CVE-2026-31777

In the Linux kernel, the following vulnerability has been resolved: ALSA: ctxfi: Check the error for index mapping The ctxfi driver blindly assumed a proper value returned from daio_device_index(), but it's not always true. Add a proper error check to deal with the error from the function.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/277c6960d4ddb94d16198afd70c92c3d4593d131	Patch
https://git.kernel.org/stable/c/971854e7b6ddda78669d3d0cf6566c7b8aca1fdb
https://git.kernel.org/stable/c/d4d3b8cbb70a2de247cbfe99bdb232aef9ed59bc	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc1::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc2::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc3::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc4::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc5::::::
	cpe:2.3:o:linux:linux_kernel:7.0:rc6::::::

History

11 Nov 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: ALSA: ctxfi: Comprobar el error para el mapeo de índices El controlador ctxfi asumió ciegamente un valor adecuado devuelto por daio_device_index(), pero no siempre es cierto. Añadir una comprobación de error adecuada para manejar el error de la función.

15 Oct 2026, 11:17

Type	Values Removed	Values Added
References		() https://git.kernel.org/stable/c/971854e7b6ddda78669d3d0cf6566c7b8aca1fdb -

Information

Published : 2026-05-01 15:16

Updated : 2026-11-11 21:10

NVD link : CVE-2026-31777

Mitre link : CVE-2026-31777

CVE.ORG link : CVE-2026-31777

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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