Use-After-Free Vulnerability in Linux Kernel's Taprio Module
CVE-2025-38087
Key Information:
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What is CVE-2025-38087?
CVE-2025-38087 is a use-after-free vulnerability identified in the Taprio module of the Linux kernel. The Taprio (Time-Aware Shaper) technology is designed to enhance the scheduling and transmission of data in real-time applications by allowing precise control over the timing of packet forwarding in networking. The vulnerability arises in the function taprio_dev_notifier(), which is not adequately protected by a Read-Copy-Update (RCU) read-side critical section. This oversight can lead to a race condition when the advance_sched() function is executed, potentially resulting in a use-after-free scenario. Such a vulnerability, if exploited, could allow attackers to execute code in the context of the kernel, thereby jeopardizing the integrity and availability of the system, leading to severe consequences for organizations relying on Linux-based systems.
Potential impact of CVE-2025-38087
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System Compromise: Exploiting this vulnerability may enable an attacker to execute arbitrary code with kernel privileges, leading to full system control. This can facilitate unauthorized access to sensitive data, alteration of system configurations, and the deployment of additional malware.
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Network Disruption: Given that the Taprio module is critical for real-time data transmission, a successful exploitation could disrupt network traffic management, resulting in significant delays and potential loss of data integrity.
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Increased Attack Surface: The existence of this vulnerability highlights an overarching issue in the security posture of the Linux kernel, potentially making it a target for further vulnerabilities. This can lead to an escalated risk of exploitation by malicious actors seeking to compromise systems using the Linux kernel.
Affected Version(s)
Linux fed87cc6718ad5f80aa739fee3c5979a8b09d3a6 < 8c5713ce1ced75f9e9ed5c642ea3d2ba06ead69c
Linux fed87cc6718ad5f80aa739fee3c5979a8b09d3a6 < 8a008c89e5e5c5332e4c0a33d707db9ddd529f8a
Linux fed87cc6718ad5f80aa739fee3c5979a8b09d3a6
News Articles
cve-details
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2 weeks ago
wiz.ioCVE-2025-38087CVE-2025-38087 Impact, Exploitability, and Mitigation Steps | Wiz
Understand the critical aspects of CVE-2025-38087 with a detailed vulnerability assessment, exploitation potential, affected technologies, and remediation guidance.
3 weeks ago
VulDBCVE-2025-38087CVE-2025-38087 Linux Kernel taprio_dev_notifier use after free
A vulnerability classified as critical has been found in Linux Kernel up to 6.6.94/6.12.34/6.15.3/6.16-rc2. This vulnerability is traded as CVE-2025-38087. It is recommended to upgrade the affected component.
3 weeks ago