Description
In various setup methods of the USB gadget subsystem, there is a possible out of bounds write due to an incorrect flag check. 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-210292376References: 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 | 5.15.5-2 | — |
| Debian 13 | linux | 5.15.5-2 | — |
| Debian 12 | linux | 5.15.5-2 | — |
| Debian 11 | linux | 5.10.92-1 | DSA-5050-1 |
| Debian 10 | linux | 4.19.232-1 | DSA-5096-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 9 | linux | 4.9.303-1 | DLA-2940-1 |
| Debian 9 | linux-4.19 | 4.19.232-1~deb9u1 | DLA-2941-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | linux-raspi-realtime | No fix yet | — |
| Ubuntu 22.04 LTS | linux-realtime +1 | No fix yet | — |
| Ubuntu 20.04 LTS | linux | 5.4.0-100.113 | USN-5294-1 |
| Ubuntu 20.04 LTS | linux-aws | 5.4.0-1066.69 | USN-5294-2 |
| Ubuntu 20.04 LTS | linux-aws-5.13 | 5.13.0-1019.21~20.04.1 | USN-5337-1 |
| Ubuntu 20.04 LTS | linux-azure | 5.4.0-1070.73 | USN-5294-2 |
| Ubuntu 20.04 LTS | linux-azure-5.13 | 5.13.0-1021.24~20.04.1 | USN-5368-1 |
| Ubuntu 20.04 LTS | linux-azure-fde | 5.4.0-1070.73+cvm1.1 | USN-5294-2 |
| Ubuntu 20.04 LTS | linux-bluefield | 5.4.0-1028.31 | USN-5294-2 |
| Ubuntu 20.04 LTS | linux-gcp | 5.4.0-1065.69 | USN-5294-2 |
| Ubuntu 20.04 LTS | linux-gcp-5.13 | 5.13.0-1021.25~20.04.1 | USN-5337-1 |
| Ubuntu 20.04 LTS | linux-gke | 5.4.0-1063.66 | USN-5297-1 |
| Ubuntu 20.04 LTS | linux-gkeop | 5.4.0-1034.35 | USN-5294-2 |
| Ubuntu 20.04 LTS | linux-hwe-5.13 | 5.13.0-37.42~20.04.1 | USN-5337-1 |
| Ubuntu 20.04 LTS | linux-ibm | 5.4.0-1015.16 | USN-5294-2 |
| Ubuntu 20.04 LTS | linux-kvm | 5.4.0-1056.58 | USN-5294-2 |
| Ubuntu 20.04 LTS | linux-oem-5.14 | 5.14.0-1022.24 | USN-5278-1 |
| Ubuntu 20.04 LTS | linux-oracle | 5.4.0-1064.68 | USN-5294-2 |
| Ubuntu 20.04 LTS | linux-oracle-5.13 | 5.13.0-1025.30~20.04.1 | USN-5368-1 |
| Ubuntu 20.04 LTS | linux-raspi | 5.4.0-1053.60 | USN-5294-2 |
| Ubuntu 20.04 LTS | linux-riscv +17 | No fix yet | — |
| Ubuntu 18.04 LTS | linux | 4.15.0-169.177 | USN-5298-1 |
| Ubuntu 18.04 LTS | linux-aws | 4.15.0-1121.129 | USN-5298-1 |
| Ubuntu 18.04 LTS | linux-aws-5.4 | 5.4.0-1066.69~18.04.1 | USN-5294-2 |
| Ubuntu 18.04 LTS | linux-azure-4.15 | 4.15.0-1131.144 | USN-5298-1 |
| Ubuntu 18.04 LTS | linux-azure-5.4 | 5.4.0-1070.73~18.04.1 | USN-5294-2 |
| Ubuntu 18.04 LTS | linux-dell300x | 4.15.0-1035.40 | USN-5298-1 |
| Ubuntu 18.04 LTS | linux-gcp +12 | No fix yet | — |
| Ubuntu 18.04 LTS | linux-gcp-4.15 | 4.15.0-1116.130 | USN-5298-1 |
| Ubuntu 18.04 LTS | linux-gcp-5.4 | 5.4.0-1065.69~18.04.1 | USN-5294-2 |
| Ubuntu 18.04 LTS | linux-gke-5.4 | 5.4.0-1063.66~18.04.1 | USN-5297-1 |
| Ubuntu 18.04 LTS | linux-gkeop-5.4 | 5.4.0-1034.35~18.04.1 | USN-5294-2 |
| Ubuntu 18.04 LTS | linux-hwe-5.4 | 5.4.0-100.113~18.04.1 | USN-5294-2 |
| Ubuntu 18.04 LTS | linux-ibm-5.4 | 5.4.0-1015.16~18.04.1 | USN-5294-2 |
| Ubuntu 18.04 LTS | linux-kvm | 4.15.0-1107.109 | USN-5298-1 |
| Ubuntu 18.04 LTS | linux-oracle | 4.15.0-1087.95 | USN-5298-1 |
| Ubuntu 18.04 LTS | linux-oracle-5.4 | 5.4.0-1064.68~18.04.1 | USN-5294-2 |
| Ubuntu 18.04 LTS | linux-raspi-5.4 | 5.4.0-1053.60~18.04.1 | USN-5294-2 |
| Ubuntu 18.04 LTS | linux-raspi2 | 4.15.0-1103.110 | USN-5298-1 |
| Ubuntu 18.04 LTS | linux-snapdragon | 4.15.0-1120.129 | USN-5298-1 |
| Ubuntu 16.04 LTS | linux-hwe-edge | No fix yet | — |
Show 8 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 16.04 LTS | linux-fips | No fix yet | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-aws-fips | 5.4.0-1069.73+fips2 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-azure-fips | 5.4.0-1073.76+fips1 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-fips | 5.4.0-1043.49 | — |
| Ubuntu Pro FIPS-updates 20.04 LTS | linux-gcp-fips | 5.4.0-1067.71~20.04.1 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-aws-fips | 4.15.0-2061.63 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-azure-fips | 4.15.0-2043.47 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-fips | 4.15.0-1078.87 | — |
| Ubuntu Pro FIPS-updates 18.04 LTS | linux-gcp-fips | 4.15.0-2026.28 | — |
| Ubuntu Pro FIPS-updates 16.04 LTS | linux-fips | 4.4.0-1079.86 | — |
| Ubuntu Pro 16.04 LTS | linux | 4.4.0-229.263 | — |
| Ubuntu Pro 16.04 LTS | linux-aws | 4.4.0-1145.160 | — |
| Ubuntu Pro 16.04 LTS | linux-aws-hwe | 4.15.0-1120.128~16.04.1 | USN-5298-1 |
| Ubuntu Pro 16.04 LTS | linux-azure | 4.15.0-1131.144~16.04.1 | USN-5298-1 |
| Ubuntu Pro 16.04 LTS | linux-gcp | 4.15.0-1116.130~16.04.1 | USN-5298-1 |
| Ubuntu Pro 16.04 LTS | linux-hwe | 4.15.0-169.177~16.04.1 | USN-5298-1 |
| Ubuntu Pro 16.04 LTS | linux-kvm | 4.4.0-1110.120 | USN-5505-1 |
| Ubuntu Pro 16.04 LTS | linux-oracle | 4.15.0-1087.95~16.04.1 | USN-5298-1 |
| Ubuntu Pro 14.04 LTS | linux | No fix yet | — |
| Ubuntu Pro 14.04 LTS | linux-aws | 4.4.0-1109.115 | USN-5513-1 |
| Ubuntu Pro 14.04 LTS | linux-azure | 4.15.0-1131.144~14.04.1 | USN-5298-1 |
| Ubuntu Pro 14.04 LTS | linux-lts-xenial | 4.4.0-229.263~14.04.1 | USN-5505-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | kernel-64kb +7 | 5.3.18-150300.59.49.1 | SUSE-SU-2022:0370-1 |
| SLES 15 SP3 | kernel-azure +1 | 5.3.18-150300.38.40.4 | SUSE-SU-2022:0363-1 |
| SLES 15 SP3 | kernel-default-base | 5.3.18-150300.59.49.1.150300.18.31.1 | SUSE-SU-2022:0370-1 |
| SLES 15 SP3 | kernel-syms-azure | 5.3.18-150300.38.40.1 | SUSE-SU-2022:0363-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE Micro 5.1 | kernel-default | 5.3.18-150300.59.49.1 | SUSE-SU-2022:0370-1 |
| SLE Micro 5.1 | kernel-default-base | 5.3.18-150300.59.49.1.150300.18.31.1 | SUSE-SU-2022:0370-1 |
| SLE Micro 5.1 | kernel-rt | 5.3.18-150300.76.1 | SUSE-SU-2022:0543-1 |
| SLE Live Patching 15 SP3 | kernel-default | 5.3.18-150300.59.49.1 | SUSE-SU-2022:0370-1 |
| SLE Live Patching 15 SP3 | kernel-livepatch-SLE15-SP3_Update_14 | 1-150300.7.3.1 | SUSE-SU-2022:0370-1 |
| SUSE Real Time Module 15 SP3 | kernel-rt +3 | 5.3.18-150300.76.1 | SUSE-SU-2022:0543-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.3 | dtb-aarch64 +11 | 5.3.18-150300.59.49.1 | openSUSE-SU-2022:0370-1 |
| openSUSE Leap 15.3 | kernel-azure +1 | 5.3.18-150300.38.40.4 | openSUSE-SU-2022:0363-1 |
| openSUSE Leap 15.3 | kernel-default-base | 5.3.18-150300.59.49.1.150300.18.31.1 | openSUSE-SU-2022:0370-1 |
| openSUSE Leap 15.3 | kernel-syms-azure | 5.3.18-150300.38.40.1 | openSUSE-SU-2022:0363-1 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | kernel-uek +4 | 5.4.17-2136.305.5.3.el8uek | ELSA-2022-9244 |
| Oracle Linux 7 | kernel-uek-container +1 | 5.4.17-2136.305.5.3.el8 | ELSA-2022-9245 |
| Oracle Linux 7 | perf +3 | 5.4.17-2136.305.5.3.el7uek | ELSA-2022-9244 |
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 1 repository
-
szymonh/inspector-gadget ★ 14 · Dec 15, 2021
CVE-2021-39685 Description and sample exploit for Linux USB Gadget overflow vulnerability
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 21
- USN-5278-1 linux-oem-5.14 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5294-1 linux vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5298-1 linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-dell300x, linux-gcp, linux-gcp-4.15, linux-hwe, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5294-2 linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-azure-fde, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-ibm-5.4 linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5505-1 linux-lts-xenial, linux-kvm vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5513-1 linux-aws vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5368-1 linux-azure-5.13, linux-oracle-5.13 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5297-1 linux-gke, linux-gke-5.4 vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- USN-5337-1 linux, linux-aws, linux-aws-5.13, linux-gcp, linux-gcp-5.13, linux-hwe-5.13, linux-kvm, linux-oracle, linux-raspi vulnerabilities Ubuntu Security Notices (USN) · Sep 14, 2026
- DSA-5050-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-5096-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2940-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2941-1 linux-4.19 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:0543-1 Security update for the Linux RT Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0363-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0363-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0370-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0370-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2022-0112 Google Android: Mehrere Schwachstellen ermöglichen Privilegieneskalation BSI CERT-Bund (WID) · Jul 3, 2024
- ELSA-2022-9244 Important: Unbreakable Enterprise kernel security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 23, 2022
- ELSA-2022-9245 Important: Unbreakable Enterprise kernel-container security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Mar 23, 2022