#VU94321 Input validation error in Linux kernel - CVE-2024-40939
Published: July 13, 2024 / Updated: May 13, 2025
Vulnerability identifier: #VU94321
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-2024-40939
CWE-ID: CWE-20
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 improper input validation within the ipc_devlink_create_region() function in drivers/net/wwan/iosm/iosm_ipc_devlink.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/fe394d59cdae81389dbf995e87c83c1acd120597
- https://git.kernel.org/stable/c/040d9384870386eb5dc55472ac573ac7756b2050
- https://git.kernel.org/stable/c/37a438704d19bdbe246d51d3749b6b3a8fe65afd
- https://git.kernel.org/stable/c/b0c9a26435413b81799047a7be53255640432547
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.95
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.35