#VU67473 Out-of-bounds read in Pixel - CVE-2022-20368

Vulnerability identifier: #VU67473

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-2022-20368

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Pixel
Mobile applications / Mobile firmware & hardware

Vendor: Google

Description

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

The vulnerability exists due to a boundary condition within the packet_recvmsg() function in Linux kernel. A local user can trigger an out-of-bounds read error and potentially escalate privileges on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Pixel: before 12L

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External links
https://source.android.com/security/bulletin/pixel/2022-08-01
https://android.googlesource.com/kernel/common/+/a0046956bf6fe

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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.