CVE-2024-26843

MEDIUM
Published Apr 17, 2024 Modified Apr 29, 2025 CWE-787

Description

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.

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CVSS v3.1 Score

6.0
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:H

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
debian debian_linux

References

Advisories & Patches

https://git.kernel.org/stable/c/156cb12ffdcf33883304f0db645e1eadae712fe0 https://git.kernel.org/stable/c/4aa36b62c3eaa869860bf78b1146e9f2b5f782a9 https://git.kernel.org/stable/c/4fff3d735baea104017f2e3c245e27cdc79f2426 https://git.kernel.org/stable/c/700c3f642c32721f246e09d3a9511acf40ae42be https://git.kernel.org/stable/c/cf3d6813601fe496de7f023435e31bfffa74ae70 https://git.kernel.org/stable/c/de1034b38a346ef6be25fe8792f5d1e0684d5ff4 https://git.kernel.org/stable/c/156cb12ffdcf33883304f0db645e1eadae712fe0 https://git.kernel.org/stable/c/4aa36b62c3eaa869860bf78b1146e9f2b5f782a9 https://git.kernel.org/stable/c/4fff3d735baea104017f2e3c245e27cdc79f2426 https://git.kernel.org/stable/c/700c3f642c32721f246e09d3a9511acf40ae42be https://git.kernel.org/stable/c/cf3d6813601fe496de7f023435e31bfffa74ae70 https://git.kernel.org/stable/c/de1034b38a346ef6be25fe8792f5d1e0684d5ff4

Frequently Asked Questions

What is CVE-2024-26843? +
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. It has a CVSS v3.1 base score of 6.0 (MEDIUM).
How severe is CVE-2024-26843? +
CVE-2024-26843 has a CVSS v3.1 score of 6.0 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-26843? +
CVE-2024-26843 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-26843? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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