CVE-2025-2509: chrome os Out-of-bounds Read — Exploit

Description

Out-of-Bounds Read in Virglrenderer in ChromeOS 16093.57.0 allows a malicious guest VM to achieve arbitrary address access within the crosvm sandboxed process, potentially leading to VM escape via crafted vertex elements data triggering an out-of-bounds read in util_format_description.

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CVSS v3.1 Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-125 Out-of-bounds Read

Affected Products

Vendor	Product	Versions
google	chrome_os	All

References

Exploits

https://issuetracker.google.com/issues/385851796

Other References

https://issues.chromium.org/issues/b/385851796

Frequently Asked Questions

What is CVE-2025-2509? +

Out-of-Bounds Read in Virglrenderer in ChromeOS 16093.57.0 allows a malicious guest VM to achieve arbitrary address access within the crosvm sandboxed process, potentially leading to VM escape via crafted vertex elements data triggering an out-of-bounds read in util_format_description. It has a CVSS v3.1 base score of 7.8 (HIGH).

How severe is CVE-2025-2509? +

CVE-2025-2509 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-2509? +

CVE-2025-2509 affects products from google, specifically: chrome_os. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-2509? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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