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Mdm9640 Firmware CVE-2019-2246

HIGH
Out-of-bounds Write (CWE-787)
2019-11-06 product-security@qualcomm.com
Buffer Overflow Memory Corruption Qualcomm Mdm9640 Firmware Msm8996au Firmware Qca6574 Firmware Sd 675 Firmware Sd 8cx Firmware Sda660 Firmware Sd 425 Firmware Sd 625 Firmware Sd 820 Firmware Sd 835 Firmware Sd 845 Firmware Sd 450 Firmware Sd 427 Firmware Sd 435 Firmware Sdm630 Firmware Sdm660 Firmware Sd 850 Firmware Snapdragon High Med 2016 Firmware Sdm439 Firmware Sdx24 Firmware Sxr1130 Firmware Sd 439 Firmware Sd 429 Firmware Sd 636 Firmware Sd 712 Firmware Sd 710 Firmware Sd 670 Firmware Sd 855 Firmware Qcs605 Firmware Sd 730 Firmware Qualcomm 215 Firmware Sd 665 Firmware Mdm9205 Firmware
7.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
7.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Nov 06, 2019 - 17:15 nvd
HIGH 7.8

DescriptionNVD

Thread start can cause invalid memory writes to arbitrary memory location since the argument is passed by user to kernel in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in MDM9205, MDM9640, MSM8996AU, QCA6574, QCS605, Qualcomm 215, SD 425, SD 427, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 835, SD 845 / SD 850, SD 855, SD 8CX, SDA660, SDM439, SDM630, SDM660, SDX24, Snapdragon_High_Med_2016, SXR1130

AnalysisAI

Thread start can cause invalid memory writes to arbitrary memory location since the argument is passed by user to kernel in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Thread start can cause invalid memory writes to arbitrary memory location since the argument is passed by user to kernel in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile in MDM9205, MDM9640, MSM8996AU, QCA6574, QCS605, Qualcomm 215, SD 425, SD 427, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 636, SD 665, SD 675, SD 712 / SD 710 / SD 670, SD 730, SD 820, SD 835, SD 845 / SD 850, SD 855, SD 8CX, SDA660, SDM439, SDM630, SDM660, SDX24, Snapdragon_High_Med_2016, SXR1130 Affected products include: Qualcomm Mdm9205 Firmware, Qualcomm Mdm9640 Firmware, Qualcomm Msm8996Au Firmware, Qualcomm Qca6574 Firmware, Qualcomm Qcs605 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

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CVE-2019-2246 vulnerability details – vuln.today
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