Resource management error in Linux kernel - CVE-2021-47037
Published: May 8, 2024 / Updated: May 14, 2025
Vulnerability identifier: #VU89246
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2021-47037
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
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.
How to mitigate CVE-2021-47037
Install updates from vendor's website.
Sources
- https://git.kernel.org/stable/c/6893df3753beafa5f7351228a9dd8157a57d7492
- https://git.kernel.org/stable/c/62413972f5266568848a36fd15160397b211fa74
- https://git.kernel.org/stable/c/96fadf7e8ff49fdb74754801228942b67c3eeebd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.21
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13