SB2026092838 - Improper Check or Handling of Exceptional Conditions in Linux kernel printk
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB2026092838
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper Check or Handling of Exceptional Conditions (CVE-ID: CVE-2026-98147)
CWE-ID: CWE-703 - Improper Check or Handling of Exceptional Conditions
CVSSv4: 0 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a local user to trigger a kernel warning.
The vulnerability exists due to improper handling of an exceptional condition in printk kernel-thread creation when kthread_run() fails after __kthread_create_on_node() returns -EINTR following SIGKILL. A local user can cause kthread_run() to fail to trigger a kernel warning.
Remediation
Install update from vendor's website.