CVE-2024-26621

MEDIUM
Published Mar 2, 2024 Modified Jan 16, 2025

Description

In the Linux kernel, the following vulnerability has been resolved: mm: huge_memory: don't force huge page alignment on 32 bit commit efa7df3e3bb5 ("mm: align larger anonymous mappings on THP boundaries") caused two issues [1] [2] reported on 32 bit system or compat userspace. It doesn't make too much sense to force huge page alignment on 32 bit system due to the constrained virtual address space. [1] https://lore.kernel.org/linux-mm/[email protected]/ [2] https://lore.kernel.org/linux-mm/CAJuCfpHXLdQy1a2B6xN2d7quTYwg2OoZseYPZTRpU0eHHKD-sQ@mail.gmail.com/

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/4ef9ad19e17676b9ef071309bc62020e2373705d https://git.kernel.org/stable/c/6ea9aa8d97e6563676094cb35755884173269555 https://git.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47 https://git.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfe http://www.openwall.com/lists/oss-security/2024/07/08/3 http://www.openwall.com/lists/oss-security/2024/07/08/4 http://www.openwall.com/lists/oss-security/2024/07/08/5 http://www.openwall.com/lists/oss-security/2024/07/08/6 http://www.openwall.com/lists/oss-security/2024/07/08/7 http://www.openwall.com/lists/oss-security/2024/07/08/8 http://www.openwall.com/lists/oss-security/2024/07/09/1 http://www.openwall.com/lists/oss-security/2024/07/10/5 http://www.openwall.com/lists/oss-security/2024/07/10/7 http://www.openwall.com/lists/oss-security/2024/07/10/8 http://www.openwall.com/lists/oss-security/2024/07/11/4 http://www.openwall.com/lists/oss-security/2024/07/11/5 http://www.openwall.com/lists/oss-security/2024/07/11/7 http://www.openwall.com/lists/oss-security/2024/07/12/3 http://www.openwall.com/lists/oss-security/2024/07/13/2 http://www.openwall.com/lists/oss-security/2024/07/13/7 http://www.openwall.com/lists/oss-security/2024/07/15/1 http://www.openwall.com/lists/oss-security/2024/07/15/2 http://www.openwall.com/lists/oss-security/2024/07/16/1 http://www.openwall.com/lists/oss-security/2024/07/16/2 http://www.openwall.com/lists/oss-security/2024/07/29/2 http://www.openwall.com/lists/oss-security/2024/07/30/2 https://git.kernel.org/stable/c/4ef9ad19e17676b9ef071309bc62020e2373705d https://git.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47 https://git.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfe https://zolutal.github.io/aslrnt/

Frequently Asked Questions

What is CVE-2024-26621? +
In the Linux kernel, the following vulnerability has been resolved: mm: huge_memory: don't force huge page alignment on 32 bit commit efa7df3e3bb5 ("mm: align larger anonymous mappings on THP boundaries") caused two issues [1] [2] reported on 32 bit system or compat userspace. It doesn't make too much sense to force huge page alignment on 32 bit system due to the constrained virtual address space. [1] https://lore.kernel.org/linux-mm/[email protected]/ [2] https://lore.kernel.org/linux-mm/CAJuCfpHXLdQy1a2B6xN2d7quTYwg2OoZseYPZTRpU0eHHKD-sQ@mail.gmail.com/ It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-26621? +
CVE-2024-26621 has a CVSS v3.1 score of 5.5 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-2024-26621? +
CVE-2024-26621 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-26621? +
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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