Buffer overflow in Google Android - CVE-2023-21264

Vulnerability identifier: #VU79075

CSH Severity: Low

CVSS v4: 8.5 [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]

CVE-ID: CVE-2023-21264

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to a boundary error in KVM implementation in the Android kernel. A local application can trigger memory corruption and execute arbitrary code with elevated privileged.

Google Android
Amazon Linux AMI
Ubuntu
Chrome OS
kernel
linux-image-generic (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-6.2.0-33-generic-lpae (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-6.2.0-33-generic-64k (Ubuntu package)
linux-image-6.2.0-33-generic (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-generic-lpae-hwe-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-6.2.0-1005-starfive (Ubuntu package)
linux-image-starfive (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-6.2.0-1010-ibm (Ubuntu package)
linux-image-6.2.0-1011-nvidia (Ubuntu package)
linux-image-6.2.0-1011-nvidia-64k (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-nvidia-6.2 (Ubuntu package)
linux-image-nvidia-64k-6.2 (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-6.2.0-1012-aws (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-6.2.0-1012-oracle (Ubuntu package)
linux-image-6.2.0-1012-azure (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-6.2.0-1012-azure-fde (Ubuntu package)
linux-image-azure-fde (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-6.2.0-1013-kvm (Ubuntu package)
linux-image-6.2.0-1013-lowlatency (Ubuntu package)
linux-image-6.2.0-1013-lowlatency-64k (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-6.2.0-1013-raspi (Ubuntu package)
linux-image-raspi-nolpae (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-6.2.0-1014-gcp (Ubuntu package)

Install updates from vendor's website.

Google Android - addressed in versions 11 2023-08-05, 12L 2023-08-05, 12 2023-08-05, 13 2023-08-05
kernel - update to 6.1.52-71.125
linux-image-generic (Ubuntu package) - update to 6.2.0.33.33
linux-image-generic-64k (Ubuntu package) - update to 6.2.0.33.33
linux-image-generic-lpae (Ubuntu package) - update to 6.2.0.33.33
linux-image-6.2.0-33-generic-lpae (Ubuntu package) - addressed in versions 6.2.0-33.33, 6.2.0-33.33~22.04.1
linux-image-virtual (Ubuntu package) - update to 6.2.0.33.33
linux-image-6.2.0-33-generic-64k (Ubuntu package) - addressed in versions 6.2.0-33.33+1, 6.2.0-33.33~22.04.1
linux-image-6.2.0-33-generic (Ubuntu package) - addressed in versions 6.2.0-33.33+1, 6.2.0-33.33~22.04.1
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 6.2.0.33.33~22.04.10
linux-image-generic-lpae-hwe-22.04 (Ubuntu package) - update to 6.2.0.33.33~22.04.10
linux-image-generic-hwe-22.04 (Ubuntu package) - update to 6.2.0.33.33~22.04.10
linux-image-generic-64k-hwe-22.04 (Ubuntu package) - update to 6.2.0.33.33~22.04.10
linux-image-6.2.0-1005-starfive (Ubuntu package) - update to 6.2.0-1005.6
linux-image-starfive (Ubuntu package) - update to 6.2.0.1005.8
linux-image-ibm (Ubuntu package) - update to 6.2.0.1010.10
linux-image-6.2.0-1010-ibm (Ubuntu package) - update to 6.2.0-1010.10
linux-image-6.2.0-1011-nvidia (Ubuntu package) - update to 6.2.0-1011.11
linux-image-6.2.0-1011-nvidia-64k (Ubuntu package) - update to 6.2.0-1011.11
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package) - update to 6.2.0.1011.13
linux-image-nvidia-hwe-22.04 (Ubuntu package) - update to 6.2.0.1011.13
linux-image-nvidia-6.2 (Ubuntu package) - update to 6.2.0.1011.13
linux-image-nvidia-64k-6.2 (Ubuntu package) - update to 6.2.0.1011.13
linux-image-azure (Ubuntu package) - addressed in versions 6.2.0.1012.12, 6.2.0.1012.12~22.04.1
linux-image-6.2.0-1012-aws (Ubuntu package) - addressed in versions 6.2.0-1012.12, 6.2.0-1012.12~22.04.1
linux-image-oracle (Ubuntu package) - update to 6.2.0.1012.12
linux-image-6.2.0-1012-oracle (Ubuntu package) - update to 6.2.0-1012.12
linux-image-6.2.0-1012-azure (Ubuntu package) - addressed in versions 6.2.0-1012.12, 6.2.0-1012.12~22.04.1
linux-image-aws (Ubuntu package) - addressed in versions 6.2.0.1012.12~22.04.1, 6.2.0.1012.13
linux-image-6.2.0-1012-azure-fde (Ubuntu package) - update to 6.2.0-1012.12~22.04.1.1
linux-image-azure-fde (Ubuntu package) - update to 6.2.0.1012.12~22.04.1.9
linux-image-kvm (Ubuntu package) - update to 6.2.0.1013.13
linux-image-lowlatency (Ubuntu package) - update to 6.2.0.1013.13
linux-image-lowlatency-64k (Ubuntu package) - update to 6.2.0.1013.13
linux-image-6.2.0-1013-kvm (Ubuntu package) - update to 6.2.0-1013.13
linux-image-6.2.0-1013-lowlatency (Ubuntu package) - addressed in versions 6.2.0-1013.13, 6.2.0-1013.13~22.04.1
linux-image-6.2.0-1013-lowlatency-64k (Ubuntu package) - addressed in versions 6.2.0-1013.13, 6.2.0-1013.13~22.04.1
linux-image-lowlatency-hwe-22.04 (Ubuntu package) - update to 6.2.0.1013.13~22.04.10
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package) - update to 6.2.0.1013.13~22.04.10
linux-image-6.2.0-1013-raspi (Ubuntu package) - update to 6.2.0-1013.15
linux-image-raspi-nolpae (Ubuntu package) - update to 6.2.0.1013.16
linux-image-raspi (Ubuntu package) - update to 6.2.0.1013.16
linux-image-gcp (Ubuntu package) - addressed in versions 6.2.0.1014.14, 6.2.0.1014.14~22.04.1
linux-image-6.2.0-1014-gcp (Ubuntu package) - addressed in versions 6.2.0-1014.14, 6.2.0-1014.14~22.04.1
Chrome OS - update to 116.0.5845.120

• https://source.android.com/docs/security/bulletin/2023-08-01
• https://android.googlesource.com/kernel/common/+/b35a06182451f
• https://android.googlesource.com/kernel/common/+/53625a846a7b4

• Multiple vulnerabilities in Google Android
• Multiple vulnerabilities in Google ChromeOS
• Ubuntu update for linux
• Ubuntu update for linux-nvidia-6.2
• Amazon Linux AMI update for kernel