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CVE-2021-40507

CRITICAL

9.8

Descripcion

An issue was discovered in the ALU unit of the OR1200 (aka OpenRISC 1200) processor 2011-09-10 through 2015-11-11. The overflow flag is not being updated correctly for the subtract instruction, which results in an incorrect value in the overflow flag. Any software that relies on this flag may experience corruption in execution.

Detalles CVE

Puntuacion CVSS v3.19.8

SeveridadCRITICAL

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado4/18/2023

Ultima modificacion2/6/2025

Fuentenvd

Avistamientos honeypot0

Productos afectados

openrisc:or1200openrisc:or1200_firmware

Debilidades (CWE)

CWE-287CWE-287

Referencias

https://github.com/openrisc/or1200/commit/2c0765d7ba12813df273cd693a99c4e744f0fbd5(cve@mitre.org)

https://seth.engr.tamu.edu/software-releases/thehuzz/(cve@mitre.org)

https://github.com/openrisc/or1200/commit/2c0765d7ba12813df273cd693a99c4e744f0fbd5(af854a3a-2127-422b-91ae-364da2661108)

https://seth.engr.tamu.edu/software-releases/thehuzz/(af854a3a-2127-422b-91ae-364da2661108)

Correlaciones IOC

Sin correlaciones registradas

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