On February 5, 2025, CVE-2024-53104 was published in CISA’s Known Exploited Vulnerabilities (KEV) Catalog. Whenever a new “critical” and known-exploited vulnerability is listed, many cybersecurity teams panic and start the process of finding and fixing the issue.
The question that security teams should be asking, however: Is CVE-2024-53104 truly a critical vulnerability for all Linux distributions? The short answer: Not really. It applies mostly to Android devices and physical Linux computers. Notably, though, this vulnerability requires physical access to a device, as it exploits a weakness in the video over USB logic, such as connecting a webcam to your device. Without physical access, this vulnerability is unlikely to be exploited.
What is CVE-2024-53104?
This CVE core issue is an out-of-bounds memory write vulnerability in the Linux kernel’s USB Video Class (UVC) driver.
When connecting a camera to a Linux device over USB, the UVC driver handles each passing frame and parses its frame descriptor. If this vulnerability is not fixed, the function “uvc_parse_format” fails to correctly handle frame descriptors with an unknown type, causing the code to allocate memory for such frames without them being used.
Maliciously crafted frames and an “undefined” type could be sent through the USB connection to write to memory addresses. This method could potentially lead to privilege escalation or arbitrary code execution.
How to fix CVE-2024-53104
Looking inside the diff, we can see that the while loop responsible for parsing frame descriptors added a check to see if “ftype” is not 0.
Source: Google
This caused the frame buffer to be miscalculated, leading to more memory being allocated than expected.
The vulnerable function “uvc_parse_format” is part of the uvcvideo kernel module. Security teams can check whether that module exists in their environment, and if so, it is used. This determines whether the issue is exploitable and if a fix is required.
Users can check if the module is on your machine at /lib/modules/$(uname -r)/kernel/drivers/media/usb/uvc/
On Android it’s listed under /sys/modules/uvcvideo (typically only available on a rooted Android device).
KEV Panic
CISA’s KEV Catalog is a crucial resource for identifying actively exploited vulnerabilities. When a new vulnerability is published as part of KEV, large organizations with critical infrastructure need to immediately assess whether they’re affected and what actions need to take place to mitigate risk.
The assessment process usually looks like this:
- KEV: According to KEV, we have a new vulnerability.
- Does it affect all Linux versions? Yes.
- What should we do? Patch everything.
But as stated above, not all Linux environments are at risk, as this isn’t a one-size-fits-all situation.
The Reality: This Vulnerability is Mostly an Android Issue
Despite the broad kernel version impact, CVE-2024-53104 is mostly relevant to Android devices. Here’s why:
- Exploitation method: The vulnerability requires video streaming over the UVC (USB Video Class) driver.
- On traditional Linux servers and desktops, USB peripherals are generally not a primary attack vector.
- Furthermore, it would be exploitable using custom hardware that transmits video over USB.
- Since exploiting this CVE requires physical access and custom hardware, it is very difficult to exploit and won’t affect most users.
- Google’s acknowledgment: Google explicitly highlighted this CVE in its February 2025 Android Security Bulletin, with evidence of limited and targeted exploitation.
- KEV listing correlation: The vulnerability made it onto KEV because of active exploitation, which is correlated to Google’s Android CVE highlight mentioned above.
- Minimal impact on Docker and Cloud environment: Since containers share the host kernel but rarely interact with USB devices, the impact on cloud or enterprise Linux infrastructure is negligible.
Who Should Prioritize Patching It?
Android device owners and personal and organizational Linux users should prioritize this patch. Otherwise, for general-purpose Linux servers, workstations, or cloud-based environments, this is not an urgent crisis.
For Android users, this is included in the 2025-02-05 security patch.
Mitigation and Prioritization Strategy
- Android users: Apply Google’s latest security patch immediately.
- General Linux desktops: If you use USB cameras and devices frequently, updating is a good practice, but not a high-risk emergency.
- Enterprise Linux servers: If your environment has no direct USB device interaction, this CVE has low priority.
- Cloud and containerized workloads: Almost zero relevance unless your setup involves direct kernel access with a USB device.
CVE-2024-53104 is a classic example of why context matters in vulnerability prioritization. Yes, it’s in KEV, and yes, according to Google it’s been exploited — but the scope of concern is primarily Android rather than the broader Linux ecosystem.
For CISOs, this means balancing the natural urgency of KEV alerts with an informed risk assessment. Not every KEV-listed vulnerability requires an all-hands-on-deck response — especially when the real impact is on Android-related distributions rather than enterprise Linux infrastructure.
Key Takeaway
Prioritize smartly, patch where it matters, and avoid unnecessary security firefighting.
Sources:
https://nvd.nist.gov/vuln/detail/CVE-2024-53104
https://www.cve.org/CVERecord?id=CVE-2024-53104
https://source.android.com/docs/security/bulletin/2025-02-01#kernel
https://source.android.com/docs/security/bulletin/2025-02-01#android-google-service-mitigations
https://thehackernews.com/2025/02/google-patches-47-android-security.html


