Vulnerability · Published Jul 12, 2023 · Assigned by google_android
CVE-2023-21255
High 7.8
In plain English
A high-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 0.2% (higher than 8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.8High
Exploit odds (30 days)0.2%top 92.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In multiple functions of binder.c, there is a possible memory corruption 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.37-1 | DEBIAN-CVE-2023-21255 |
| Debian:13 | linux | 6.3.7-1 | DEBIAN-CVE-2023-21255 |
| Debian:14 | linux | 6.3.7-1 | DEBIAN-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux | 5.15.0-83.92 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux | 5.15.0-83.92 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1044.49 | USN-6350-1 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1044.49 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | 6.2.0-1011.11~22.04.1 | USN-6338-1 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | 6.2.0-1011.11~22.04.1 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1046.53 | USN-6339-3 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1046.53 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1046.53.1 | USN-6339-3 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1046.53.1 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1041.49 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1041.49 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1013.13~22.04.1 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | 6.2.0-1013.13~22.04.1 | USN-6338-2 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1041.46 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1041.46 | USN-6351-1 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1027.32 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1027.32 | USN-6351-1 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-32.32~22.04.1 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | 6.2.0-32.32~22.04.1 | USN-6338-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1037.40 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1037.40 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1039.45 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1039.45 | USN-6339-4 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1041.46 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1041.46 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-83.92 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-83.92 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1012.12~22.04.1 | USN-6338-1 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | 6.2.0-1012.12~22.04.1 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1032.32 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1032.32 | USN-6339-1 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | 6.2.0-1010.10 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra | 5.15.0-1017.17 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-nvidia-tegra-igx | 5.15.0-1004.4 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1016.16 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1042.48 | USN-6350-1 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1042.48 | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1037.40 | USN-6339-3 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1037.40 | UBUNTU-CVE-2023-21255 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-21255 |
| Ubuntu:22.04:LTS | linux-xilinx-zynqmp | 5.15.0-1025.29 | UBUNTU-CVE-2023-21255 |