AUGUST 4, 2026
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Case File

CVE-2021-33034

HIGH · CVSS 7.8 EPSS 0.82%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-05-14 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.8. It affects Linux.

CVE
CVE-2021-33034
Severity
HIGH
CVSS
7.8
EPSS
0.82%
Linux

Original NVD Description

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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)