CVE-2025-2509

Publication date 6 May 2025

Last updated 26 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
virglrenderer	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected

Notes

fabian

According to https://issuetracker.google.com/issues/385851796 vulnerable commit https://gitlab.freedesktop.org/virgl/virglrenderer/-/commit/d80b2a19d3c806fa4e4a3e163d7d7cd473f9ffe4 not present and reproducer does not trigger in plucky.

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
virglrenderer	Upstream: 642c97b

Severity score breakdown

Parameter	Value
Base score	7.8 · High
Attack vector	Local
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H