| Name | CVE-2022-20409 |
| 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 |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | vulnerable |
| stretch (security) | 4.9.320-2 | vulnerable |
| stretch (lts), stretch | 4.9.320-3 | vulnerable |
| buster (security), buster, buster (lts) | 4.19.316-1 | fixed |
| bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.226-1 | fixed |
| bookworm | 6.1.115-1 | fixed |
| bookworm (security) | 6.1.112-1 | fixed |
| trixie | 6.11.7-1 | fixed |
| sid | 6.11.9-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | jessie | (unfixed) | end-of-life | | |
| linux | source | stretch | (unfixed) | end-of-life | | |
| linux | source | buster | (not affected) | | | |
| linux | source | bullseye | 5.10.136-1 | | | |
| linux | source | (unstable) | 5.14.6-1 | | | |
Notes
[buster] - linux <not-affected> (Vulnerable code not present)
https://source.android.com/docs/security/bulletin/2022-10-01
https://android.googlesource.com/kernel/common/+/0380da7fd63ac93caf96a75d1b31e388d3c754e9