SB2026092897 - Use of uninitialized resource in Linux kernel tipc
Published: September 28, 2026 Updated: September 30, 2026
Security Bulletin ID
SB2026092897
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use of uninitialized resource (CVE-ID: CVE-2026-98097)
CWE-ID: CWE-908 - Use of Uninitialized Resource
CVSSv4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to use of uninitialized memory in TIPC link protocol message construction when sending RESET or ACTIVATE messages. A remote attacker can receive RESET or ACTIVATE messages containing random pad bytes to disclose sensitive information.
Remediation
Install update from vendor's website.