SB20260928182 - Allocation of Resources Without Limits or Throttling in Linux kernel core
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB20260928182
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-98022)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: 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]
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.
Remediation
Install update from vendor's website.