CVE-2022-20566: Use After Free
In l2capchanput of l2capcore, 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/linuxto a version that resolves this vulnerability.Fixed in 5.10.223-1Fixed in 5.10.234-1Fixed in 6.1.129-1Fixed in 6.1.135-1Fixed in 6.12.25-1Fixed in 6.12.27-1 - Upgrade
Upgrade
android/:linux_kernel:to a version that resolves this vulnerability.Fixed in :2022-12-05
Event History
Frequently Asked Questions
What is the severity of CVE-2022-20566?
CVE-2022-20566 has a severity rating classified as a local escalation of privilege vulnerability.
How do I fix CVE-2022-20566?
To fix CVE-2022-20566, update the Android kernel to the patched versions provided by the vendor.
What products are affected by CVE-2022-20566?
CVE-2022-20566 affects various versions of the Android kernel.
Is user interaction required to exploit CVE-2022-20566?
No, user interaction is not needed to exploit CVE-2022-20566.
What could be the impact of CVE-2022-20566?
The impact of CVE-2022-20566 could lead to local escalation of privileges without additional execution privileges needed.