What is CVE-2021-47039?

CVE-2021-47039 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). CVE-2021-47039 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2021-47039?

CVE-2021-47039 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-2021-47039?

No patch is currently available for CVE-2021-47039. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2021-47039 actively exploited?

CVE-2021-47039 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-2021-47039

High

In the Linux kernel, the following vulnerability has been resolved: ataflop: potential out of bounds in do_format() The function uses "type" as an array index: q = unit[drive].disk[type]->queue; Unfortunately the bounds check on "type" isn't done until later in the function. Fix this by moving the bounds check to the start.

Package Linux Kernel

Published 2024-02-28

Last modified 2025-01-09

CVSS version 3.1

Patch available

Awaiting data

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-2021-47039 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

References

The following references provide additional information about CVE-2021-47039 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/07f86aa8f4fe077be1b018cc177eb8c6573e5671
Patch
Kernel patch commit
https://git.kernel.org/stable/c/1ffec389a6431782a8a28805830b6fae9bf00af1
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2a3a8bbca28b899806844c00d49ed1b7ccb50957
Patch

Details

CVE ID CVE-2021-47039

Severity High

CVSS score 7.1 / 10

CVSS version 3.1

Published 2024-02-28

Modified 2025-01-09

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2021-47039?

CVE-2021-47039 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) . CVE-2021-47039 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2021-47039?

CVE-2021-47039 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-2021-47039?

No patch is currently available for CVE-2021-47039. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2021-47039 actively exploited?

No — CVE-2021-47039 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (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. View CWE-125 on MITRE CWE →