What is CVE-2024-49872?

CVE-2024-49872 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10, classified as a Race Condition flaw (CWE-362), affecting Linux kernel versions from 6.11 onward and patched in 6.11.3 and 6.12. CVE-2024-49872 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2024-49872?

CVE-2024-49872 has a CVSS score of 4.7 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2024-49872?

Yes, CVE-2024-49872 has been patched. Fixed versions include 6.11.3 and 6.12. If you are running Linux kernel 6.11 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2024-49872 actively exploited?

CVE-2024-49872 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/362.html

CVE-2024-49872

Medium

In the Linux kernel, the following vulnerability has been resolved: mm/gup: fix memfd_pin_folios alloc race panic If memfd_pin_folios tries to create a hugetlb page, but someone else already did, then folio gets the value -EEXIST here: folio = memfd_alloc_folio(memfd, start_idx); if (IS_ERR(folio)) { ret = PTR_ERR(folio); if (ret != -EEXIST) goto err; then on the next trip through the "while start_idx" loop we panic here: if (folio) { folio_put(folio); To fix, set the folio to NULL on error.

Package Linux Kernel

Published 2024-10-21

Last modified 2024-11-13

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

4.7

out of 10

Medium

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Vector string

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

Weakness type

CWE-362

CVE-2024-49872 is a Race Condition vulnerability

What is Race Condition?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE

Affected versions

Linux kernel versions 6.11 and later are affected. Fixed in 6.11.3, 6.12 and their respective stable series.

Affected from

≥ 6.11

Fixed in

✓ 6.11.3 6.11.x ✓ 6.12

References

The following references provide additional information about CVE-2024-49872 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/ce645b9fdc78ec5d28067286e92871ddae6817d5
Patch
Kernel patch commit
https://git.kernel.org/stable/c/e28f39b359c0cfdcc011603e51187085a5f1e5e3
Patch

Details

CVE ID CVE-2024-49872

Severity Medium

CVSS score 4.7 / 10

CVSS version 3.1

Published 2024-10-21

Modified 2024-11-13

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2024-49872?

CVE-2024-49872 is a Medium severity Linux kernel vulnerability with a CVSS score of 4.7 out of 10 , classified as a Race Condition flaw (CWE-362) . It affects Linux kernel versions from 6.11 onward and has been patched in 6.11.3 and 6.12. CVE-2024-49872 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2024-49872?

CVE-2024-49872 has a CVSS score of 4.7 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2024-49872?

Yes — CVE-2024-49872 has been patched. Fixed versions include 6.11.3 and 6.12. If you are running Linux kernel 6.11 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2024-49872 actively exploited?

No — CVE-2024-49872 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Race Condition (CWE-362)?

The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →