CVE-2019-10628 : Security Advisory and Response
Learn about CVE-2019-10628, a Qualcomm chipset vulnerability allowing memory corruption by manipulating TLB entries. Find mitigation steps and affected systems here.
A vulnerability in Qualcomm chipsets could allow an attacker to corrupt memory by manipulating TLB entries in the kernel from the user library.
Understanding CVE-2019-10628
This CVE affects various Qualcomm platforms and chipsets, potentially leading to memory corruption.
What is CVE-2019-10628?
If a random index is permitted to manipulate TLB entries in the kernel from the user library, it can result in memory corruption. This vulnerability impacts multiple Qualcomm platforms and chipsets.
The Impact of CVE-2019-10628
The vulnerability has the potential to corrupt memory on a range of Qualcomm chipsets and platforms, affecting various industries and devices.
Technical Details of CVE-2019-10628
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability arises from improper validation of array index in the kernel, allowing unauthorized manipulation of TLB entries.
Affected Systems and Versions
- Affected Platforms: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking
- Affected Chipsets: APQ8098, Bitra, MDM9205, MDM9650, MSM8998, Nicobar, QCA6390, QCN7605, QCS404, QCS405, QCS605, QCS610, Rennell, SA415M, SA6155P, Saipan, SC7180, SC8180X, SDA660, SDA845, SDM630, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX20, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR1130, SXR2130
Exploitation Mechanism
The vulnerability can be exploited by allowing a random index to manipulate TLB entries in the kernel from the user library, leading to memory corruption.
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches provided by Qualcomm promptly.
- Monitor Qualcomm's security bulletins for updates and advisories.
Long-Term Security Practices
- Implement strict access controls to prevent unauthorized access to kernel functions.
- Regularly update and patch systems to address security vulnerabilities.
Patching and Updates
- Regularly check for and apply security updates and patches released by Qualcomm to mitigate the CVE-2019-10628 vulnerability.