Memory leak in Linux kernel - CVE-2026-98162
Published: September 28, 2026
Vulnerability identifier: #VU152270
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98162
CWE-ID: CWE-401
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper resource cleanup in smb2_tree_connect() when response buffer pinning fails while handling SMB2 tree connect requests. A remote attacker can repeatedly send SMB2 tree connect requests during response buffer pinning failures to cause a denial of service.
Affected software
Linux kernel
How to mitigate CVE-2026-98162
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3