivers/media/usb/ttusb-dec/ttusb_dec.c driver. A local user with physical access can use a malicious USB device and gain unauthorized access to sensitive information on the system.
How to mitigate CVE-2019-19533
Install updates from vendor's website.
Sources
- http://www.openwall.com/lists/oss-security/2019/12/03/4
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a10feaf8c464c3f9cfdd3a8a7ce17e1c0d498da1
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html