SB2026092879 - Allocation of Resources Without Limits or Throttling in Linux kernel smb server
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB2026092879
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
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-2026-98113)
CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling
CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to flood the kernel log.
The vulnerability exists due to missing rate limiting in the ksmbd DACL SID mapping error logging path when processing a DACL containing unmapped SIDs. A remote user can submit a DACL with many structurally valid but unmapped SIDs to flood the kernel log.
Remediation
Install update from vendor's website.