CVE-2024-26954

ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16()

Description

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in smb_strndup_from_utf16() If ->NameOffset of smb2_create_req is smaller than Buffer offset of smb2_create_req, slab-out-of-bounds read can happen from smb2_open. This patch set the minimum value of the name offset to the buffer offset to validate name length of smb2_create_req().

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.05%
Affected: Linux Linux
Affected: Linux Linux
Published at:
Updated at:

References

Link Tags
https://git.kernel.org/stable/c/d70c2e0904ab3715c5673fd45788a464a246d1db patch mailing list
https://git.kernel.org/stable/c/3b8da67191e938a63d2736dabb4ac5d337e5de57 patch mailing list
https://git.kernel.org/stable/c/4f97e6a9d62cb1fce82fbf4baff44b83221bc178 patch mailing list
https://git.kernel.org/stable/c/a80a486d72e20bd12c335bcd38b6e6f19356b0aa patch mailing list

Frequently Asked Questions

What is the severity of CVE-2024-26954?
CVE-2024-26954 has been scored as a high severity vulnerability.
How to fix CVE-2024-26954?
To fix CVE-2024-26954, 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-2024-26954 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-26954 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-2024-26954?
CVE-2024-26954 affects Linux Linux, Linux Linux.
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