Improper Check or Handling of Exceptional Conditions in Linux kernel - CVE-2026-98114
Published: September 28, 2026
Vulnerability identifier: #VU152344
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98114
CWE-ID: CWE-703
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause incomplete ACL conversion.
The vulnerability exists due to improper error handling in the ksmbd parse_dacl() function when parsing malformed SMB security descriptors. A remote attacker can submit a malformed security descriptor to cause incomplete ACL conversion.
Affected software
Linux kernel
How to mitigate CVE-2026-98114
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3