Use-after-free in Linux kernel - CVE-2020-27786
Published: December 11, 2020 / Updated: May 13, 2024
Vulnerability identifier: #VU83583
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2020-27786
CWE-ID: CWE-416
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local authenticated user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the MIDI implementation in Linux kernel. A local authenticated user can trigger a use-after-free error and escalate privileges on the system.
How to mitigate CVE-2020-27786
Install update from vendor's website.