Permissions, Privileges, and Access Controls in Google Android - CVE-2022-20409

Vulnerability identifier: #VU67870

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-20409

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: Public exploit is available

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to missing checks when working with concurrent tasks in io_uring implementation. A local application can escalate privileges on the system.

Google Android
openEuler
kernel
kernel-tools-devel
kernel-tools
kernel-debugsource
perf-debuginfo
kernel-source
kernel-devel
python3-perf
perf
python3-perf-debuginfo
bpftool-debuginfo
kernel-headers
bpftool
kernel-debuginfo
kernel-tools-debuginfo

Install updates from vendor's website.

Google Android - addressed in versions 10 2022-10-05, 11 2022-10-05, 12L 2022-10-05, 12 2022-10-05, 13 2022-10-05
kernel - update to 5.10.0-60.63.0.89
kernel-tools-devel - update to 5.10.0-60.63.0.89
kernel-tools - update to 5.10.0-60.63.0.89
kernel-debugsource - update to 5.10.0-60.63.0.89
perf-debuginfo - update to 5.10.0-60.63.0.89
kernel-source - update to 5.10.0-60.63.0.89
kernel-devel - update to 5.10.0-60.63.0.89
python3-perf - update to 5.10.0-60.63.0.89
perf - update to 5.10.0-60.63.0.89
python3-perf-debuginfo - update to 5.10.0-60.63.0.89
bpftool-debuginfo - update to 5.10.0-60.63.0.89
kernel-headers - update to 5.10.0-60.63.0.89
bpftool - update to 5.10.0-60.63.0.89
kernel-debuginfo - update to 5.10.0-60.63.0.89
kernel-tools-debuginfo - update to 5.10.0-60.63.0.89

• Exploit #9230 - bad_io_uring (Android kernel exploitation for CVE-2022-20409) (August 6, 2023)

• https://source.android.com/docs/security/bulletin/2022-10-01#2022-10-05-security-patch-level-vulnerability-details
• https://android.googlesource.com/kernel/common/+/0380da7fd63ac93caf96a75d1b31e388d3c754e9

• Multiple vulnerabilities in Google Android
• openEuler 22.03 LTS update for kernel