CVE-2023-21255: Use After Free
First published: Wed Jul 05 2023(Updated: )
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.
Credit: security@android.com security@android.com security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | ||
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| Google Android | ||
| ubuntu/linux | <5.4.0-162.179 | 5.4.0-162.179 |
| ubuntu/linux | <5.15.0-83.92 | 5.15.0-83.92 |
| ubuntu/linux | <6.2.0-32.32 | 6.2.0-32.32 |
| ubuntu/linux | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-allwinner | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-allwinner-5.19 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-aws | <5.4.0-1109.118 | 5.4.0-1109.118 |
| ubuntu/linux-aws | <5.15.0-1044.49 | 5.15.0-1044.49 |
| ubuntu/linux-aws | <6.2.0-1011.11 | 6.2.0-1011.11 |
| ubuntu/linux-aws | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-aws-5.0 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-aws-5.15 | <5.15.0-1044.49~20.04.1 | 5.15.0-1044.49~20.04.1 |
| ubuntu/linux-aws-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-aws-5.19 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-aws-5.4 | <5.4.0-1109.118~18.04.1 | 5.4.0-1109.118~18.04.1 |
| ubuntu/linux-aws-5.4 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-aws-6.2 | <6.2.0-1011.11~22.04.1 | 6.2.0-1011.11~22.04.1 |
| ubuntu/linux-aws-6.2 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-aws-6.5 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-aws-fips | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-aws-hwe | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-azure | <5.4.0-1115.122 | 5.4.0-1115.122 |
| ubuntu/linux-azure | <5.15.0-1046.53 | 5.15.0-1046.53 |
| ubuntu/linux-azure | <6.2.0-1011.11 | 6.2.0-1011.11 |
| ubuntu/linux-azure | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-azure-4.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-azure-5.15 | <5.15.0-1046.53~20.04.1 | 5.15.0-1046.53~20.04.1 |
| ubuntu/linux-azure-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-azure-5.4 | <5.4.0-1115.122~18.04.1 | 5.4.0-1115.122~18.04.1 |
| ubuntu/linux-azure-5.4 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-azure-6.5 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-azure-edge | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-azure-fde | <5.15.0-1046.53.1 | 5.15.0-1046.53.1 |
| ubuntu/linux-azure-fde | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-azure-fde-5.15 | <5.15.0-1046.53~20.04.1.1 | 5.15.0-1046.53~20.04.1.1 |
| ubuntu/linux-azure-fde-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-azure-fde-5.19 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-azure-fips | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-bluefield | <5.4.0-1070.76 | 5.4.0-1070.76 |
| ubuntu/linux-bluefield | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-dell300x | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-fips | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gcp | <5.4.0-1112.121 | 5.4.0-1112.121 |
| ubuntu/linux-gcp | <5.15.0-1041.49 | 5.15.0-1041.49 |
| ubuntu/linux-gcp | <6.2.0-1013.13 | 6.2.0-1013.13 |
| ubuntu/linux-gcp | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gcp-4.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gcp-5.15 | <5.15.0-1041.49~20.04.1 | 5.15.0-1041.49~20.04.1 |
| ubuntu/linux-gcp-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gcp-5.19 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gcp-5.4 | <5.4.0-1112.121~18.04.1 | 5.4.0-1112.121~18.04.1 |
| ubuntu/linux-gcp-5.4 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gcp-6.2 | <6.2.0-1013.13~22.04.1 | 6.2.0-1013.13~22.04.1 |
| ubuntu/linux-gcp-6.5 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gcp-fips | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gke | <5.15.0-1041.46 | 5.15.0-1041.46 |
| ubuntu/linux-gke | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gke-4.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gke-5.0 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gke-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gke-5.4 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gkeop | <5.4.0-1076.80 | 5.4.0-1076.80 |
| ubuntu/linux-gkeop | <5.15.0-1027.32 | 5.15.0-1027.32 |
| ubuntu/linux-gkeop | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gkeop-5.15 | <5.15.0-1027.32~20.04.1 | 5.15.0-1027.32~20.04.1 |
| ubuntu/linux-gkeop-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-gkeop-5.4 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-hwe | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-hwe-5.15 | <5.15.0-83.92~20.04.1 | 5.15.0-83.92~20.04.1 |
| ubuntu/linux-hwe-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-hwe-5.4 | <5.4.0-162.179~18.04.1 | 5.4.0-162.179~18.04.1 |
| ubuntu/linux-hwe-5.4 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-hwe-6.2 | <6.2.0-32.32~22.04.1 | 6.2.0-32.32~22.04.1 |
| ubuntu/linux-hwe-6.2 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-hwe-6.5 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-hwe-edge | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-ibm | <5.4.0-1056.61 | 5.4.0-1056.61 |
| ubuntu/linux-ibm | <5.15.0-1037.40 | 5.15.0-1037.40 |
| ubuntu/linux-ibm | <6.2.0-1009.9 | 6.2.0-1009.9 |
| ubuntu/linux-ibm | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-ibm-5.15 | <5.15.0-1037.40~20.04.1 | 5.15.0-1037.40~20.04.1 |
| ubuntu/linux-ibm-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-ibm-5.4 | <5.4.0-1056.61~18.04.1 | 5.4.0-1056.61~18.04.1 |
| ubuntu/linux-ibm-5.4 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-intel | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-intel-5.13 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-intel-iotg | <5.15.0-1039.45 | 5.15.0-1039.45 |
| ubuntu/linux-intel-iotg | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-intel-iotg-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-iot | <5.4.0-1021.22 | 5.4.0-1021.22 |
| ubuntu/linux-iot | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-kvm | <5.4.0-1098.104 | 5.4.0-1098.104 |
| ubuntu/linux-kvm | <5.15.0-1041.46 | 5.15.0-1041.46 |
| ubuntu/linux-kvm | <6.2.0-1012.12 | 6.2.0-1012.12 |
| ubuntu/linux-kvm | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-laptop | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-lowlatency | <5.15.0-83.92 | 5.15.0-83.92 |
| ubuntu/linux-lowlatency | <6.2.0-1012.12 | 6.2.0-1012.12 |
| ubuntu/linux-lowlatency | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-lowlatency-hwe-5.15 | <5.15.0-83.92~20.04.1 | 5.15.0-83.92~20.04.1 |
| ubuntu/linux-lowlatency-hwe-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-lowlatency-hwe-5.19 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-lowlatency-hwe-6.2 | <6.2.0-1012.12~22.04.1 | 6.2.0-1012.12~22.04.1 |
| ubuntu/linux-lowlatency-hwe-6.2 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-lowlatency-hwe-6.5 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-lts-xenial | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-nvidia | <5.15.0-1032.32 | 5.15.0-1032.32 |
| ubuntu/linux-nvidia | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-nvidia-6.5 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oem | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oem-5.10 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oem-5.14 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oem-5.17 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oem-5.6 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oem-6.0 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oem-6.1 | <6.1.0-1016.16 | 6.1.0-1016.16 |
| ubuntu/linux-oem-6.1 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oem-6.5 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oem-6.8 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oem-osp1 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oracle | <5.4.0-1108.117 | 5.4.0-1108.117 |
| ubuntu/linux-oracle | <5.15.0-1042.48 | 5.15.0-1042.48 |
| ubuntu/linux-oracle | <6.2.0-1011.11 | 6.2.0-1011.11 |
| ubuntu/linux-oracle | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oracle-5.0 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oracle-5.13 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oracle-5.15 | <5.15.0-1042.48~20.04.1 | 5.15.0-1042.48~20.04.1 |
| ubuntu/linux-oracle-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oracle-5.4 | <5.4.0-1108.117~18.04.1 | 5.4.0-1108.117~18.04.1 |
| ubuntu/linux-oracle-5.4 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-oracle-6.5 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-raspi | <5.4.0-1093.104 | 5.4.0-1093.104 |
| ubuntu/linux-raspi | <5.15.0-1037.40 | 5.15.0-1037.40 |
| ubuntu/linux-raspi | <6.2.0-1012.14 | 6.2.0-1012.14 |
| ubuntu/linux-raspi | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-raspi-5.4 | <5.4.0-1093.104~18.04.1 | 5.4.0-1093.104~18.04.1 |
| ubuntu/linux-raspi-5.4 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-raspi2 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-riscv | <6.2.0-32.32.2 | 6.2.0-32.32.2 |
| ubuntu/linux-riscv | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-riscv-5.15 | <5.15.0-1040.44~20.04.3 | 5.15.0-1040.44~20.04.3 |
| ubuntu/linux-riscv-5.15 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-riscv-6.5 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-snapdragon | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-starfive | <6.2.0-1004.5 | 6.2.0-1004.5 |
| ubuntu/linux-starfive | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-starfive-5.19 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-starfive-6.5 | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| ubuntu/linux-xilinx-zynqmp | <5.4.0-1029.33 | 5.4.0-1029.33 |
| ubuntu/linux-xilinx-zynqmp | <5.15.0-1025.29 | 5.15.0-1025.29 |
| ubuntu/linux-xilinx-zynqmp | <6.4~<5.4.245<5.15.115 | 6.4~ 5.4.245 5.15.115 |
| debian/linux | 5.10.218-1 5.10.221-1 6.1.94-1 6.1.99-1 6.9.10-1 6.9.12-1 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://android.googlesource.com/kernel/common/+/1ca1130ec62d
- https://source.android.com/security/bulletin/2023-07-01
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://www.debian.org/security/2023/dsa-5480
- https://security.netapp.com/advisory/ntap-20240119-0010/
- https://launchpad.net/bugs/cve/CVE-2023-21255
- https://source.android.com/docs/security/bulletin/2023-07-01 (Advisory)
- https://git.kernel.org/linus/bdc1c5fac982845a58d28690cdb56db8c88a530d (6.4-rc4)
- https://lore.kernel.org/all/20230505203020.4101154-1-cmllamas@google.com/
- https://ubuntu.com/security/notices/USN-6338-1
- https://ubuntu.com/security/notices/USN-6339-1
- https://ubuntu.com/security/notices/USN-6340-1
- https://ubuntu.com/security/notices/USN-6344-1
- https://ubuntu.com/security/notices/USN-6349-1
- https://ubuntu.com/security/notices/USN-6350-1
- https://ubuntu.com/security/notices/USN-6351-1
- https://ubuntu.com/security/notices/USN-6338-2
- https://ubuntu.com/security/notices/USN-6339-2
- https://ubuntu.com/security/notices/USN-6340-2
- https://ubuntu.com/security/notices/USN-6357-1
- https://ubuntu.com/security/notices/USN-6339-3
- https://ubuntu.com/security/notices/USN-6339-4
- https://ubuntu.com/security/notices/USN-6397-1
- https://www.cve.org/CVERecord?id=CVE-2023-21255
- https://nvd.nist.gov/vuln/detail/CVE-2023-21255
- https://security-tracker.debian.org/tracker/CVE-2023-21255
- https://git.kernel.org/linus/32e9f56a96d8d0f23cb2aeb2a3cd18d40393e787
- https://git.kernel.org/linus/bdc1c5fac982845a58d28690cdb56db8c88a530d
- https://ubuntu.com/security/CVE-2023-21255
Parent vulnerabilities
(Appears in the following advisories)
- collector/nvd-latest
- agent/type
- agent/first-publish-date
- agent/remedy
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/author
- agent/weakness
- agent/severity
- agent/description
- collector/mitre-cve
- source/MITRE
- collector/launchpad-cve
- source/Launchpad
- agent/event
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- collector/nvd-api
- agent/references
- collector/android-source
- source/Android
- agent/last-modified-date
- collector/security-tracker-debian
- source/Debian
- agent/softwarecombine
- agent/tags
- collector/usn-cve
- source/Ubuntu
- vendor/google
- canonical/google android
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/10.0
- version/debian debian linux/11.0
- package-manager/debian
- package-manager/ubuntu