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CVE-2023-38431

CRITICAL

9.1

Description

An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/connection.c in ksmbd does not validate the relationship between the NetBIOS header's length field and the SMB header sizes, via pdu_size in ksmbd_conn_handler_loop, leading to an out-of-bounds read.

CVE Details

CVSS v3.1 Score9.1

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published7/18/2023

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

linux:linux_kernelnetapp:h300snetapp:h410snetapp:h500snetapp:h700snetapp:solidfire_\&_hci_management_node

Weaknesses (CWE)

CWE-125

References

https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8(cve@mitre.org)

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=368ba06881c395f1c9a7ba22203cf8d78b4addc0(cve@mitre.org)

https://security.netapp.com/advisory/ntap-20230824-0011/(cve@mitre.org)

https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8(af854a3a-2127-422b-91ae-364da2661108)

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=368ba06881c395f1c9a7ba22203cf8d78b4addc0(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20230824-0011/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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