Description
In binder_inc_ref_for_node of binder.c, 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-239630375References: 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 | 5.19.11-1 | — |
| Debian 13 | linux | 5.19.11-1 | — |
| Debian 12 | linux | 5.19.11-1 | — |
| Debian 11 | linux | 5.10.149-1 | DSA-5257-1 |
| Debian 10 | linux-5.10 | 5.10.149-2~deb10u1 | DLA-3173-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux +1 | 5.15.0-57.63 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-aws | 5.15.0-1027.31 | USN-5792-2 |
| Ubuntu 22.04 LTS | linux-azure | 5.15.0-1030.37 | USN-5792-2 |
| Ubuntu 22.04 LTS | linux-azure-fde | 5.15.0-1030.37.1 | USN-5792-2 |
| Ubuntu 22.04 LTS | linux-gcp | 5.15.0-1026.33 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-gke | 5.15.0-1024.29 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-gkeop | 5.15.0-1012.16 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-ibm | 5.15.0-1022.25 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-intel-iotg | 5.15.0-1023.28 | — |
| Ubuntu 22.04 LTS | linux-kvm | 5.15.0-1025.30 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-nvidia | 5.15.0-1015.15 | — |
| Ubuntu 22.04 LTS | linux-oracle | 5.15.0-1026.32 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-raspi | 5.15.0-1022.24 | USN-5792-1 |
| Ubuntu 22.04 LTS | linux-riscv +3 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-136.153 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1093.101 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-aws-5.15 +1 | 5.15.0-1027.31~20.04.1 | USN-5792-2 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1100.106 | USN-5791-2 |
| Ubuntu 20.04 LTS | linux-azure-5.15 | 5.15.0-1030.37~20.04.1 | USN-5792-2 |
| Ubuntu 20.04 LTS | linux-azure-fde | 5.4.0-1100.106+cvm1.1 | USN-5791-3 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1054.60 | USN-5815-1 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1097.106 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-gcp-5.15 | 5.15.0-1027.34~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1091.98 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-gke-5.15 | 5.15.0-1027.32~20.04.1 | USN-5877-1 |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1061.65 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-gkeop-5.15 | 5.15.0-1012.16~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-hwe-5.15 | 5.15.0-57.63~20.04.1 | USN-5792-1 |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1041.46 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-intel-iotg-5.15 | 5.15.0-1023.28~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-iot | 5.4.0-1010.12 | — |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1083.89 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-lowlatency-hwe-5.15 | 5.15.0-58.64~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1091.100 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-oracle-5.15 | 5.15.0-1027.33~20.04.1 | — |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1078.89 | USN-5791-1 |
| Ubuntu 20.04 LTS | linux-riscv +23 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-201.212 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1147.159 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1093.102~18.04.2 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1158.173 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1100.106~18.04.1 | USN-5791-3 |
| Ubuntu 18.04 LTS | linux-dell300x | 4.15.0-1058.63 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-gcp +14 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1142.158 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1097.106~18.04.1 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-136.153~18.04.1 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1041.46~18.04.1 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1133.138 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1112.123 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1091.100~18.04.1 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1078.89~18.04.1 | USN-5791-1 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1125.133 | USN-5790-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1143.153 | USN-5790-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro Realtime 22.04 LTS | linux-realtime | 5.15.0-1029.32 | — |
| Ubuntu Pro FIPS 20.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS 18.04 LTS | linux-fips +3 | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1093.101+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1100.106+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1069.78 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1097.106+fips1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2087.93 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2067.73 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1104.115 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-gcp-fips | 4.15.0-2052.57 | — |
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | 4.15.0-1147.159~16.04.1 | USN-5790-1 |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1159.174~16.04.1 | — |
| Ubuntu Pro 16.04 LTS | linux-gcp | 4.15.0-1142.158~16.04.1 | USN-5790-1 |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-201.212~16.04.1 | USN-5790-1 |
| Ubuntu Pro 16.04 LTS | linux-oracle | 4.15.0-1112.123~16.04.1 | USN-5790-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1158.173~14.04.1 | USN-5790-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
-
0xkol/badspin ★ 301 · Mar 23, 2023
Bad Spin: Android Binder Privilege Escalation Exploit (CVE-2022-20421)
-
sandiyochristan/oo ★ 2 · Aug 29, 2025
Bad Spin: Android Binder Privilege Escalation Exploit (CVE-2022-20421)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 18
- USN-5792-1 linux, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-kvm, linux-lowlatency, linux-oracle, linux-raspi, vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5877-1 linux-gke-5.15 vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5792-2 linux-aws, linux-aws-5.15, linux-azure, linux-azure-5.15, linux-azure-fde vulnerabilities Ubuntu Security Notices (USN) · Oct 23, 2026
- USN-5791-3 linux-azure-5.4, linux-azure-fde vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-5815-1 linux-bluefield vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-5790-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-5791-1 linux, linux-aws, linux-aws-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gkeop, linux-hwe-5.4, linux-ibm, linux-ibm-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- USN-5791-2 linux-azure vulnerabilities Ubuntu Security Notices (USN) · Oct 22, 2026
- SSA-794697 SSA-794697: Vulnerabilities in the Additional GNU/Linux Subsystem of the SIMATIC S7-1500 TM MFP Before V1.1 Siemens ProductCERT · Oct 13, 2026
- DSA-5257-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3173-1 linux-5.10 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SSA-831302 SSA-831302: Vulnerabilities in the BIOS of the SIMATIC S7-1500 TM MFP before V1.3.0 Siemens ProductCERT · Apr 9, 2024
- ICSA-23-166-11 Siemens SIMATIC S7-1500 TM MFP Linux Kernel CISA ICS & IT advisories · Apr 9, 2024
- ICSA-23-166-10 Siemens SIMATIC S7-1500 TM MFP BIOS CISA ICS & IT advisories · Apr 9, 2024
- ICSA-24-074-07 Siemens SIMATIC CISA ICS & IT advisories · Mar 14, 2024
- SSA-770721 SSA-770721: Multiple Vulnerabilities in SIMATIC RF160B before V2.2 Siemens ProductCERT · Mar 12, 2024
- WID-SEC-2023-1432 Siemens SIMATIC S7: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jun 22, 2023
- WID-SEC-2022-1599 Android Patchday October 2022 BSI CERT-Bund (WID) · Feb 15, 2023