SB20240713121 - Input validation error in Linux kernel wwan iosm driver
Published: July 13, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240713121
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2024-40939)
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.
References
- 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