What is CVE-2024-26621?

CVE-2024-26621 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.18 onward and patched in 6.1.81, 6.6.46, 6.7.6 and others. CVE-2024-26621 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-26621?

CVE-2024-26621 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-2024-26621?

Yes, CVE-2024-26621 has been patched. Fixed versions include 6.1.81, 6.6.46, 6.7.6 and others. If you are running Linux kernel 5.18 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-26621 actively exploited?

CVE-2024-26621 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2024-26621

Medium

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/

Package Linux Kernel

Published 2024-03-02

Last modified 2025-01-16

CVSS version 3.1

Patch available

Yes

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

Affected versions

Linux kernel versions 5.18 and later are affected. Fixed in 6.1.81, 6.6.46, 6.7.6, 6.8 and their respective stable series.

Affected from

≥ 5.18

Fixed in

✓ 6.1.81 6.1.x ✓ 6.6.46 6.6.x ✓ 6.7.6 6.7.x ✓ 6.8

References

27 total

Kernel Git
https://git.kernel.org/stable/c/4ef9ad19e17676b9ef071309bc62020e2373705d

Patch
Kernel Git
https://git.kernel.org/stable/c/6ea9aa8d97e6563676094cb35755884173269555

Patch
Kernel Git
https://git.kernel.org/stable/c/7432376c913381c5f24d373a87ff629bbde94b47

Patch
Kernel Git
https://git.kernel.org/stable/c/87632bc9ecff5ded93433bc0fca428019bdd1cfe

Patch
Openwall
http://www.openwall.com/lists/oss-security/2024/07/08/3

Patch

Showing 5 of 27 references View all on NVD

Details

CVE ID CVE-2024-26621

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-03-02

Modified 2025-01-16

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-26621?

CVE-2024-26621 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.18 onward and has been patched in 6.1.81, 6.6.46, 6.7.6 and others. CVE-2024-26621 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-26621?

CVE-2024-26621 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-2024-26621?

Yes. CVE-2024-26621 has been patched. Fixed versions include 6.1.81, 6.6.46, 6.7.6 and others. If you are running Linux kernel 5.18 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-26621 actively exploited?

No. CVE-2024-26621 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.