SB2025050287 - Memory leak in Linux kernel wwan iosm driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050287
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-2022-49855)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the ipc_pcie_config_init() and ipc_pcie_read_bios_cfg() functions in drivers/net/wwan/iosm/iosm_ipc_pcie.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/13b1ea861e8aeb701bcfbfe436b943efa2d44029
- https://git.kernel.org/stable/c/7560ceef4d2832a67e8781d924e129c7f542376f
- https://git.kernel.org/stable/c/d38a648d2d6cc7bee11c6f533ff9426a00c2a74c
- 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