CVE-2021-39685
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.46% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 39.6% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2022-03-16 14:04Z4 YR AGO
- Last updated
- 2024-08-04 02:13Z2 YR AGO
- Reserved
- 2021-08-23
- Assigning CNA
- google_android
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- a9690a471ec3e8a377200450ea77176dd1202cc554a6e11faf7ca2c26eb6b7f7
05 Affected products
06 References
- source.android.comhttps://source.android.com/security/bulletin/2022-03-01
07 Fixed in
Debian 12
- linux Fixed in 5.15.5-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- linux Fixed in 5.15.5-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- linux Fixed in 5.15.5-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- linux-hwe-edge No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- linux Fixed in 4.15.0-169.177
- linux-aws Fixed in 4.15.0-1121.129
- linux-aws-5.0 No fix yet
- linux-aws-5.3 No fix yet
- linux-aws-5.4 Fixed in 5.4.0-1066.69~18.04.1
- linux-azure No fix yet
- linux-azure-4.15 Fixed in 4.15.0-1131.144
- linux-azure-5.3 No fix yet
- linux-azure-5.4 Fixed in 5.4.0-1070.73~18.04.1
- linux-azure-edge No fix yet
- linux-dell300x Fixed in 4.15.0-1035.40
- linux-gcp No fix yet
- linux-gcp-4.15 Fixed in 4.15.0-1116.130
- linux-gcp-5.3 No fix yet
- linux-gcp-5.4 Fixed in 5.4.0-1065.69~18.04.1
- linux-gke-4.15 No fix yet
- linux-gke-5.4 Fixed in 5.4.0-1063.66~18.04.1
- linux-gkeop-5.4 Fixed in 5.4.0-1034.35~18.04.1
- linux-hwe No fix yet
- linux-hwe-5.4 Fixed in 5.4.0-100.113~18.04.1
- linux-hwe-edge No fix yet
- linux-ibm-5.4 Fixed in 5.4.0-1015.16~18.04.1
- linux-kvm Fixed in 4.15.0-1107.109
- linux-oem No fix yet
- linux-oracle Fixed in 4.15.0-1087.95
- linux-oracle-5.0 No fix yet
- linux-oracle-5.3 No fix yet
- linux-oracle-5.4 Fixed in 5.4.0-1064.68~18.04.1
- linux-raspi-5.4 Fixed in 5.4.0-1053.60~18.04.1
- linux-raspi2 Fixed in 4.15.0-1103.110
- linux-snapdragon Fixed in 4.15.0-1120.129
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- linux Fixed in 5.4.0-100.113
- linux-aws Fixed in 5.4.0-1066.69
- linux-aws-5.11 No fix yet
- linux-aws-5.13 Fixed in 5.13.0-1019.21~20.04.1
- linux-aws-5.8 No fix yet
- linux-azure Fixed in 5.4.0-1070.73
- linux-azure-5.11 No fix yet
- linux-azure-5.13 Fixed in 5.13.0-1021.24~20.04.1
- linux-azure-5.8 No fix yet
- linux-bluefield Fixed in 5.4.0-1028.31
- linux-gcp Fixed in 5.4.0-1065.69
- linux-gcp-5.11 No fix yet
- linux-gcp-5.13 Fixed in 5.13.0-1021.25~20.04.1
- linux-gcp-5.8 No fix yet
- linux-gke Fixed in 5.4.0-1063.66
- linux-gkeop Fixed in 5.4.0-1034.35
- linux-hwe-5.11 No fix yet
- linux-hwe-5.13 Fixed in 5.13.0-37.42~20.04.1
- linux-hwe-5.8 No fix yet
- linux-ibm Fixed in 5.4.0-1015.16
- linux-intel-5.13 No fix yet
- linux-kvm Fixed in 5.4.0-1056.58
- linux-oem-5.10 No fix yet
- linux-oem-5.13 No fix yet
- linux-oem-5.14 Fixed in 5.14.0-1022.24
- linux-oem-5.6 No fix yet
- linux-oracle Fixed in 5.4.0-1064.68
- linux-oracle-5.11 No fix yet
- linux-oracle-5.13 Fixed in 5.13.0-1025.30~20.04.1
- linux-oracle-5.8 No fix yet
- linux-raspi Fixed in 5.4.0-1053.60
- linux-raspi2 No fix yet
- linux-riscv No fix yet
- linux-riscv-5.11 No fix yet
- linux-riscv-5.8 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- linux-intel-iot-realtime No fix yet
- linux-realtime No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- linux-raspi-realtime No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- linux No fix yet
- linux-aws Fixed in 4.4.0-1109.115Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-azure Fixed in 4.15.0-1131.144~14.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-lts-xenial Fixed in 4.4.0-229.263~14.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- linux Fixed in 4.4.0-229.263Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-aws Fixed in 4.4.0-1145.160Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-aws-hwe Fixed in 4.15.0-1120.128~16.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-azure Fixed in 4.15.0-1131.144~16.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-gcp Fixed in 4.15.0-1116.130~16.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-hwe Fixed in 4.15.0-169.177~16.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-kvm Fixed in 4.4.0-1110.120Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
- linux-oracle Fixed in 4.15.0-1087.95~16.04.1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-updates 16.04 LTS
- linux-fips Fixed in 4.4.0-1079.86Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-updates 18.04 LTS
- linux-aws-fips Fixed in 4.15.0-2061.63Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-azure-fips Fixed in 4.15.0-2043.47Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-fips Fixed in 4.15.0-1078.87Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-gcp-fips Fixed in 4.15.0-2026.28Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS-updates 20.04 LTS
- linux-aws-fips Fixed in 5.4.0-1069.73+fips2Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-azure-fips Fixed in 5.4.0-1073.76+fips1Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-fips Fixed in 5.4.0-1043.49Available with Ubuntu Pro: https://ubuntu.com/pro
- linux-gcp-fips Fixed in 5.4.0-1067.71~20.04.1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS 16.04 LTS
- linux-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS 18.04 LTS
- linux-aws-fips No fix yet
- linux-azure-fips No fix yet
- linux-fips No fix yet
- linux-gcp-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro FIPS 20.04 LTS
- linux-aws-fips No fix yet
- linux-azure-fips No fix yet
- linux-fips No fix yet
- linux-gcp-fips No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.