Race condition within a thread in Linux kernel - CVE-2022-49603
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104825
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49603
CWE-ID: CWE-366
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 corrupt data.
The vulnerability exists due to a data race within the ip_forward() function in net/ipv4/ip_forward.c, within the mlxsw_sp_dscp_init() function in drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c. A local user can corrupt data.
How to mitigate CVE-2022-49603
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/11038fa781ab916535c53351537b22d6d405667d
- https://git.kernel.org/stable/c/351f81f7d7185d18a9ff76f8f8c2fa8c4eea563b
- https://git.kernel.org/stable/c/7bf9e18d9a5e99e3c83482973557e9f047b051e7
- https://git.kernel.org/stable/c/bcc03369d3277ae075ed421f0c8bf4adb5e65b74
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.15