CVE-2022-34830: n/a in n/a
An Arm product family through 2022-06-29 has a TOCTOU Race Condition that allows non-privileged user to make improper GPU processing operations to gain access to already freed memory.
AI Analysis
Technical Summary
CVE-2022-34830 is a high-severity vulnerability identified in an Arm product family, disclosed on November 23, 2022. The flaw is a Time-of-Check to Time-of-Use (TOCTOU) race condition (CWE-367) that affects GPU processing operations. Specifically, it allows a non-privileged user to perform improper GPU processing commands that can access memory regions that have already been freed. This type of race condition arises when the system checks a resource's state and then uses it, but the state changes between these two operations, leading to inconsistent or unsafe behavior. In this case, the vulnerability enables unauthorized access to freed memory, which can result in unauthorized disclosure of sensitive data (confidentiality impact), unauthorized modification of data (integrity impact), and potential disruption or corruption of GPU operations (availability impact). The CVSS v3.1 base score is 7.5, indicating a high severity level. The attack vector is network-based (AV:N), but requires high attack complexity (AC:H), low privileges (PR:L), and no user interaction (UI:N). The scope is unchanged (S:U), but the impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H). No specific vendor or product version details are provided, but the affected product family is from Arm, a major supplier of GPU and SoC architectures widely used in mobile devices, embedded systems, and increasingly in servers and IoT devices. No known exploits in the wild have been reported yet, and no patches or mitigation links are currently available. The vulnerability was reserved on June 29, 2022, and publicly disclosed in November 2022. Given the nature of the flaw, exploitation could allow attackers to bypass memory protection mechanisms, potentially leading to privilege escalation or data leakage within affected systems that utilize the vulnerable Arm GPU components.
Potential Impact
For European organizations, the impact of CVE-2022-34830 can be significant, especially for those relying on Arm-based hardware with integrated GPUs. This includes sectors such as telecommunications, automotive, industrial control systems, mobile device manufacturers, and IoT deployments. Confidentiality breaches could expose sensitive corporate or personal data, while integrity violations could corrupt critical processing tasks or data streams. Availability impacts could disrupt services relying on GPU acceleration, including AI workloads, graphics rendering, or real-time processing. Given the low privilege requirement for exploitation, attackers with limited access could leverage this vulnerability to escalate privileges or move laterally within networks. The high attack complexity somewhat limits mass exploitation, but targeted attacks against high-value assets remain a concern. European organizations using Arm-based embedded systems or devices in critical infrastructure should be particularly vigilant. The lack of patches increases the risk window, and the absence of known exploits does not preclude future weaponization. Additionally, the vulnerability could affect supply chains that incorporate Arm GPU components, potentially impacting a wide range of products and services across Europe.
Mitigation Recommendations
1. Monitor Arm's official security advisories and vendor communications closely for patches or firmware updates addressing this vulnerability. 2. Implement strict access controls and segmentation to limit non-privileged user access to GPU processing interfaces, reducing the attack surface. 3. Employ runtime monitoring and anomaly detection on GPU operations to identify unusual or unauthorized processing commands that could indicate exploitation attempts. 4. For organizations deploying embedded or IoT devices with Arm GPUs, consider applying vendor-provided firmware updates or workarounds as soon as they become available. 5. Conduct thorough security assessments of supply chain components to identify devices potentially affected by this vulnerability and prioritize remediation accordingly. 6. Where possible, disable or restrict GPU processing features not required for operational purposes to minimize exposure. 7. Engage with hardware vendors and system integrators to understand the scope of affected products and coordinate coordinated vulnerability response efforts. 8. Maintain up-to-date endpoint detection and response (EDR) solutions capable of detecting memory corruption or race condition exploitation techniques. 9. Educate system administrators and security teams about the nature of TOCTOU vulnerabilities and the importance of timely patching and monitoring.
Affected Countries
Germany, France, United Kingdom, Italy, Spain, Netherlands, Sweden, Finland, Poland, Belgium
CVE-2022-34830: n/a in n/a
Description
An Arm product family through 2022-06-29 has a TOCTOU Race Condition that allows non-privileged user to make improper GPU processing operations to gain access to already freed memory.
AI-Powered Analysis
Technical Analysis
CVE-2022-34830 is a high-severity vulnerability identified in an Arm product family, disclosed on November 23, 2022. The flaw is a Time-of-Check to Time-of-Use (TOCTOU) race condition (CWE-367) that affects GPU processing operations. Specifically, it allows a non-privileged user to perform improper GPU processing commands that can access memory regions that have already been freed. This type of race condition arises when the system checks a resource's state and then uses it, but the state changes between these two operations, leading to inconsistent or unsafe behavior. In this case, the vulnerability enables unauthorized access to freed memory, which can result in unauthorized disclosure of sensitive data (confidentiality impact), unauthorized modification of data (integrity impact), and potential disruption or corruption of GPU operations (availability impact). The CVSS v3.1 base score is 7.5, indicating a high severity level. The attack vector is network-based (AV:N), but requires high attack complexity (AC:H), low privileges (PR:L), and no user interaction (UI:N). The scope is unchanged (S:U), but the impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H). No specific vendor or product version details are provided, but the affected product family is from Arm, a major supplier of GPU and SoC architectures widely used in mobile devices, embedded systems, and increasingly in servers and IoT devices. No known exploits in the wild have been reported yet, and no patches or mitigation links are currently available. The vulnerability was reserved on June 29, 2022, and publicly disclosed in November 2022. Given the nature of the flaw, exploitation could allow attackers to bypass memory protection mechanisms, potentially leading to privilege escalation or data leakage within affected systems that utilize the vulnerable Arm GPU components.
Potential Impact
For European organizations, the impact of CVE-2022-34830 can be significant, especially for those relying on Arm-based hardware with integrated GPUs. This includes sectors such as telecommunications, automotive, industrial control systems, mobile device manufacturers, and IoT deployments. Confidentiality breaches could expose sensitive corporate or personal data, while integrity violations could corrupt critical processing tasks or data streams. Availability impacts could disrupt services relying on GPU acceleration, including AI workloads, graphics rendering, or real-time processing. Given the low privilege requirement for exploitation, attackers with limited access could leverage this vulnerability to escalate privileges or move laterally within networks. The high attack complexity somewhat limits mass exploitation, but targeted attacks against high-value assets remain a concern. European organizations using Arm-based embedded systems or devices in critical infrastructure should be particularly vigilant. The lack of patches increases the risk window, and the absence of known exploits does not preclude future weaponization. Additionally, the vulnerability could affect supply chains that incorporate Arm GPU components, potentially impacting a wide range of products and services across Europe.
Mitigation Recommendations
1. Monitor Arm's official security advisories and vendor communications closely for patches or firmware updates addressing this vulnerability. 2. Implement strict access controls and segmentation to limit non-privileged user access to GPU processing interfaces, reducing the attack surface. 3. Employ runtime monitoring and anomaly detection on GPU operations to identify unusual or unauthorized processing commands that could indicate exploitation attempts. 4. For organizations deploying embedded or IoT devices with Arm GPUs, consider applying vendor-provided firmware updates or workarounds as soon as they become available. 5. Conduct thorough security assessments of supply chain components to identify devices potentially affected by this vulnerability and prioritize remediation accordingly. 6. Where possible, disable or restrict GPU processing features not required for operational purposes to minimize exposure. 7. Engage with hardware vendors and system integrators to understand the scope of affected products and coordinate coordinated vulnerability response efforts. 8. Maintain up-to-date endpoint detection and response (EDR) solutions capable of detecting memory corruption or race condition exploitation techniques. 9. Educate system administrators and security teams about the nature of TOCTOU vulnerabilities and the importance of timely patching and monitoring.
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Technical Details
- Data Version
- 5.1
- Assigner Short Name
- mitre
- Date Reserved
- 2022-06-29T00:00:00.000Z
- Cisa Enriched
- true
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 682d983dc4522896dcbef386
Added to database: 5/21/2025, 9:09:17 AM
Last enriched: 6/22/2025, 7:50:15 AM
Last updated: 8/11/2025, 11:45:18 AM
Views: 15
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