CVE-2020-27786

2020-12-1104:05:29

CWE-416

redhat

www.cve.org

linux kernel

midi

use-after-free

memory corruption

privilege escalation

vulnerability

confidentiality

integrity

system availability

AI Score

8.7

Confidence

High

EPSS

Percentile

9.8%

JSON

A flaw was found in the Linux kernel’s implementation of MIDI, where an attacker with a local account and the permissions to issue ioctl commands to midi devices could trigger a use-after-free issue. A write to this specific memory while freed and before use causes the flow of execution to change and possibly allow for memory corruption or privilege escalation. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

CNA Affected

[
  {
    "product": "kernel",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "kernel 5.7-rc6"
      }
    ]
  }
]