What is CVE-2021-47083?

CVE-2021-47083 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10, classified as a Out-of-bounds Read flaw (CWE-125), affecting Linux kernel versions from 4.20 onward and patched in 5.4.169, 5.10.89, 5.15.12 and others. CVE-2021-47083 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47083?

CVE-2021-47083 has a CVSS score of 7.1 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.

Is there a patch available for CVE-2021-47083?

Yes, CVE-2021-47083 has been patched. Fixed versions include 5.4.169, 5.10.89, 5.15.12 and others. If you are running Linux kernel 4.20 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2021-47083 actively exploited?

CVE-2021-47083 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Read (CWE-125)?

The product reads data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/125.html

CVE-2021-47083

High

In the Linux kernel, the following vulnerability has been resolved: pinctrl: mediatek: fix global-out-of-bounds issue When eint virtual eint number is greater than gpio number, it maybe produce 'desc[eint_n]' size globle-out-of-bounds issue.

Package Linux Kernel

Published 2024-03-04

Last modified 2025-01-16

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

7.1

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-125

CVE-2021-47083 is a Out-of-bounds Read vulnerability

What is Out-of-bounds Read?

The product reads data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE

Affected versions

Linux kernel versions 4.20 and later are affected. Fixed in 5.4.169, 5.10.89, 5.15.12, 5.16 and their respective stable series.

Affected from

≥ 4.20

Fixed in

✓ 5.4.169 5.4.x ✓ 5.10.89 5.10.x ✓ 5.15.12 5.15.x ✓ 5.16

References

4 total

Kernel Git
https://git.kernel.org/stable/c/2d5446da5acecf9c67db1c9d55ae2c3e5de01f8d

Patch
Kernel Git
https://git.kernel.org/stable/c/441d3873664d170982922c5d2fc01fa89d9439ed

Patch
Kernel Git
https://git.kernel.org/stable/c/f373298e1bf0c6ea097c0bcc558dc43ad53e421f

Patch
Kernel Git
https://git.kernel.org/stable/c/fb563baa3eb8e7a15f2cff3c2695e2cca0493e69

Patch

Details

CVE ID CVE-2021-47083

Severity High

CVSS score 7.1 / 10

CVSS version 3.1

Published 2024-03-04

Modified 2025-01-16

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2021-47083?

CVE-2021-47083 is a High severity Linux kernel vulnerability with a CVSS score of 7.1 out of 10 , classified as an Out-of-bounds Read flaw (CWE-125) . It affects Linux kernel versions from 4.20 onward and has been patched in 5.4.169, 5.10.89, 5.15.12 and others. CVE-2021-47083 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47083?

CVE-2021-47083 has a CVSS score of 7.1 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Is there a patch available for CVE-2021-47083?

Yes. CVE-2021-47083 has been patched. Fixed versions include 5.4.169, 5.10.89, 5.15.12 and others. If you are running Linux kernel 4.20 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2021-47083 actively exploited?

No. CVE-2021-47083 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.