Integer overflow in Google Android - CVE-2022-20423

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Main Vulnerability Database Vulnerabilities #VU67867

Integer overflow in Google Android - CVE-2022-20423

Published: October 4, 2022


Vulnerability identifier: #VU67867
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-2022-20423
CWE-ID: CWE-190
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to integer overflow within the rndis_set_response() function in drivers/usb/gadget/function/rndis.c in Linux kernel. A local application can trigger ab integer overflow and execute arbitrary code with elevated privileges.


Affected software

Google Android
Anolis OS
openEuler
python3-perf
bpftool-debuginfo
kernel-debugsource
kernel-debuginfo
kernel-tools-debuginfo
kernel-source
perf
python2-perf-debuginfo
perf-debuginfo
kernel-tools-devel
python3-perf-debuginfo
kernel-tools
kernel-devel
python2-perf
bpftool
kernel
kernel-tools-libs-devel
kernel-tools-libs
kernel-modules-internal
kernel-modules-extra
kernel-modules
kernel-headers
kernel-debug-devel
kernel-debug
python-perf
kernel-debug-modules
kernel-debug-core
kernel-core
kernel-debug-modules-extra

How to mitigate CVE-2022-20423

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
python3-perf - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
bpftool-debuginfo - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
kernel-debugsource - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
kernel-debuginfo - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
kernel-tools-debuginfo - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
kernel-source - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
perf - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
python2-perf-debuginfo - update to 4.19.90-2210.4.0.0173
perf-debuginfo - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
kernel-tools-devel - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
python3-perf-debuginfo - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
kernel-tools - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
kernel-devel - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
python2-perf - update to 4.19.90-2210.4.0.0173
bpftool - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
kernel - addressed in versions 4.19.90-2210.4.0.0173, 5.10.0-60.61.0.88
python3-perf - addressed in versions 4.19.91-27.5, 4.19.91-28
perf - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-tools-libs-devel - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-tools-libs - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-tools - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-modules-internal - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-modules-extra - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-modules - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-headers - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-debug-devel - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-devel - addressed in versions 4.19.91-27.5, 4.19.91-28
bpftool - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-debug - addressed in versions 4.19.91-27.5, 4.19.91-28
python-perf - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-debug-modules - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-debug-core - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-core - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-debug-modules-extra - addressed in versions 4.19.91-27.5, 4.19.91-28
kernel-headers - update to 5.10.0-60.61.0.88

External References

Related Security Bulletins