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Vulnerability · Published Jul 12, 2023 · Assigned by google_android

CVE-2023-21400

Medium 6.7

In plain English

A medium-severity security flaw in Android from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)6.7Medium
Exploit odds (30 days)0.3%top 82.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In multiple functions of io_uring.c, there is a possible kernel memory corruption due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.18.2-1DEBIAN-CVE-2023-21400
Debian:13linux5.18.2-1DEBIAN-CVE-2023-21400
Debian:14linux5.18.2-1DEBIAN-CVE-2023-21400
Ubuntu:22.04:LTSlinux5.15.0-82.91UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux5.15.0-82.91USN-6315-1
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-aws5.15.0-1043.48USN-6315-1
Ubuntu:22.04:LTSlinux-aws5.15.0-1043.48UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-azure5.15.0-1045.52USN-6332-1
Ubuntu:22.04:LTSlinux-azure5.15.0-1045.52UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1045.52.1USN-6332-1
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1045.52.1UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-gcp5.15.0-1040.48UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-gcp5.15.0-1040.48USN-6315-1
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-gke5.15.0-1040.45USN-6315-1
Ubuntu:22.04:LTSlinux-gke5.15.0-1040.45UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1026.31UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1026.31USN-6315-1
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-ibm5.15.0-1036.39UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-ibm5.15.0-1036.39USN-6315-1
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1038.43UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1038.43USN-6325-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1040.45USN-6315-1
Ubuntu:22.04:LTSlinux-kvm5.15.0-1040.45UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-82.91USN-6315-1
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-82.91UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1031.31USN-6315-1
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1031.31UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1017.17UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1004.4UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-oracle5.15.0-1041.47UBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-oracle5.15.0-1041.47USN-6315-1
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-raspi5.15.0-1036.39USN-6348-1
Ubuntu:22.04:LTSlinux-raspi5.15.0-1036.39UBUNTU-CVE-2023-21400
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2023-21400
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1025.29UBUNTU-CVE-2023-21400

Affected products (as reported)

VendorProductVersions
Google Android Android kernel

References