Horizon Alert
Summary of the vulnerability and why it matters
The Arm Mali GPU kernel driver contains a vulnerability that could allow unprivileged users to access freed memory. This occurs due to mishandled GPU memory operations within the driver. The potential business impact includes unauthorized access to sensitive information and system compromise.
- Vulnerable Arm Mali GPU kernel driver
- Mishandled memory operations
- Data disclosure or system compromise
Attack Path
How an attacker could exploit the issue
The Arm Mali GPU kernel driver mishandles memory operations, allowing unprivileged users to access freed memory. This vulnerability affects specific versions of the Bifrost, Valhall, and Midgard GPU drivers. An attacker could exploit this flaw to gain elevated privileges or access sensitive information within the affected system. The vulnerability is associated with a use-after-free flaw in memory management.
- Unprivileged access to freed memory.
- Attacker triggers memory mishandling.
- Control or impact on systems and data.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability could enable an unprivileged user to access freed memory within the Arm Mali GPU kernel driver. Successful exploitation could lead to unauthorized access to sensitive information or a system compromise. The Arm Mali GPU kernel driver is a component of certain graphics processing units.
- Attackers with low skill.
- Requires local device access.
- High business risk; urgent action needed.
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
This vulnerability in the Arm Mali GPU kernel driver could allow unprivileged users to access freed memory, potentially leading to unauthorized data access or system control. The issue impacts specific versions of the Bifrost, Valhall, and Midgard GPU kernel drivers. Organizations should prioritize identifying all affected systems and implementing the vendor's provided security updates to mitigate this risk.
- Identify all affected assets.
- Reduce exposure or isolate risk.
- Fix, verify, and monitor.
