Vulnerability · Published Oct 11, 2022 · Assigned by google_android
CVE-2022-20409
Medium 6.7
In plain English
A medium-severity security flaw in Android. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Official description
In io_identity_cow of io_uring.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-238177383References: Upstream kernel
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.14.6-1 | DEBIAN-CVE-2022-20409 |
| Debian:13 | linux | 5.14.6-1 | DEBIAN-CVE-2022-20409 |
| Debian:14 | linux | 5.14.6-1 | DEBIAN-CVE-2022-20409 |