NULL pointer dereference in Linux kernel - CVE-2022-49417
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104567
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-2022-49417
CWE-ID: CWE-476
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 NULL pointer dereference within the iwl_mei_handle_sap_data() function in drivers/net/wireless/intel/iwlwifi/mei/main.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2022-49417
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/29b81de94d62b5e2704bb5106b3e701ca8d7c7a4
- https://git.kernel.org/stable/c/5d8d06fd3a02919100b28f927bcb76481ec0a0e3
- https://git.kernel.org/stable/c/78488a64aea94a3336ee97f345c1496e9bc5ebdf
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19