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.

CVSS v3.1

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

CVSS v2.0

4.6 MEDIUMAV:L/AC:L/Au:N/C:P/I:P/A:P

EPSS

0.82% chance of exploitation in the next 30 days, 55th percentile

Published

2021-05-14

Updated

2024-08-03

Proof-of-concept exploits (1)

• Trinadh465/device_renesas_kernel_AOSP10_r33_CVE-2021-330340★ · 2022-04-28

References

• CVE Record
• NVD entry

Related

• CVE-2021-33032
• CVE-2021-33041
• CVE-2021-33026
• CVE-2021-33044
• CVE-2021-33012
• CVE-2021-33045