Memory leak in Linux kernel - CVE-2022-49855
Published: May 2, 2025 / Updated: May 10, 2025
Vulnerability identifier: #VU108185
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-2022-49855
CWE-ID: CWE-401
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 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.
How to mitigate CVE-2022-49855
Install update from vendor's website.
Sources
- 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