CVE-2023-38428

Description

An issue was discovered in the Linux kernel before 6.3.4. fs/ksmbd/smb2pdu.c in ksmbd does not properly check the UserName value because it does not consider the address of security buffer, leading to an out-of-bounds read.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.06%
Third-Party Advisory netapp.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4 release notes
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmbd?id=f0a96d1aafd8964e1f9955c830a3e5cb3c60a90f patch
https://security.netapp.com/advisory/ntap-20230831-0001/ third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2023-38428?
CVE-2023-38428 has been scored as a critical severity vulnerability.
How to fix CVE-2023-38428?
To fix CVE-2023-38428, 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-2023-38428 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-38428 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.
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