Allocation of Resources Without Limits or Throttling in Linux kernel - CVE-2026-98022
Published: September 28, 2026
Vulnerability identifier: #VU152456
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-2026-98022
CWE-ID: CWE-770
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to allocation of resources without limits in netif_change_tx_queue_len() when processing tx queue length changes. A local user can set an oversized tx_queue_len value to cause a denial of service.
User and network namespaces must be enabled.
Affected software
Linux kernel
How to mitigate CVE-2026-98022
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3