SB2025091904 - Multiple vulnerabilities in Google ChromeOS

Description

This security bulletin contains information about 11 secuirty vulnerabilities.

1) Use-after-free (CVE-ID: CVE-2025-0932)

The vulnerability allows a local application to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the Arm Mali GPU Userspace Driver. A local application can execute arbitrary code with elevated privileges. 

2) Information disclosure (CVE-ID: CVE-2024-45332)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to shared microarchitectural predictor state that influences transient execution. A local user can gain access to sensitive information.

3) Information disclosure (CVE-ID: CVE-2024-43420)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to shared microarchitectural predictor state that influences transient execution. A local user can gain access to sensitive information.

4) Information disclosure (CVE-ID: CVE-2025-20623)

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to shared microarchitectural predictor state that influences transient execution. A local user can gain access to sensitive information.

5) Use-after-free (CVE-ID: CVE-2025-38349)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within the __ep_remove() and ep_clear_and_put() functions in fs/eventpoll.c. A local user can escalate privileges on the system.

6) Type Confusion (CVE-ID: CVE-2025-10585)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Note, the vulnerability is being exploited in the wild.

7) Use-after-free (CVE-ID: CVE-2025-10501)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the WebRTC component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

8) Use-after-free (CVE-ID: CVE-2025-9864)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

9) Improperly implemented security check for standard (CVE-ID: CVE-2025-9866)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Extensions in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

10) Use-after-free (CVE-ID: CVE-2025-10200)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Serviceworker component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

11) Improperly implemented security check for standard (CVE-ID: CVE-2025-10201)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to incorrect implementation in Mojo in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.

Remediation

Install update from vendor's website.

References

• https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-chromeos_18.html