CVE-2022-47943

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 5.19 before 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case.

Affected (3)

Products: Linux: Linux Kernel

Linux

1 product

Linux Kernel

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Linux Linux Kernel	From 5.15 to 5.15.62
Linux Linux Kernel	From 5.16 to 5.18.18
Linux Linux Kernel	From 5.19 to 5.19.2

Related CWEs

CWE-125

Out-of-bounds Read

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

References (12)

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-5.19.2

Source: cve@mitre.org

Mailing ListPatchVendor Advisory

https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09

Source: cve@mitre.org

Mailing ListPatchVendor Advisory

https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09

Source: cve@mitre.org

PatchThird Party Advisory

https://security.netapp.com/advisory/ntap-20230216-0006/

Source: cve@mitre.org

Third Party Advisory

https://www.zerodayinitiative.com/advisories/ZDI-22-1691/

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

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