CVE-2020-12770
Publication date 9 May 2020
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.
From the Ubuntu Security Team
It was discovered that the SCSI generic (sg) driver in the Linux kernel did not properly handle certain error conditions correctly. A local privileged attacker could use this to cause a denial of service (system crash).
Status
Package | Ubuntu Release | Status |
---|---|---|
linux | 20.04 LTS focal |
Fixed 5.4.0-40.44
|
18.04 LTS bionic |
Fixed 4.15.0-109.110
|
|
16.04 LTS xenial |
Fixed 4.4.0-185.215
|
|
14.04 LTS trusty | Ignored | |
linux-aws | 20.04 LTS focal |
Fixed 5.4.0-1018.18
|
18.04 LTS bionic |
Fixed 4.15.0-1077.81
|
|
16.04 LTS xenial |
Fixed 4.4.0-1110.121
|
|
14.04 LTS trusty |
Fixed 4.4.0-1074.78
|
|
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 |
Fixed 5.3.0-1030.32~18.04.1
|
|
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 |
Not affected
|
|
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 4.15.0-1074.78~16.04.1
|
|
14.04 LTS trusty | Not in release | |
linux-azure | 20.04 LTS focal |
Fixed 5.4.0-1020.20
|
18.04 LTS bionic | Ignored | |
16.04 LTS xenial |
Fixed 4.15.0-1091.101~16.04.1
|
|
14.04 LTS trusty |
Fixed 4.15.0-1091.101~14.04.1
|
|
linux-azure-4.15 | 20.04 LTS focal | Not in release |
18.04 LTS bionic |
Fixed 4.15.0-1091.101
|
|
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 |
Fixed 5.3.0-1032.33~18.04.1
|
|
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 |
Not affected
|
|
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 5.4.0-1019.19
|
18.04 LTS bionic | Ignored | |
16.04 LTS xenial |
Fixed 4.15.0-1078.88~16.04.1
|
|
14.04 LTS trusty | Not in release | |
linux-gcp-4.15 | 20.04 LTS focal | Not in release |
18.04 LTS bionic |
Fixed 4.15.0-1078.88
|
|
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 |
Fixed 5.3.0-1030.32~18.04.1
|
|
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 |
Not affected
|
|
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 4.15.0-1064.67
|
|
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 5.0.0-1043.44
|
|
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 5.3.0-1030.32~18.04.1
|
|
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 |
Fixed 5.3.0-62.56~18.04.1
|
|
16.04 LTS xenial |
Fixed 4.15.0-107.108~16.04.1
|
|
14.04 LTS trusty | Not in release | |
linux-hwe-5.4 | 20.04 LTS focal | Not in release |
18.04 LTS bionic |
Fixed 5.4.0-40.44~18.04.1
|
|
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 5.4.0-1018.18
|
18.04 LTS bionic |
Fixed 4.15.0-1069.70
|
|
16.04 LTS xenial |
Fixed 4.4.0-1076.83
|
|
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 |
Fixed 4.4.0-185.215~14.04.1
|
|
linux-oem | 20.04 LTS focal | Not in release |
18.04 LTS bionic |
Fixed 4.15.0-1091.101
|
|
16.04 LTS xenial | Ignored | |
14.04 LTS trusty | Not in release | |
linux-oem-5.6 | 20.04 LTS focal |
Fixed 5.6.0-1011.11
|
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 |
Fixed 5.0.0-1063.68
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-oracle | 20.04 LTS focal |
Fixed 5.4.0-1019.19
|
18.04 LTS bionic |
Fixed 4.15.0-1048.52
|
|
16.04 LTS xenial |
Fixed 4.15.0-1046.50~16.04.1
|
|
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 |
Fixed 5.3.0-1028.30~18.04.1
|
|
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 |
Not affected
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-raspi | 20.04 LTS focal |
Fixed 5.4.0-1013.13
|
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 |
Not affected
|
|
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 4.15.0-1065.69
|
|
16.04 LTS xenial |
Fixed 4.4.0-1135.144
|
|
14.04 LTS trusty | Not in release | |
linux-raspi2-5.3 | 20.04 LTS focal | Not in release |
18.04 LTS bionic |
Fixed 5.3.0-1028.30~18.04.2
|
|
16.04 LTS xenial | Not in release | |
14.04 LTS trusty | Not in release | |
linux-riscv | 20.04 LTS focal |
Fixed 5.4.0-28.32
|
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 4.15.0-1081.88
|
|
16.04 LTS xenial |
Fixed 4.4.0-1139.147
|
|
14.04 LTS trusty | Not in release |
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Get Ubuntu ProSeverity 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 |
References
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