Resource management error in Linux kernel - CVE-2025-22056
Published: April 22, 2025 / Updated: June 6, 2025
Vulnerability identifier: #VU107782
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:P/U:Clear
CVE-ID: CVE-2025-22056
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
Public exploit is 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 resource management error within the nft_tunnel_obj_geneve_init() and nft_tunnel_opts_dump() functions in net/netfilter/nft_tunnel.c. A local user can perform a denial of service (DoS) attack.
How to mitigate CVE-2025-22056
Install update from vendor's website.
Sources
- https://git.kernel.org/stable/c/0a93a710d6df334b828ea064c6d39fda34f901dc
- https://git.kernel.org/stable/c/1b755d8eb1ace3870789d48fbd94f386ad6e30be
- https://git.kernel.org/stable/c/28d88ee1e1cc8ac2d79aeb112717b97c5c833d43
- https://git.kernel.org/stable/c/31d49eb436f2da61280508d7adf8c9b473b967aa
- https://git.kernel.org/stable/c/446d94898c560ed2f61e26ae445858a4c4830762
- https://git.kernel.org/stable/c/708e268acb3a446ad2a8a3d2e9bd41cc23660cd6
- https://git.kernel.org/stable/c/a263d31c8c92e5919d41af57d9479cfb66323782
- https://git.kernel.org/stable/c/ca2adfc03cd6273f0b589fe65afc6f75e0fe116e
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.180