CVE-2022-47940

Published: Dec 23, 2022Modified: Jun 17, 2026

8.1

Vector

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

Exploitability: 2.8 / Impact: 5.2

Source: NVD

Description

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in smb2_write.

Affected (2)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 5.15 to 5.15.145
Linux Linux Kernel	From 5.16 to 5.18.18

Related CWEs

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

References (8)

http://www.openwall.com/lists/oss-security/2022/12/23/10

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18

Source: cve@mitre.org

Mailing ListPatchVendor Advisory

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=158a66b245739e15858de42c0ba60fcf3de9b8e6

Source: cve@mitre.org

Mailing ListPatchVendor Advisory

https://github.com/torvalds/linux/commit/158a66b245739e15858de42c0ba60fcf3de9b8e6

Source: cve@mitre.org

PatchThird Party Advisory

http://www.openwall.com/lists/oss-security/2022/12/23/10

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.18.18

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListPatchVendor Advisory

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=158a66b245739e15858de42c0ba60fcf3de9b8e6

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListPatchVendor Advisory

https://github.com/torvalds/linux/commit/158a66b245739e15858de42c0ba60fcf3de9b8e6

Source: af854a3a-2127-422b-91ae-364da2661108

PatchThird Party Advisory

Timeline

No history available yet.