CVE-2024-44944: netfilter: ctnetlink: use helper function to calculate expect ID

Published Aug 30, 2024
·
Updated

In the Linux kernel, the following vulnerability has been resolved:

netfilter: ctnetlink: use helper function to calculate expect ID

Delete expectation path is missing a call to the nfexpectgetid() helper function to calculate the expectation ID, otherwise LSB of the expectation object address is leaked to userspace.

Affected Software

13 affected componentsFixes available
Linux Linux kernel>=5.2<5.4.282
Linux Linux kernel>=5.5<5.10.224
Linux Linux kernel>=5.11<5.15.165
Linux Linux kernel>=5.16<6.1.103
Linux Linux kernel>=6.2<6.6.44
Linux Linux kernel>=6.7<6.10.3
Linux Linux kernel=4.19.320
Linux Linux kernel=5.1
debian/linux<=5.10.223-1
5.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
debian/linux-6.1
6.1.129-1~deb11u1
Microsoft cbl2 kernel 5.15.167.1-1
Microsoft cbl2 kernel 5.15.164.1-1
Microsoft cbl2 kernel 5.15.164.1-1

Event History

Aug 30, 2024
CVE Published
via MITRE·07:56 AM
Data Sourced
via MITRE·07:56 AM
Description
Data Sourced
via NVD·08:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Oct 12, 2024
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverity
May 5, 2025
Data Sourced
via Ubuntu·12:37 AM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2024-44944?

The severity of CVE-2024-44944 is classified as medium, due to its potential impact on Linux kernel networking functionalities.

2

How do I fix CVE-2024-44944?

To fix CVE-2024-44944, update the Linux kernel to a version that includes the patch, such as 5.10.226-1 or higher.

3

Which versions of the Linux kernel are affected by CVE-2024-44944?

CVE-2024-44944 affects multiple versions of the Linux kernel including versions from 4.19.320 up to 6.10.3.

4

What components are impacted by CVE-2024-44944?

CVE-2024-44944 primarily impacts the netfilter functionality within the Linux kernel.

5

Is there an alternative solution if I cannot update the kernel for CVE-2024-44944?

If a kernel update is not feasible, consider implementing additional security measures like network segmentation to mitigate risk.

Contact

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