Linux Kernel up to 6.6.9 fs/smb/server/smb2misc.c smb2_get_data_area_len out-of-bounds

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.6 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Linux Kernel up to 6.6.9. This issue affects the function smb2_get_data_area_len of the file fs/smb/server/smb2misc.c. This manipulation causes out-of-bounds.
This vulnerability is tracked as CVE-2024-22705. No exploit exists.
You should upgrade the affected component.
Details
A vulnerability was found in Linux Kernel up to 6.6.9 (Operating System). It has been declared as problematic. Affected by this vulnerability is the function smb2_get_data_area_len of the file fs/smb/server/smb2misc.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. The summary by CVE is:
An issue was discovered in ksmbd in the Linux kernel before 6.6.10. smb2_get_data_area_len in fs/smb/server/smb2misc.c can cause an smb_strndup_from_utf16 out-of-bounds access because the relationship between Name data and CreateContexts data is mishandled.
The weakness was disclosed 01/23/2024. It is possible to read the advisory at git.kernel.org. This vulnerability is known as CVE-2024-22705 since 01/11/2024. Technical details of the vulnerability are known, but there is no available exploit.
Upgrading to version 6.6.10 eliminates this vulnerability. The upgrade is hosted for download at cdn.kernel.org. Applying a patch 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 EUVD (EUVD-2024-20237). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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: 5.6
VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 6.6.10
Patch: git.kernel.org
Timeline
01/11/2024 🔍01/23/2024 🔍
01/23/2024 🔍
06/06/2025 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2024-22705 (🔍)
GCVE (CVE): GCVE-0-2024-22705
GCVE (VulDB): GCVE-100-251827
EUVD: 🔍
Entry
Created: 01/23/2024 15:03Updated: 06/06/2025 04:48
Changes: 01/23/2024 15:03 (44), 02/17/2024 07:26 (11), 06/06/2025 02:00 (16), 06/06/2025 04:48 (1)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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