CVE-2022-20566

In l2cap_chan_put of l2cap_core, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-165329981References: Upstream kernel

CVSS 3.1

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

EPSS

0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-25)

CWEs

CWE-416, CWE-667

Published

2022-12-16

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• google:android

References

• https://source.android.com/security/bulletin/pixel/2022-12-01
• https://source.android.com/security/bulletin/pixel/2022-12-01
• https://cert-portal.siemens.com/productcert/html/ssa-794697.html

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