What is CVE-2024-26811?

CVE-2024-26811 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, classified as a Out-of-bounds Write flaw (CWE-787). CVE-2024-26811 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-26811?

CVE-2024-26811 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-2024-26811?

No patch is currently available for CVE-2024-26811. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2024-26811 actively exploited?

CVE-2024-26811 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/787.html

CVE-2024-26811

Medium

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate payload size in ipc response If installing malicious ksmbd-tools, ksmbd.mountd can return invalid ipc response to ksmbd kernel server. ksmbd should validate payload size of ipc response from ksmbd.mountd to avoid memory overrun or slab-out-of-bounds. This patch validate 3 ipc response that has payload.

Package Linux Kernel

Published 2024-04-08

Last modified 2025-11-04

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-787

CVE-2024-26811 is a Out-of-bounds Write vulnerability

What is Out-of-bounds Write?

The product writes 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-2024-26811 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Lists
https://lists.fedoraproject.org/archives/list/[email protected]/message/6XCNJZBDMGJXRIKLGKM4RRJU4XCHPX62/
Lists
https://lists.fedoraproject.org/archives/list/[email protected]/message/LG6L4FXO4WNWUM6W7USOH2YTRVWREM3V/
Lists
https://lists.fedoraproject.org/archives/list/[email protected]/message/RO3RO34MLQ6WT3A7O6STQUVXW43N6W3K/
Kernel patch commit
https://git.kernel.org/stable/c/51a6c2af9d20203ddeeaf73314ba8854b38d01bd
Patch
Kernel patch commit
https://git.kernel.org/stable/c/76af689a45aa44714b46d1a7de4ffdf851ded896
Patch
Kernel patch commit
https://git.kernel.org/stable/c/88b7f1143b15b29cccb8392b4f38e75b7bb3e300
Patch

5 patch commits total View all on NVD

Details

CVE ID CVE-2024-26811

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-04-08

Modified 2025-11-04

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2024-26811?

CVE-2024-26811 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . CVE-2024-26811 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-26811?

CVE-2024-26811 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-2024-26811?

No patch is currently available for CVE-2024-26811. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2024-26811 actively exploited?

No — CVE-2024-26811 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Out-of-bounds Write (CWE-787)?

The product writes data past the end or before the beginning of the intended buffer. View CWE-787 on MITRE CWE →