#VU91457 NULL pointer dereference in Linux kernel - CVE-2021-47369
Published: June 8, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU91457
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-2021-47369
CWE-ID: CWE-476
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 NULL pointer dereference within the qeth_clear_working_pool_list() function in drivers/s390/net/qeth_core_main.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/db94f89e1dadf693c15c2d60de0c34777cea5779
- https://git.kernel.org/stable/c/9b00fb12cdc9d8d1c3ffe82a78e74738127803fc
- https://git.kernel.org/stable/c/248f064af222a1f97ee02c84a98013dfbccad386
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.70
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15