CVE-2026-31439

In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix regmap init error handling devm_regmap_init_mmio returns an ERR_PTR() upon error, not NULL. Fix the error check and also fix the error message. Use the error code from ERR_PTR() instead of the wrong value in ret.

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/4b6e1da50b22e5528b9003f376a3cecccce4decc	Patch
https://git.kernel.org/stable/c/59f6ccd0f3345be2e8a78bdef2103e93f180633a	Patch
https://git.kernel.org/stable/c/9787b3d9b908785b40bc3f2e6d7082fdb8fdd98a	Patch
https://git.kernel.org/stable/c/e0adbf74e2a0455a6bc9628726ba87bcd0b42bf8	Patch
https://git.kernel.org/stable/c/f27197ccfd2ecd2c71f27fd57c6d507e892ad24d	Patch

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: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, 23:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: dmaengine: xilinx: xdma: Corrección del manejo de errores de inicialización de regmap devm_regmap_init_mmio devuelve un ERR_PTR() en caso de error, no NULL. Corrige la comprobación de errores y también el mensaje de error. Utiliza el código de error de ERR_PTR() en lugar del valor incorrecto en ret.

Information

Published : 2026-04-22 14:16

Updated : 2026-11-11 23:10

NVD link : CVE-2026-31439

Mitre link : CVE-2026-31439

CVE.ORG link : CVE-2026-31439

JSON object : View

Products Affected

linux

linux_kernel

CWE

NVD-CWE-noinfo

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