#VU86260 Use-after-free in Chrome OS - CVE-2024-25557

Vulnerability identifier: #VU86260

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-25557

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Chrome OS
Operating systems & Components / Operating system

Vendor: Google

Description

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

The vulnerability exists due to a use-after-free error in PowerVR GPU Device Side. A local application can trigger  a use-after-free error and read or write physical memory from userspace.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Chrome OS: before 121.0.6167.159, 121.0.6167.159

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External links
https://chromereleases.googleblog.com/2024/02/stable-channel-update-for-chromeos.html
https://bugs.chromium.org/p/chromium/issues/detail?id=1478971

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.