Resource management error in Linux kernel - CVE-2022-49558
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104895
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2022-49558
CWE-ID: CWE-399
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
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_netdev_unregister_hooks(), nf_tables_register_hook(), nf_tables_unregister_hook(), nft_unregister_flowtable_hook() and __nft_release_hook() functions in net/netfilter/nf_tables_api.c. A local user can perform a denial of service (DoS) attack.
Affected software
Linux kernel
How to mitigate CVE-2022-49558
Install update from vendor's website.
Linux kernel - addressed in versions 4.19.316, 5.4.262, 5.10.198, 5.15.45, 5.17.13, 5.18.2, 5.19
External References
- https://git.kernel.org/stable/c/3fac8ce48fa9fd61ee9056d3ed48b2edefca8b82
- https://git.kernel.org/stable/c/86c0154f4c3a56c5db8b9dd09e3ce885382c2c19
- https://git.kernel.org/stable/c/9c413a8c8bb49cc16796371805ecb260e885bb2b
- https://git.kernel.org/stable/c/a3940dcf552f2393d1e8f263b386593f98abe829
- https://git.kernel.org/stable/c/b09e6ccf0d12f9356e8e3508d3e3dce126298538
- https://git.kernel.org/stable/c/c73955a09408e7374d9abfd0e78ce3de9cda0635
- https://git.kernel.org/stable/c/f9a43007d3f7ba76d5e7f9421094f00f2ef202f8
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.316
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.198
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.45
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.262