DEBIAN-CVE-2021-33034

DEBIAN-CVE-2021-33034 PUBLISHED CVSS 7.800000190734863 HIGH

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.

Risk Scores

CVSS v3.1

7.800000190734863

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions
Debian:13	linux	0, 0, 0
Debian:14	linux	0, 0, 0
Debian:11	linux	0, 0, 0
Debian:12	linux	0, 0, 0

Timeline

May 14, 2021 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2021-33034 advisory

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