Use of cache containing sensitive information in Linux kernel - CVE-2026-98125
Published: September 28, 2026
Vulnerability identifier: #VU152328
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98125
CWE-ID: CWE-524
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to access stale data.
The vulnerability exists due to improper page-cache invalidation in the SMB client smb3_insert_range() and smb3_collapse_range() functions when performing insert or collapse range operations on files on a CIFS mount. A local user can perform a range operation and read the affected file to access stale data.
Affected software
Linux kernel
How to mitigate CVE-2026-98125
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3