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CVE-2021-40507

CRITICAL

9.8

Beschreibung

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.

CVE Details

CVSS v3.1 Bewertung9.8

SchweregradCRITICAL

CVSS VektorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht4/18/2023

Zuletzt geandert2/6/2025

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

openrisc:or1200openrisc:or1200_firmware

Schwachen (CWE)

CWE-287CWE-287

Referenzen

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)

IOC Korrelationen

Keine Korrelationen erfasst

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