UBUNTU-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
02 / AFFECTED SOFTWARE
Affected packages
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03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/d0be8347c623e0ac4202a1d4e0373882821f56b0
- https://ubuntu.com/security/CVE-2022-20566
- https://ubuntu.com/security/notices/USN-5884-1
- https://ubuntu.com/security/notices/USN-5913-1
- https://ubuntu.com/security/notices/USN-5926-1
- https://www.cve.org/CVERecord?id=CVE-2022-20566