Linux Kernel up to 4.12 commctrl.c aac_send_raw_srb information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.3 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, was found in Linux Kernel up to 4.12. Affected is the function aac_send_raw_srb of the file drivers/scsi/aacraid/commctrl.c. Such manipulation leads to information disclosure.
This vulnerability is uniquely identified as CVE-2017-18549. Local access is required to approach this attack. No exploit exists.
You should upgrade the affected component.
Details
A vulnerability was found in Linux Kernel up to 4.12 (Operating System). It has been rated as problematic. Affected by this issue is the function aac_send_raw_srb of the file drivers/scsi/aacraid/commctrl.c. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:
An issue was discovered in drivers/scsi/aacraid/commctrl.c in the Linux kernel before 4.13. There is potential exposure of kernel stack memory because aac_send_raw_srb does not initialize the reply structure.
The weakness was disclosed 08/19/2019. This vulnerability is handled as CVE-2017-18549 since 08/18/2019. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.
The vulnerability scanner Nessus provides a plugin with the ID 247028 (Linux Distros Unpatched Vulnerability : CVE-2017-18549), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 4.13 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (247028). The entries VDB-140286, VDB-140285, VDB-140284 and VDB-140283 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.
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: 4.4VulDB Meta Temp Score: 4.3
VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 247028
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2017-18549
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Kernel 4.13
Patch: git.kernel.org
Timeline
08/18/2019 🔍08/19/2019 🔍
08/19/2019 🔍
08/10/2025 🔍
Sources
Vendor: kernel.orgAdvisory: git.kernel.org
Status: Confirmed
CVE: CVE-2017-18549 (🔍)
GCVE (CVE): GCVE-0-2017-18549
GCVE (VulDB): GCVE-100-140282
See also: 🔍
Entry
Created: 08/19/2019 08:22Updated: 08/10/2025 00:59
Changes: 08/19/2019 08:22 (41), 07/30/2020 18:46 (18), 11/26/2023 13:32 (5), 08/10/2025 00:59 (18)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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