CVE-2022-47943 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux	Linux Kernel

Configuration 1 [-]

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

No data.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2022/12/23/10
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09
https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09
https://nvd.nist.gov/vuln/detail/CVE-2022-47943
https://security.netapp.com/advisory/ntap-20230216-0006/
https://www.cve.org/CVERecord?id=CVE-2022-47943
https://www.openwall.com/lists/oss-security/2022/12/23/10
https://www.zerodayinitiative.com/advisories/ZDI-22-1691/

History

Wed, 16 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00948}`	epss `{'score': 0.01053}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-12-23T00:00:00.000Z

Updated: 2025-04-15T13:55:30.083Z

Reserved: 2022-12-23T00:00:00.000Z

Link: CVE-2022-47943

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-12-23T17:15:08.993

Modified: 2025-04-15T14:15:39.737

Link: CVE-2022-47943

Redhat

Severity : Critical

Publid Date: 2022-12-22T00:00:00Z

Links: CVE-2022-47943 - Bugzilla

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