VULNERABILITY INTELLIGENCE
CVE-2021-33034
CVSS score7.8 HIGH
EPSS probability0.83%
CISA KEVNot currently listed
Published2021-05-14
Last modified2026-08-13
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-416
Primary references
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Mailing List, Patch, Vendor Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Third Party Advisory
- cve@mitre.org — Broken Link
- cve@mitre.org — Exploit, Third Party Advisory
- cve@mitre.org — Exploit, Mailing List, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Broken Link