Resource management error in Linux kernel - CVE-2021-47037

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Main Vulnerability Database Vulnerabilities #VU89246

Resource management error in Linux kernel - CVE-2021-47037

Published: May 8, 2024 / Updated: May 14, 2025


Vulnerability identifier: #VU89246
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-47037
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources in sound/soc/qcom/qdsp6/q6afe-clocks.c. A local user can perform a denial of service (DoS) attack.


Affected software

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

How to mitigate CVE-2021-47037

Install updates from vendor's website.

Linux kernel - addressed in versions 5.11.21, 5.12.4, 5.13
kernel-debugsource - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
kernel - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
python3-perf - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
kernel-debuginfo - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
perf - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
kernel-tools-debuginfo - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
bpftool - update to 5.10.0-60.133.0.160
kernel-source - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
kernel-devel - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
kernel-tools - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
kernel-tools-devel - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
bpftool-debuginfo - update to 5.10.0-60.133.0.160
kernel-headers - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
python3-perf-debuginfo - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108
perf-debuginfo - addressed in versions 5.10.0-60.133.0.160, 5.10.0-136.71.0.151, 5.10.0-153.50.0.128, 5.10.0-195.0.0.108

External References

Related Security Bulletins