Linux Kernel up to 6.10.6 iommu_report_device_fault denial of service

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.5 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as critical has been discovered in Linux Kernel up to 6.10.6. This affects the function iommu_report_device_fault. Executing a manipulation can lead to denial of service.
This vulnerability is tracked as CVE-2024-44994. No exploit exists.
It is advisable to upgrade the affected component.
Details
A vulnerability has been found in Linux Kernel up to 6.10.6 and classified as critical. This vulnerability affects the function iommu_report_device_fault. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. CVE summarizes:
In the Linux kernel, the following vulnerability has been resolved: iommu: Restore lost return in iommu_report_device_fault() When iommu_report_device_fault gets called with a partial fault it is supposed to collect the fault into the group and then return. Instead the return was accidently deleted which results in trying to process the fault and an eventual crash. Deleting the return was a typo, put it back.
The advisory is shared for download at git.kernel.org. This vulnerability was named CVE-2024-44994 since 08/21/2024. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 212415 (RHEL 9 : kernel (RHSA-2024:10939)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 6.10.7 eliminates this vulnerability. Applying the patch cc6bc2ab1663/fca5b78511e9 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the vulnerability database at Tenable (212415). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.kernel.org/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.6VulDB Meta Temp Score: 5.5
VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Nessus ID: 212415
Nessus Name: RHEL 9 : kernel (RHSA-2024:10939)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.10.7
Patch: cc6bc2ab1663/fca5b78511e9
Timeline
08/21/2024 🔍09/04/2024 🔍
09/04/2024 🔍
12/11/2024 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2024-44994 (🔍)
GCVE (CVE): GCVE-0-2024-44994
GCVE (VulDB): GCVE-100-276592
Entry
Created: 09/04/2024 22:26Updated: 12/11/2024 22:48
Changes: 09/04/2024 22:26 (58), 09/06/2024 10:28 (1), 10/11/2024 03:24 (10), 12/11/2024 22:48 (2)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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