#VU104407 Memory leak in Linux kernel - CVE-2021-47653
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104407
Vulnerability risk: Low
CVSSv4.0: 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-2021-47653
CWE-ID: CWE-401
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the MODULE_ALIAS(), vpif_channel_getfid() and vpif_probe() functions in drivers/media/platform/davinci/vpif.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/43acb728bbc40169d2e2425e84a80068270974be
- https://git.kernel.org/stable/c/6512c3c39cb6b573b791ce45365818a38b76afbe
- https://git.kernel.org/stable/c/9ffc602e14d7b9f7e7cb2f67e18dfef9ef8af676
- https://git.kernel.org/stable/c/b5a3bb7f6f164eb6ee74ef4898dcd019b2063448
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.19