Vulnerability Database

319,592

Total vulnerabilities in the database

CVE-2020-27830

A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash.

  • Published: May 13, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-27830
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5.5
  • AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 2.1
  • AV:L/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
linux / linux_kernel - 5.9.14
debian / debian_linux 9.0 9.0.x
debian / debian_linux 10.0 10.0.x