CVE-2022-47943

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.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://www.openwall.com/lists/oss-security/2022/12/23/10	Mailing List Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2	Mailing List Patch Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09	Mailing List Patch Vendor Advisory
https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09	Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20230216-0006/	Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1691/	Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2022/12/23/10	Mailing List Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2	Mailing List Patch Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09	Mailing List Patch Vendor Advisory
https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09	Patch Third Party Advisory
https://security.netapp.com/advisory/ntap-20230216-0006/	Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1691/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2022-12-23 17:15

Updated : 2025-04-15 14:15

NVD link : CVE-2022-47943

Mitre link : CVE-2022-47943

CVE.ORG link : CVE-2022-47943

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-125

Out-of-bounds Read

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