#VU25813 Out-of-bounds read in Linux kernel - CVE-2020-9383
Published: March 8, 2020
Vulnerability identifier: #VU25813
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-9383
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the set_fdc() function in drivers/block/floppy.c file in Linux kernel due to the FDC index is not checked for errors before assigning it. A local user can use a specially crafted application to trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Install updates from vendor's website.