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CVE-2020-25285

Published: 13 September 2020

A race condition between hugetlb sysctl handlers in mm/hugetlb.c in the Linux kernel before 5.8.8 could be used by local attackers to corrupt memory, cause a NULL pointer dereference, or possibly have unspecified other impact, aka CID-17743798d812.

From the Ubuntu security team

It was discovered that a race condition existed in the hugetlb sysctl implementation in the Linux kernel. A privileged attacker could use this to cause a denial of service (system crash).

Priority

Low

CVSS 3 base score: 6.4

Status

Package Release Status
linux-aws-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

groovy Does not exist

hirsute Does not exist

focal Not vulnerable
(5.8.0-1035.37~20.04.1)
upstream
Released (5.9~rc4)
impish Does not exist

jammy Does not exist

linux-azure-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

groovy Does not exist

hirsute Does not exist

focal Not vulnerable
(5.8.0-1033.35~20.04.1)
upstream
Released (5.9~rc4)
impish Does not exist

jammy Does not exist

linux-gcp-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

groovy Does not exist

hirsute Does not exist

focal Not vulnerable
(5.8.0-1032.34~20.04.1)
upstream
Released (5.9~rc4)
impish Does not exist

jammy Does not exist

linux-oracle-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

groovy Does not exist

hirsute Does not exist

focal Not vulnerable
(5.8.0-1031.32~20.04.2)
upstream
Released (5.9~rc4)
impish Does not exist

jammy Does not exist

linux-riscv-5.8
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

groovy Does not exist

hirsute Does not exist

focal Not vulnerable
(5.8.0-14.16~20.04.1)
upstream
Released (5.9~rc4)
impish Does not exist

jammy Does not exist

linux-hwe-5.11
Launchpad, Ubuntu, Debian
focal Not vulnerable
(5.11.0-22.23~20.04.1)
upstream
Released (5.9~rc4)
trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

linux-riscv-5.11
Launchpad, Ubuntu, Debian
focal Not vulnerable
(5.11.0-1015.16~20.04.1)
upstream
Released (5.9~rc4)
trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

impish Does not exist

jammy Does not exist

linux-oem-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable
(5.13.0-1009.10)
hirsute Does not exist

upstream
Released (5.9~rc4)
impish Does not exist

jammy Does not exist

linux-aws-5.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

impish Does not exist

focal Not vulnerable
(5.11.0-1009.9~20.04.2)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-azure-5.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

impish Does not exist

focal Not vulnerable
(5.11.0-1007.7~20.04.2)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-oracle-5.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

impish Does not exist

focal Not vulnerable
(5.11.0-1008.8~20.04.1)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-hwe
Launchpad, Ubuntu, Debian
bionic Ignored
(was needed now end-of-life)
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

focal Does not exist

groovy Does not exist

upstream
Released (5.9~rc4)
xenial
Released (4.15.0-126.129~16.04.1)
jammy Does not exist

linux-raspi2-5.3
Launchpad, Ubuntu, Debian
bionic Ignored
(was needed now end-of-life)
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

upstream
Released (5.9~rc4)
jammy Does not exist

linux-bluefield
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

focal Not vulnerable
(5.4.0-1007.10)
upstream
Released (5.9~rc4)
impish Does not exist

jammy Does not exist

linux-raspi
Launchpad, Ubuntu, Debian
groovy Not vulnerable
(5.8.0-1003.6)
hirsute Not vulnerable
(5.8.0-1008.11+21.04.1)
focal
Released (5.4.0-1021.24)
impish Not vulnerable
(5.11.0-1007.7)
precise Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

upstream
Released (5.9~rc4)
jammy Not vulnerable
(5.13.0-1008.9)
linux-hwe-5.4
Launchpad, Ubuntu, Debian
hirsute Does not exist

bionic
Released (5.4.0-51.56~18.04.1)
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

upstream
Released (5.9~rc4)
jammy Does not exist

linux-hwe-edge
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
upstream
Released (5.9~rc4)
xenial Ignored
(was needs-triage now end-of-life)
jammy Does not exist

linux-lts-trusty
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

precise Ignored
(was needs-triage ESM criteria)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-lts-xenial
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

upstream
Released (5.9~rc4)
trusty
Released (4.4.0-193.224~14.04.1)
jammy Does not exist

linux-aws-5.0
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-aws-5.3
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-aws-5.4
Launchpad, Ubuntu, Debian
hirsute Does not exist

bionic
Released (5.4.0-1028.29~18.04.1)
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

upstream
Released (5.9~rc4)
jammy Does not exist

linux-aws-hwe
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

upstream
Released (5.9~rc4)
xenial
Released (4.15.0-1088.93~16.04.1)
jammy Does not exist

linux-azure-4.15
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic
Released (4.15.0-1100.111)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-azure-5.3
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-azure-5.4
Launchpad, Ubuntu, Debian
hirsute Does not exist

bionic
Released (5.4.0-1031.32~18.04.1)
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

upstream
Released (5.9~rc4)
jammy Does not exist

linux-azure-edge
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-gcp-4.15
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic
Released (4.15.0-1088.101)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-gcp-5.3
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-gcp-5.4
Launchpad, Ubuntu, Debian
hirsute Does not exist

bionic
Released (5.4.0-1028.29~18.04.1)
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

upstream
Released (5.9~rc4)
jammy Does not exist

linux-gcp-edge
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-gke-4.15
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic
Released (4.15.0-1074.79)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-gke-5.0
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needed now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-gke-5.3
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needed now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-oracle-5.0
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-oracle-5.3
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needs-triage now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-oracle-5.4
Launchpad, Ubuntu, Debian
hirsute Does not exist

bionic
Released (5.4.0-1028.29~18.04.1)
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

upstream
Released (5.9~rc4)
jammy Does not exist

linux-oem
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

focal Does not exist

groovy Does not exist

bionic
Released (4.15.0-1103.114)
upstream
Released (5.9~rc4)
xenial Ignored
(was needs-triage now end-of-life)
jammy Does not exist

linux-oem-5.6
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

focal
Released (5.6.0-1053.57)
upstream
Released (5.9~rc4)
groovy Does not exist

jammy Does not exist

linux-oem-osp1
Launchpad, Ubuntu, Debian
hirsute Does not exist

impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

bionic Ignored
(was needed now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-raspi2
Launchpad, Ubuntu, Debian
hirsute Does not exist

xenial
Released (4.4.0-1141.151)
impish Does not exist

precise Does not exist

trusty Does not exist

groovy Does not exist

bionic
Released (4.15.0-1074.79)
focal Ignored
(was needs-triage now end-of-life)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-raspi-5.4
Launchpad, Ubuntu, Debian
hirsute Does not exist

bionic
Released (5.4.0-1021.24~18.04.1)
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

upstream
Released (5.9~rc4)
jammy Does not exist

linux-snapdragon
Launchpad, Ubuntu, Debian
hirsute Does not exist

xenial
Released (4.4.0-1145.155)
impish Does not exist

upstream
Released (5.9~rc4)
precise Does not exist

trusty Does not exist

bionic
Released (4.15.0-1091.100)
focal Does not exist

groovy Does not exist

jammy Does not exist

linux
Launchpad, Ubuntu, Debian
focal
Released (5.4.0-51.56)
xenial
Released (4.4.0-193.224)
impish Not vulnerable
(5.11.0-16.17)
bionic
Released (4.15.0-126.129)
hirsute Not vulnerable
(5.8.0-36.40+21.04.1)
precise Ignored
(was needs-triage ESM criteria)
trusty Ignored
(was needed ESM criteria)
upstream
Released (5.9~rc4)
groovy Not vulnerable
(5.8.0-19.20)
jammy Not vulnerable
(5.13.0-19.19)
linux-aws
Launchpad, Ubuntu, Debian
focal
Released (5.4.0-1028.29)
xenial
Released (4.4.0-1117.131)
impish Not vulnerable
(5.11.0-1006.6)
hirsute Not vulnerable
(5.8.0-1018.20+21.04.1)
precise Does not exist

bionic
Released (4.15.0-1088.93)
upstream
Released (5.9~rc4)
groovy Not vulnerable
(5.8.0-1006.6)
trusty
Released (4.4.0-1081.85)
jammy Not vulnerable
(5.13.0-1005.6)
linux-azure
Launchpad, Ubuntu, Debian
focal
Released (5.4.0-1031.32)
impish Not vulnerable
(5.11.0-1004.4)
hirsute Not vulnerable
(5.8.0-1016.17+21.04.1)
precise Does not exist

bionic Ignored
(was needs-triage now end-of-life)
trusty
Released (4.15.0-1100.111~14.04.1)
upstream
Released (5.9~rc4)
xenial
Released (4.15.0-1100.111~16.04.1)
groovy Not vulnerable
(5.8.0-1005.5)
jammy Not vulnerable
(5.13.0-1006.7)
linux-gcp
Launchpad, Ubuntu, Debian
focal
Released (5.4.0-1028.29)
impish Not vulnerable
(5.11.0-1006.6)
hirsute Not vulnerable
(5.8.0-1015.15+21.04.1)
precise Does not exist

trusty Does not exist

bionic Ignored
(was needs-triage now end-of-life)
upstream
Released (5.9~rc4)
xenial
Released (4.15.0-1088.101~16.04.1)
groovy Not vulnerable
(5.8.0-1003.3)
jammy Not vulnerable
(5.13.0-1005.6)
linux-kvm
Launchpad, Ubuntu, Debian
focal
Released (5.4.0-1026.27)
xenial
Released (4.4.0-1082.91)
impish Not vulnerable
(5.11.0-1006.6)
hirsute Not vulnerable
(5.8.0-1010.11+21.04.1)
precise Does not exist

trusty Does not exist

bionic
Released (4.15.0-1079.81)
upstream
Released (5.9~rc4)
groovy Not vulnerable
(5.8.0-1002.2)
jammy Not vulnerable
(5.13.0-1004.4)
linux-oracle
Launchpad, Ubuntu, Debian
focal
Released (5.4.0-1028.29)
impish Not vulnerable
(5.11.0-1005.5)
hirsute Not vulnerable
(5.8.0-1014.14+21.04.1)
precise Does not exist

trusty Does not exist

bionic
Released (4.15.0-1059.65)
upstream
Released (5.9~rc4)
xenial
Released (4.15.0-1059.65~16.04.1)
groovy Not vulnerable
(5.8.0-1002.2)
jammy Not vulnerable
(5.13.0-1008.10)
linux-riscv
Launchpad, Ubuntu, Debian
focal
Released (5.4.0-36.41)
impish Not vulnerable
(5.11.0-1007.7)
hirsute Not vulnerable
(5.8.0-10.12+21.04.1)
upstream
Released (5.9~rc4)
precise Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

groovy Not vulnerable
(5.8.0-3.3)
jammy Not vulnerable
(5.13.0-1004.4)
linux-hwe-5.8
Launchpad, Ubuntu, Debian
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

groovy Does not exist

hirsute Does not exist

focal Not vulnerable
(5.8.0-23.24~20.04.1)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-gke-5.4
Launchpad, Ubuntu, Debian
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

bionic
Released (5.4.0-1027.28~18.04.1)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-gkeop-5.4
Launchpad, Ubuntu, Debian
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

bionic
Released (5.4.0-1003.3)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-dell300x
Launchpad, Ubuntu, Debian
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

bionic
Released (4.15.0-1007.11)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-oem-5.10
Launchpad, Ubuntu, Debian
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

groovy Does not exist

hirsute Does not exist

focal Not vulnerable
(5.10.0-1008.9)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-gkeop
Launchpad, Ubuntu, Debian
impish Does not exist

precise Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

groovy Does not exist

hirsute Does not exist

focal Not vulnerable
(5.4.0-1008.9)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-gke
Launchpad, Ubuntu, Debian
impish Does not exist

precise Does not exist

trusty Does not exist

bionic Does not exist

groovy Does not exist

hirsute Does not exist

jammy Not vulnerable
(5.15.0-1002.2)
focal Not vulnerable
(5.4.0-1033.35)
upstream
Released (5.9~rc4)
xenial Ignored
(reached end of standard support)
linux-ibm
Launchpad, Ubuntu, Debian
impish Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

focal Not vulnerable
(5.4.0-1003.4)
upstream
Released (5.9~rc4)
jammy Not vulnerable
(5.15.0-1002.2)
linux-gcp-5.11
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

impish Does not exist

focal Not vulnerable
(5.11.0-1009.10~20.04.1)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-oem-5.14
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

hirsute Does not exist

impish Does not exist

focal Not vulnerable
(5.14.0-1004.4)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-intel-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Not vulnerable

hirsute Does not exist

impish Does not exist

upstream
Released (5.9~rc4)
jammy Does not exist

linux-azure-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

focal Not vulnerable
(5.13.0-1009.10~20.04.2)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-hwe-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

focal Not vulnerable
(5.13.0-21.21~20.04.1)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-aws-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

focal Not vulnerable
(5.13.0-1008.9~20.04.2)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-fips
Launchpad, Ubuntu, Debian
trusty Does not exist

bionic Does not exist

focal Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.9~rc4)
xenial Not vulnerable
(4.4.0-1073.79)
jammy Does not exist

linux-oracle-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

focal Not vulnerable
(5.13.0-1011.13~20.04.2)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-gcp-5.13
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

focal Not vulnerable
(5.13.0-1008.9~20.04.3)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-ibm-5.4
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

focal Does not exist

impish Does not exist

bionic Not vulnerable
(5.4.0-1010.11~18.04.2)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-azure-fde
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Does not exist

focal Not vulnerable
(5.4.0-1063.66+cvm2.2)
upstream
Released (5.9~rc4)
jammy Does not exist

linux-lowlatency
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

impish Does not exist

jammy Not vulnerable

upstream Needs triage

linux-oem-5.17
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic Does not exist

focal Does not exist

impish Does not exist

jammy Not vulnerable

upstream Needs triage