ksmbd: close accepted socket when per-IP limit rejects connection
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.2%
exploitation probability
0.2%top 94% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
ksmbd: close accepted socket when per-IP limit rejects connection
When the per-IP connection limit is exceeded in ksmbd_kthread_fn(),
the code sets ret = -EAGAIN and continues the accept loop without
closing the just-accepted socket. That leaks one socket per rejected
attempt from a single IP and enables a trivial remote DoS.
Release client_sk before continuing.
This bug was found with ZeroPath.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/35521b5a7e8a184548125f4530552101236dcda1https://git.kernel.org/stable/c/4587a7826be1ae0190dba10ff70b46bb0e3bc7d3https://git.kernel.org/stable/c/5746b2a0f5eb3d79667b3c51fe849bd62464220ehttps://git.kernel.org/stable/c/7a3c7154d5fc05956a8ad9e72ecf49e21555bfcahttps://git.kernel.org/stable/c/98a5fd31cbf72d46bf18e50b3ab0ce86d5f319a9