CVE-2024-53104 (Linux Kernel Out-of-Bounds Write)

What the vulnerability means in a Linux kernel driver

CVE-2024-53104 is an out-of-bounds write in the Linux kernel’s UVC driver path, which means malformed input can make the kernel write past a buffer boundary during USB video parsing. In kernel space, that is dangerous because memory corruption can affect stability, privilege boundaries, and, in the worst case, attacker control.

The vulnerable code sits in uvc_parse_streaming, so the issue is not a high-level application bug but a low-level parsing failure in a trusted subsystem. Bugs like this often become severe because they are triggered before normal application safeguards can intervene, and kernel bugs can have system-wide consequences rather than affecting only one process.

Why this class of flaw is dangerous

Out-of-bounds writes are among the most security-significant memory safety failures because they can corrupt adjacent kernel data, alter control flow, or crash the system. When the affected component is a driver handling externally supplied device data, the attack surface includes any environment where an attacker can influence that data path, especially on systems that accept removable hardware.

For Linux kernel memory corruption patterns, the underlying weakness is often less about one malformed field and more about unsafe trust in parsed lengths, offsets, or structure layout. The CWE Top 25 Guide is useful context here because out-of-bounds write sits in the same family of root-cause weaknesses that repeatedly turn parsing mistakes into privilege-impacting bugs.

How organisations assess exposure and exposure path

Exposure is usually determined by whether the vulnerable kernel is present on systems that can reach the affected USB video parsing path, not by whether the device is internet-facing. Teams should confirm where the Linux kernel is deployed, whether USB peripherals are permitted, and whether the environment includes systems that accept untrusted or unknown hardware.

Authoritative version and remediation details belong in the vendor advisory and the NIST National Vulnerability Database, while exploitation status is tracked in the CVE Program and CISA KEV. When a CVE is in KEV, treat it as an active exposure until inventory confirms where the kernel is running and where the relevant code path can be reached.

Remediation, detection, and post-patch review

Remediation should prioritise the vendor-fix path first, then compensating controls if patching must be delayed. If a system cannot be updated immediately, reduce exposure by limiting USB access, tightening physical access to hosts, and constraining device classes that are not operationally required.

Detection should focus on signs of abnormal kernel behaviour, crashes, or instability around device enumeration and video device handling. After patching, review for evidence of prior compromise, because memory corruption bugs can be used for more than denial of service, and successful exploitation may warrant follow-up on adjacent system integrity.

For teams managing many Linux assets, a disciplined vulnerability process matters because fast-moving kernel issues need scope, prioritisation, and verification, not just awareness. The Vulnerability Management Guide is a good companion reference for aligning asset scope, KEV prioritisation, and remediation verification.

Identity and privilege impact after exploitation

This CVE is materially relevant to privilege because the published impact is physical escalation of privilege. If exploitation is suspected, assume the attacker may have crossed from device-level interaction into kernel-level authority, which can invalidate trust in local sessions, privileged processes, and any secrets handled on the host.

That is why post-incident review should include credential, session, and key hygiene for the affected system, especially if the host handled administrative access, service credentials, or security tooling. Even when the initial flaw is not an identity bug, kernel compromise can still turn identity material on the box into a secondary target.

Risk and Threat Considerations

Out-of-bounds write bugs in kernel drivers matter because they can turn ordinary device handling into a privilege-escalation path. In practice, the main risk is that a local or physically present attacker can use the flaw to corrupt memory in a trusted execution context, which may lead to system compromise or crash conditions that are difficult to contain.

Failure mechanism: The attacker supplies crafted device data that triggers an unsafe write past the intended buffer boundary inside the kernel’s parsing logic.

Impact: Successful exploitation can undermine kernel integrity, escalate privileges, destabilise the host, and force a full trust review of the affected system.

Practitioner Guidance

Why practitioners should care: Treat this as a host-integrity and privilege issue, not just a driver bug. For KEV-listed kernel flaws, the operational question is where the vulnerable code path exists, whether physical device access is possible, and how quickly exposed systems can be verified and remediated.

What to watch for: Focus on systems with USB peripheral exposure, unusual crashes around video device enumeration, and any environment where local users or physically present actors can connect hardware directly to the host.

Related resources from NHI Mgmt Group

• CVE-2022-0995 (Linux Kernel Out-of-Bounds Write)
• CVE-2021-22555 (Linux Kernel Heap Out-of-Bounds Write)
• CVE-2024-53150 (Linux Kernel Out-of-Bounds Read)
• CVE-2024-53197 (Linux Kernel Out-of-Bounds Access)