CVE-2023-20937

In several functions of the Android Linux kernel, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-257443051References: Upstream kernel
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
google_androidCNA
---
---
CVEADP
---
---
CISA-ADPADP
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 11%
VendorProductVersion
googleandroid
-
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.115-1
fixed
bookworm (security)
6.1.119-1
fixed
trixie
6.12.6-1
fixed
sid
6.12.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws-5.0
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-aws-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-aws-5.15
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-aws-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-aws-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-aws-hwe
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-azure
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
ignored
xenial
not-affected
trusty
not-affected
linux-azure-4.15
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-azure-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-azure-5.15
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-azure-5.19
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-azure-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-azure-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-azure-edge
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-azure-fde
kinetic
dne
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-azure-fde-5.15
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-azure-fde-5.19
lunar
dne
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-bluefield
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-dell300x
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-fips
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-gcp
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
ignored
xenial
not-affected
trusty
dne
linux-gcp-4.15
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-gcp-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-gcp-5.15
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-gcp-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-gke
kinetic
dne
jammy
not-affected
focal
not-affected
bionic
dne
xenial
ignored
trusty
dne
linux-gke-4.15
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-5.0
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-5.15
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-gke-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gkeop
kinetic
dne
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-gkeop-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-hwe
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
not-affected
trusty
dne
linux-hwe-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.15
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.19
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-hwe-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-hwe-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-hwe-edge
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-ibm
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-ibm-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-intel-5.13
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-intel-iotg
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-intel-iotg-5.15
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-iot
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-kvm
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-lowlatency
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-lowlatency-hwe-5.15
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
kinetic
dne
jammy
dne
focal
dne
bionic
dne
xenial
dne
trusty
not-affected
linux-oem
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
ignored
trusty
dne
linux-oem-5.10
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.13
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.14
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.17
kinetic
ignored
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.6
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.0
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-6.1
kinetic
dne
jammy
not-affected
focal
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-oracle
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-oracle-5.0
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-oracle-5.13
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-oracle-5.15
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-oracle-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-oracle-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-raspi
lunar
not-affected
kinetic
not-affected
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-raspi-5.4
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi2
kinetic
dne
jammy
dne
focal
ignored
bionic
not-affected
xenial
ignored
trusty
dne
linux-raspi2-5.3
kinetic
dne
jammy
dne
focal
dne
bionic
ignored
xenial
dne
trusty
dne
linux-riscv
lunar
not-affected
kinetic
not-affected
jammy
ignored
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.11
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.15
lunar
dne
kinetic
dne
jammy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-riscv-5.8
kinetic
dne
jammy
dne
focal
ignored
bionic
dne
xenial
dne
trusty
dne
linux-snapdragon
kinetic
dne
jammy
dne
focal
dne
bionic
not-affected
xenial
ignored
trusty
dne
linux-xilinx-zynqmp
lunar
dne
kinetic
dne
jammy
not-affected
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/171239/Android-GKI-Kernels-Contain-Broken-Non-Upstream-Speculative-Page-Faults-MM-Code.html
https://source.android.com/security/bulletin/2023-02-01
http://packetstormsecurity.com/files/171239/Android-GKI-Kernels-Contain-Broken-Non-Upstream-Speculative-Page-Faults-MM-Code.html
https://source.android.com/security/bulletin/2023-02-01