Vulnerability Database

289,871

Total vulnerabilities in the database

CVE-2021-33034

In the Linux kernel before 5.12.4, net/bluetooth/hci_event.c has a use-after-free when destroying an hci_chan, aka CID-5c4c8c954409. This leads to writing an arbitrary value.

  • Published: May 15, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-33034
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.8
  • AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: Low
  • Score: 4.6
  • AV:L/AC:L/Au:N/C:P/I:P/A:P

CWEs:

Software From Fixed in
linux / linux_kernel - 5.12.4
fedoraproject / fedora 34 34.x
debian / debian_linux 9.0 9.0.x