Information disclosure in Google Android - CVE-2021-39633

Vulnerability identifier: #VU59323

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-39633

CWE-ID: CWE-200

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local application to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output in OS kernel. A local application can gain unauthorized access to sensitive information on the system.

Google Android
openEuler
kernel-debuginfo
bpftool
perf-debuginfo
kernel-devel
kernel-debugsource
bpftool-debuginfo
kernel-tools-debuginfo
python2-perf
kernel-tools-devel
python3-perf-debuginfo
python3-perf
perf
kernel-tools
python2-perf-debuginfo
kernel-source
kernel

Install updates from vendor's website.

Google Android - addressed in versions 9 2022-01-05, 10 2022-01-05, 11 2022-01-05, 12 2022-01-05
kernel-debuginfo - update to 4.19.90-2201.3.0.0134
bpftool - update to 4.19.90-2201.3.0.0134
perf-debuginfo - update to 4.19.90-2201.3.0.0134
kernel-devel - update to 4.19.90-2201.3.0.0134
kernel-debugsource - update to 4.19.90-2201.3.0.0134
bpftool-debuginfo - update to 4.19.90-2201.3.0.0134
kernel-tools-debuginfo - update to 4.19.90-2201.3.0.0134
python2-perf - update to 4.19.90-2201.3.0.0134
kernel-tools-devel - update to 4.19.90-2201.3.0.0134
python3-perf-debuginfo - update to 4.19.90-2201.3.0.0134
python3-perf - update to 4.19.90-2201.3.0.0134
perf - update to 4.19.90-2201.3.0.0134
kernel-tools - update to 4.19.90-2201.3.0.0134
python2-perf-debuginfo - update to 4.19.90-2201.3.0.0134
kernel-source - update to 4.19.90-2201.3.0.0134
kernel - update to 4.19.90-2201.3.0.0134

• https://source.android.com/security/bulletin/2022-01-01#2022-01-05-security-patch-level-vulnerability-details
• http://android.googlesource.com/kernel/common/+/1d011c4803c72f3907eccfc1ec63caefb852fcbf

• Multiple vulnerabilities in Google Android
• openEuler update for kernel