Description
In binder_vma_close of binder.c, there is a possible use after free due to improper locking. 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-254837884References: Upstream kernel
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | Android | Android kernel | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linux | 5.19.6-1 | — |
| Debian 13 | linux | 5.19.6-1 | — |
| Debian 12 | linux | 5.19.6-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-53.59 | — |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1023.27 | — |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1023.29 | — |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1024.30.1 | — |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1022.29 | — |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1020.25 | — |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1008.12 | — |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1018.21 | — |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1018.23 | — |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1021.26 | — |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1015.15 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1022.28 | — |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1018.20 | — |
| Ubuntu 22.04 LTS | linux-riscv +3 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-139.156 | USN-5853-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1096.104 | USN-5853-1 |
| Ubuntu 20.04 LTS | linux-aws-5.15 +1 | 5.15.0-1023.27~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1103.109 | USN-5853-1 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1023.29~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-azure-fde | 5.4.0-1103.109+cvm1.1 | USN-5909-1 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1058.64 | USN-5918-1 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1100.109 | USN-5874-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1022.29~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1094.101 | USN-5875-1 |
| Ubuntu 20.04 LTS | linux-gke-5.15 | 5.15.0-1020.25~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1064.68 | USN-5853-1 |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1008.12~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-hwe-5.15 +1 | 5.15.0-53.59~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1044.49 | USN-5874-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1018.23~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1012.14 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1086.92 | USN-5853-1 |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1093.102 | USN-5853-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1022.28~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1080.91 | USN-5853-1 |
| Ubuntu 20.04 LTS | linux-riscv +23 | No fix yet | — |
| Ubuntu 20.04 LTS | linux-xilinx-zynqmp | 5.4.0-1021.25 | — |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1096.104~18.04.1 | USN-5874-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1103.109~18.04.1 | USN-5853-1 |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1100.109~18.04.1 | USN-5874-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-139.156~18.04.1 | USN-5874-1 |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1044.49~18.04.1 | USN-5874-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1093.102~18.04.1 | USN-5874-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1080.91~18.04.1 | USN-5853-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1025.28 | — |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1096.104+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1103.109+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1072.81 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1100.109+fips1 | — |
Advisories 6
- USN-5918-1 linux-bluefield vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5875-1 linux-gke vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5874-1 linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-oracle-5.4 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5853-1 linux, linux-aws, linux-azure, linux-azure-5.4, linux-gkeop, linux-kvm, linux-oracle, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5909-1 linux-azure-fde vulnerabilities Ubuntu Security Notices (USN) · Jun 3, 2026
- WID-SEC-2023-0018 Android Patchday Januar 2023 BSI CERT-Bund (WID) · Jan 3, 2023