SB2025050240 - Memory leak in Linux kernel net wwan driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050240
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) Memory leak (CVE-ID: CVE-2022-49866)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the mhi_mbim_setup() function in drivers/net/wwan/mhi_wwan_mbim.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/2845bc9070cef0c651987487d84d4813d64675dd
- https://git.kernel.org/stable/c/3cd3ffe952f78ec5dadf300cb58d4b38a0c0106d
- https://git.kernel.org/stable/c/668205b9c9f94d5ed6ab00cce9a46a654c2b5d16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.79
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1