What is CVE-2024-26774?

CVE-2024-26774 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Divide By Zero flaw (CWE-369). CVE-2024-26774 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-26774?

CVE-2024-26774 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2024-26774?

No patch is currently available for CVE-2024-26774. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2024-26774 actively exploited?

CVE-2024-26774 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Divide By Zero (CWE-369)?

The product divides a value by zero, causing a crash or unexpected behaviour. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/369.html

CVE-2024-26774

Medium

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt Determine if bb_fragments is 0 instead of determining bb_free to eliminate the risk of dividing by zero when the block bitmap is corrupted.

Package Linux Kernel

Published 2024-04-03

Last modified 2025-06-19

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-369

CVE-2024-26774 is a Divide By Zero vulnerability

What is Divide By Zero?

The product divides a value by zero, causing a crash or unexpected behaviour. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2024-26774 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/8b40eb2e716b503f7a4e1090815a17b1341b2150
Patch
Kernel patch commit
https://git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3
Patch
Kernel patch commit
https://git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2024-26774

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-04-03

Modified 2025-06-19

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2024-26774?

CVE-2024-26774 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as a Divide By Zero flaw (CWE-369) . CVE-2024-26774 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-26774?

CVE-2024-26774 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2024-26774?

No patch is currently available for CVE-2024-26774. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2024-26774 actively exploited?

No — CVE-2024-26774 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Divide By Zero (CWE-369)?

The product divides a value by zero, causing a crash or unexpected behaviour. View CWE-369 on MITRE CWE →