CVE-2022-47942

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is a heap-based buffer overflow in set_ntacl_dacl, related to use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE command.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

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 Third Party Advisory Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f0541186e9ad1b62accc9519cc2b7a7240272a7	Mailing List Patch Third Party Advisory Vendor Advisory
https://github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7	Patch Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1688/	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 Third Party Advisory Vendor Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f0541186e9ad1b62accc9519cc2b7a7240272a7	Mailing List Patch Third Party Advisory Vendor Advisory
https://github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7	Patch Third Party Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1688/	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 16:15

Updated : 2025-04-15 14:15

NVD link : CVE-2022-47942

Mitre link : CVE-2022-47942

CVE.ORG link : CVE-2022-47942

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-787

Out-of-bounds Write

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