ZDI-26-573: Linux Kernel KSMBD Response Header Out-Of-Bounds Read Information Disclosure Vulnerability
This vulnerability allows remote attackers to disclose sensitive information on affected installations of Linux Kernel KSMBD. Authentication is not required to exploit this vulnerability. However, only systems with ksmbd enabled are vulnerable. The ZDI has assigned a CVSS rating of 9.3. The following CVEs are assigned: CVE-2026-68431.
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-26-573?
The severity of ZDI-26-573 is rated at 9.3 on the CVSS scale.
How do I fix ZDI-26-573?
To fix ZDI-26-573, disable the ksmbd service or apply the latest patch from the Linux kernel maintainers.
What impact does ZDI-26-573 have on my system?
ZDI-26-573 allows remote attackers to perform an out-of-bounds read, potentially disclosing sensitive information.
Is authentication required to exploit ZDI-26-573?
No, ZDI-26-573 can be exploited without any authentication by remote attackers.
What systems are affected by ZDI-26-573?
Only Linux systems with the ksmbd service enabled are affected by ZDI-26-573.