CVE-2025-37789

In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix nested key length validation in the set() action It's not safe to access nla_len(ovs_key) if the data is smaller than the netlink header. Check that the attribute is OK first.

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/03d7262dd53e8c404da35cc81aaa887fd901f76b	Patch
https://git.kernel.org/stable/c/1489c195c8eecd262aa6712761ba5288203e28ec	Patch
https://git.kernel.org/stable/c/54c6957d1123a2032099b9eab51c314800f677ce	Patch
https://git.kernel.org/stable/c/65d91192aa66f05710cfddf6a14b5a25ee554dba	Patch
https://git.kernel.org/stable/c/7fcaec0b2ab8fa5fbf0b45e5512364a168f445bd	Patch
https://git.kernel.org/stable/c/824a7c2df5127b2402b68a21a265d413e78dcad7	Patch
https://git.kernel.org/stable/c/a27526e6b48eee9e2d82efff502c4f272f1a91d4	Patch
https://git.kernel.org/stable/c/be80768d4f3b6fd13f421451cc3fee8778aba8bc	Patch
https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html	Mailing List Third Party Advisory

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::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.15:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.15:rc2::::::

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2025-05-01 14:15

Updated : 2025-11-06 17:27

NVD link : CVE-2025-37789

Mitre link : CVE-2025-37789

CVE.ORG link : CVE-2025-37789

JSON object : View

Products Affected

debian

debian_linux

linux

linux_kernel

CWE

NVD-CWE-noinfo

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Check that the attribute is OK first."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net: openvswitch: correcci\u00f3n de la validaci\u00f3n de la longitud de la clave anidada en la acci\u00f3n set(). No es seguro acceder a nla_len(ovs_key) si los datos son menores que el encabezado netlink. 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