CVE-2020-14381
Published: 3 December 2020
A flaw was found in the Linux kernel’s futex implementation. This flaw allows a local attacker to corrupt system memory or escalate their privileges when creating a futex on a filesystem that is about to be unmounted. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Priority
Status
Package | Release | Status |
---|---|---|
linux Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-99.100)
|
focal |
Not vulnerable
(5.4.0-24.28)
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Released
(4.4.0-179.209)
|
|
Patches: Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 |
||
linux-aws Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1066.70)
|
focal |
Not vulnerable
(5.4.0-1008.8)
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Released
(4.4.0-1107.118)
|
|
linux-aws-5.0 Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-aws-5.3 Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-aws-5.4 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.4.0-1018.18~18.04.1)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-aws-hwe Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Released
(4.15.0-1066.70~16.04.1)
|
|
linux-azure Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
focal |
Not vulnerable
(5.4.0-1009.9)
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Released
(4.15.0-1082.92~16.04.1)
|
|
linux-azure-4.15 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1082.92)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-azure-5.3 Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-azure-5.4 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.4.0-1020.20~18.04.1)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-azure-edge Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-gcp Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
focal |
Not vulnerable
(5.4.0-1008.8)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Released
(4.15.0-1061.65)
|
|
linux-gcp-4.15 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(4.15.0-1071.81)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-gcp-5.3 Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-gcp-5.4 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.4.0-1019.19~18.04.2)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-gcp-edge Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-gke-4.15 Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1058.61)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-gke-5.0 Launchpad, Ubuntu, Debian |
bionic |
Released
(5.0.0-1037.38)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-gke-5.3 Launchpad, Ubuntu, Debian |
bionic |
Released
(5.3.0-1020.22~18.04.1)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-hwe Launchpad, Ubuntu, Debian |
bionic |
Released
(5.3.0-53.47~18.04.1)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Released
(4.15.0-99.100~16.04.1)
|
|
linux-hwe-5.4 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.4.0-37.41~18.04.1)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-hwe-edge Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Ignored
(end of life, was needs-triage)
|
|
linux-kvm Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1059.60)
|
focal |
Not vulnerable
(5.4.0-1007.7)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Released
(4.4.0-1071.78)
|
|
linux-lts-trusty Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-lts-xenial Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Does not exist
|
|
trusty |
Ignored
(was needs-triage ESM criteria)
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-oem Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1080.90)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Ignored
(end of standard support, was needs-triage)
|
|
linux-oem-5.6 Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Not vulnerable
(5.6.0-1007.7)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-oem-osp1 Launchpad, Ubuntu, Debian |
bionic |
Released
(5.0.0-1052.57)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-oracle Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1038.42)
|
focal |
Not vulnerable
(5.4.0-1008.8)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Released
(4.15.0-1038.42~16.04.1)
|
|
linux-oracle-5.0 Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-oracle-5.3 Launchpad, Ubuntu, Debian |
bionic |
Ignored
(end of life, was needs-triage)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-oracle-5.4 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.4.0-1019.19~18.04.1)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-raspi Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Not vulnerable
(5.4.0-1008.8)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-raspi-5.4 Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
(5.4.0-1013.13~18.04.1)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-raspi2 Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1061.65)
|
focal |
Ignored
(end of life, was needs-triage)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Released
(4.4.0-1133.142)
|
|
linux-raspi2-5.3 Launchpad, Ubuntu, Debian |
bionic |
Released
(5.3.0-1026.28~18.04.1)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-riscv Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
focal |
Not vulnerable
(5.4.0-24.28)
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Does not exist
|
|
linux-snapdragon Launchpad, Ubuntu, Debian |
bionic |
Released
(4.15.0-1077.84)
|
focal |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Released
(5.6~rc6)
|
|
xenial |
Released
(4.4.0-1137.145)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | Low |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |