CVE-2023-4515

ksmbd: validate command request size

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate command request size In commit 2b9b8f3b68ed ("ksmbd: validate command payload size"), except for SMB2_OPLOCK_BREAK_HE command, the request size of other commands is not checked, it's not expected. Fix it by add check for request size of other commands.

N/A

CVSS

Severity:

EPSS 0.02%

Affected: Linux Linux

References

Link	Tags
https://git.kernel.org/stable/c/595679098bdcdbfbba91ebe07a2f7f208df93870
https://git.kernel.org/stable/c/c6bef3bc30fd4a175aef846b7d928a6c40d091cd
https://git.kernel.org/stable/c/ff7236b66d69582f90cf5616e63cfc3dc18142bb
https://git.kernel.org/stable/c/5aa4fda5aa9c2a5a7bac67b4a12b089ab81fee3c

Frequently Asked Questions

What is the severity of CVE-2023-4515?: CVE-2023-4515 has not yet been assigned a CVSS score.
How to fix CVE-2023-4515?: To fix CVE-2023-4515, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-4515 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-4515 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-4515?: CVE-2023-4515 affects Linux Linux, Linux Linux.

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