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NVD Vulnerability Details :
CVE-2021-40506
Modified
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-18 Apr, 2023 | 12:15
Updated At-06 Feb, 2025 | 16:15

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 for the msb and mac instructions, which results in an incorrect value in the overflow flag. Any software that relies on this flag may experience corruption in execution.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Secondary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches
openrisc
openrisc
>>or1200_firmware>>Versions from 2011-09-10(inclusive) to 2015-11-11(inclusive)
cpe:2.3:o:openrisc:or1200_firmware:*:*:*:*:*:*:*:*
openrisc
openrisc
>>or1200>>-
cpe:2.3:h:openrisc:or1200:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-287Primarynvd@nist.gov
CWE-287Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-287
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-287
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/openrisc/or1200/commit/2c0765d7ba12813df273cd693a99c4e744f0fbd5cve@mitre.org
Patch
https://seth.engr.tamu.edu/software-releases/thehuzz/cve@mitre.org
Third Party Advisory
https://github.com/openrisc/or1200/commit/2c0765d7ba12813df273cd693a99c4e744f0fbd5af854a3a-2127-422b-91ae-364da2661108
Patch
https://seth.engr.tamu.edu/software-releases/thehuzz/af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Hyperlink: https://github.com/openrisc/or1200/commit/2c0765d7ba12813df273cd693a99c4e744f0fbd5
Source: cve@mitre.org
Resource:
Patch
Hyperlink: https://seth.engr.tamu.edu/software-releases/thehuzz/
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://github.com/openrisc/or1200/commit/2c0765d7ba12813df273cd693a99c4e744f0fbd5
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Hyperlink: https://seth.engr.tamu.edu/software-releases/thehuzz/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Change History
0Changes found
Details not found