#VU91648 Memory leak in Linux kernel - CVE-2021-47216
Published: June 10, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91648
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-2021-47216
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 asc_prt_adv_board_info() function in drivers/scsi/advansys.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/06d7d12efb5c62db9dea15141ae2b322c2719515
- https://git.kernel.org/stable/c/ad19f7046c24f95c674fbea21870479b2b9f5bab
- https://git.kernel.org/stable/c/5612287991debe310c914600599bd59511ababfb
- https://git.kernel.org/stable/c/f5a0ba4a9b5e70e7b2f767636d26523f9d1ac59d
- https://git.kernel.org/stable/c/cc248790bfdcf879e3094fa248c85bf92cdf9dae
- https://git.kernel.org/stable/c/055eced3edf5b675d12189081303f6285ef26511
- https://git.kernel.org/stable/c/27490ae6a85a70242d80615ca74d0362a820d6a7
- https://git.kernel.org/stable/c/d4996c6eac4c81b8872043e9391563f67f13e406
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.256
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.218
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.293
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.291
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.82
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.162