CVE-2021-0342
Publication date 11 January 2021
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327.
Status
Package | Ubuntu Release | Status |
---|---|---|
linux | ||
20.04 LTS focal |
Fixed 5.4.0-45.49
|
|
18.04 LTS bionic |
Fixed 4.15.0-115.116
|
|
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Ignored | |
linux-aws | ||
20.04 LTS focal |
Fixed 5.4.0-1022.22
|
|
18.04 LTS bionic |
Fixed 4.15.0-1080.84
|
|
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Ignored | |
linux-aws-5.0 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-aws-5.3 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-aws-5.4 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 5.4.0-1022.22~18.04.1
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-aws-hwe | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial |
Fixed 4.15.0-1080.84~16.04.1
|
|
14.04 LTS trusty | Not in release | |
linux-azure | ||
20.04 LTS focal |
Fixed 5.4.0-1023.23
|
|
18.04 LTS bionic | Ignored | |
16.04 LTS xenial |
Fixed 4.15.0-1093.103~16.04.1
|
|
14.04 LTS trusty | Ignored | |
linux-azure-4.15 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 4.15.0-1093.103
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-azure-5.3 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-azure-5.4 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 5.4.0-1023.23~18.04.1
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-azure-edge | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-gcp | ||
20.04 LTS focal |
Fixed 5.4.0-1022.22
|
|
18.04 LTS bionic | Ignored | |
16.04 LTS xenial |
Fixed 4.15.0-1081.92~16.04.1
|
|
14.04 LTS trusty | Not in release | |
linux-gcp-4.15 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 4.15.0-1081.92
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-gcp-5.3 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-gcp-5.4 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 5.4.0-1022.22~18.04.1
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-gcp-edge | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-gke-4.15 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 4.15.0-1067.70
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-gke-5.0 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 5.0.0-1045.46
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-gke-5.3 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 5.3.0-1032.34~18.04.1
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-gke-5.4 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-gkeop-5.4 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-hwe | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial |
Fixed 4.15.0-115.116~16.04.1
|
|
14.04 LTS trusty | Not in release | |
linux-hwe-5.4 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 5.4.0-45.49~18.04.2
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-hwe-5.8 | ||
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-hwe-edge | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Ignored | |
14.04 LTS trusty | Not in release | |
linux-kvm | ||
20.04 LTS focal |
Fixed 5.4.0-1021.21
|
|
18.04 LTS bionic |
Fixed 4.15.0-1072.73
|
|
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Not in release | |
linux-lts-trusty | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-lts-xenial | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Ignored | |
linux-oem | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Ignored | |
14.04 LTS trusty | Not in release | |
linux-oem-5.6 | ||
20.04 LTS focal |
Fixed 5.6.0-1020.20
|
|
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-oem-osp1 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-oracle | ||
20.04 LTS focal |
Fixed 5.4.0-1022.22
|
|
18.04 LTS bionic |
Fixed 4.15.0-1051.55
|
|
16.04 LTS xenial |
Fixed 4.15.0-1051.55~16.04.1
|
|
14.04 LTS trusty | Not in release | |
linux-oracle-5.0 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-oracle-5.3 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Ignored | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-oracle-5.4 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 5.4.0-1022.22~18.04.1
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-raspi | ||
20.04 LTS focal |
Fixed 5.4.0-1016.17
|
|
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-raspi-5.4 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 5.4.0-1016.17~18.04.1
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-raspi2 | ||
20.04 LTS focal | Ignored | |
18.04 LTS bionic |
Fixed 4.15.0-1068.72
|
|
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Not in release | |
linux-raspi2-5.3 | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 5.3.0-1030.32~18.04.2
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-riscv | ||
20.04 LTS focal | Ignored | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-snapdragon | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic |
Fixed 4.15.0-1084.92
|
|
16.04 LTS xenial |
Not affected
|
|
14.04 LTS trusty | Not in release |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 6.7 · Medium |
Attack vector | Local |
Attack complexity | Low |
Privileges required | High |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |