Linux Kernel ksmbd Chained Request NULL Pointer Dereference Denial-of-Service Vulnerability
Vulnerability Details
This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Linux Kernel. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable.
The specific flaw exists within the handling of chained requests. The issue results from dereferencing a NULL pointer. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.
Additional Details
Linux has issued an update to correct this vulnerability. More details can be found at:
https://lore.kernel.org/all/20230626180806.105257976@linuxfoundation.org/
Disclosure Timeline
- 2023-06-13 - Vulnerability reported to vendor
- 2023-07-28 - Coordinated public release of advisory
- 2024-04-17 - Advisory Updated
Credit
8437438cb38d8565e9a990474a7b8d2b3e3770a521eb159325e93c6189f526d1
