CVE-2021-40507

CVSS V2 None CVSS V3 None

Description

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.

Overview

CVE ID
CVE-2021-40507

Assigner
cve@mitre.org

Vulnerability Status
Undergoing Analysis

Published Version
2023-04-18T12:15:07

Last Modified Date
2023-04-18T12:56:40

References

Reference URL	Reference Tags
https://github.com/openrisc/or1200/commit/2c0765d7ba12813df273cd693a99c4e744f0fbd5
https://seth.engr.tamu.edu/software-releases/thehuzz/

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2021-40507
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40507

History

Created	Old Value	New Value	Data Type	Notes
2023-04-18 13:00:51				Added to TrackCVE
2023-04-24 16:01:58	Awaiting Analysis	Undergoing Analysis	Vulnerability Status	updated