What is CVE-2024-26843?

CVE-2024-26843 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.0 out of 10, classified as a Out-of-bounds Write flaw (CWE-787). CVE-2024-26843 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-26843?

CVE-2024-26843 has a CVSS score of 6.0 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H.

Is there a patch available for CVE-2024-26843?

No patch is currently available for CVE-2024-26843. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2024-26843 actively exploited?

CVE-2024-26843 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-2024-26843

Medium

In the Linux kernel, the following vulnerability has been resolved: efi: runtime: Fix potential overflow of soft-reserved region size md_size will have been narrowed if we have >= 4GB worth of pages in a soft-reserved region.

Package Linux Kernel

Published 2024-04-17

Last modified 2025-04-29

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

6.0

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-787

CVE-2024-26843 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-2024-26843 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Debian Security
https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html

Mailing List
Kernel patch commit
https://git.kernel.org/stable/c/156cb12ffdcf33883304f0db645e1eadae712fe0
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4aa36b62c3eaa869860bf78b1146e9f2b5f782a9
Patch
Kernel patch commit
https://git.kernel.org/stable/c/4fff3d735baea104017f2e3c245e27cdc79f2426
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2024-26843

Severity Medium

CVSS score 6.0 / 10

CVSS version 3.1

Published 2024-04-17

Modified 2025-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2024-26843?

CVE-2024-26843 is a Medium severity Linux kernel vulnerability with a CVSS score of 6.0 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . CVE-2024-26843 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-26843?

CVE-2024-26843 has a CVSS score of 6.0 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H.
Is there a patch available for CVE-2024-26843?

No patch is currently available for CVE-2024-26843. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2024-26843 actively exploited?

No — CVE-2024-26843 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 →