Out-of-bounds read in Linux kernel - CVE-2021-32078

 

Out-of-bounds read in Linux kernel - CVE-2021-32078

Published: June 17, 2021 / Updated: September 20, 2021


Vulnerability identifier: #VU90366
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-32078
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Linux kernel
Software vendor:
Linux Foundation

Description

The vulnerability allows a local user to read data or crash the application.

The vulnerability exists due to an out-of-bounds read error within the personal_server_map_irq() function in arch/arm/mach-footbridge/personal-pci.c, within the pci-$() function in arch/arm/mach-footbridge/Makefile. A local user can read data or crash the application.


Remediation

Install update from vendor's website.

External links