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CVE-2020-25704

Published: 2 December 2020

A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service.

From the Ubuntu security team

Kiyin (尹亮) discovered that the perf subsystem in the Linux kernel did not properly deallocate memory in some situations. A privileged attacker could use this to cause a denial of service (kernel memory exhaustion).

Priority

Medium

CVSS 3 base score: 5.5

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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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

upstream
Released (5.10~rc3)
focal
Released (5.8.0-17.19~20.04.1)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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

focal Not vulnerable
(5.11.0-1009.9~20.04.2)
hirsute Does not exist

upstream
Released (5.10~rc3)
impish Does not exist

jammy Does not exist

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

xenial Does not exist

bionic Does not exist

focal Not vulnerable
(5.11.0-1007.7~20.04.2)
hirsute Does not exist

upstream
Released (5.10~rc3)
impish Does not exist

jammy Does not exist

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

xenial Does not exist

bionic Does not exist

focal Not vulnerable
(5.11.0-1008.8~20.04.1)
hirsute Does not exist

upstream
Released (5.10~rc3)
impish Does not exist

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

upstream
Released (5.10~rc3)
focal
Released (5.4.0-1011.14)
impish Does not exist

jammy Does not exist

linux
Launchpad, Ubuntu, Debian
bionic
Released (4.15.0-135.139)
impish Not vulnerable
(5.11.0-16.17)
groovy
Released (5.8.0-44.50)
hirsute Not vulnerable
(5.10.0-14.15)
precise Ignored
(was needs-triage ESM criteria)
upstream
Released (5.10~rc3)
xenial Not vulnerable
(4.4.0-2.16)
trusty Not vulnerable
(3.11.0-12.19)
focal
Released (5.4.0-59.65)
jammy Not vulnerable
(5.13.0-19.19)
linux-hwe
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

bionic Ignored
(replaced by linux-hwe-5.4)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
xenial
Released (4.15.0-133.137~16.04.1)
jammy Does not exist

linux-hwe-5.4
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
bionic
Released (5.4.0-59.65~18.04.1)
jammy Does not exist

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

trusty Does not exist

xenial Ignored
(superseded by linux-hwe)
bionic Ignored
(superseded by linux-hwe-5.4)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

precise Ignored
(was needs-triage ESM criteria)
upstream
Released (5.10~rc3)
jammy Does not exist

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

xenial Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
trusty Not vulnerable
(4.4.0-13.29~14.04.1)
jammy Does not exist

linux-kvm
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

impish Not vulnerable
(5.11.0-1006.6)
groovy
Released (5.8.0-1019.21)
hirsute Not vulnerable
(5.8.0-1020.22+21.04.1)
upstream
Released (5.10~rc3)
xenial Not vulnerable
(4.4.0-1004.9)
focal
Released (5.4.0-1031.32)
bionic
Released (4.15.0-1084.86)
jammy Not vulnerable
(5.13.0-1004.4)
linux-aws
Launchpad, Ubuntu, Debian
precise Does not exist

impish Not vulnerable
(5.11.0-1006.6)
bionic
Released (4.15.0-1093.99)
focal
Released (5.4.0-1034.35)
groovy
Released (5.8.0-1024.26)
hirsute Not vulnerable
(5.8.0-1025.27+21.04.1)
upstream
Released (5.10~rc3)
xenial Not vulnerable
(4.4.0-1001.10)
trusty Not vulnerable
(4.4.0-1002.2)
jammy Not vulnerable
(5.13.0-1005.6)
linux-aws-5.0
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-aws-5.3)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-aws-5.4)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
bionic
Released (5.4.0-1034.35~18.04.1)
jammy Does not exist

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

trusty Does not exist

bionic Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
xenial
Released (4.15.0-1093.99~16.04.1)
jammy Does not exist

linux-azure
Launchpad, Ubuntu, Debian
precise Does not exist

bionic Ignored
(superseded by linux-azure-5.3)
impish Not vulnerable
(5.11.0-1004.4)
groovy
Released (5.8.0-1023.25)
hirsute Not vulnerable
(5.8.0-1024.26+21.04.1)
upstream
Released (5.10~rc3)
focal
Released (5.4.0-1035.36)
trusty
Released (4.15.0-1106.118~14.04.1)
xenial
Released (4.15.0-1106.118~16.04.1)
jammy Not vulnerable
(5.13.0-1006.7)
linux-azure-4.15
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

bionic
Released (4.15.0-1106.118)
upstream
Released (5.10~rc3)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-azure-5.4)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
bionic
Released (5.4.0-1035.36~18.04.1)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-azure-5.3)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
jammy Does not exist

linux-gcp
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

bionic Ignored
(superseded by linux-gcp-5.3)
impish Not vulnerable
(5.11.0-1006.6)
groovy
Released (5.8.0-1023.24)
hirsute Not vulnerable
(5.8.0-1024.25+21.04.1)
upstream
Released (5.10~rc3)
xenial
Released (4.15.0-1092.105~16.04.1)
focal
Released (5.4.0-1033.35)
jammy Not vulnerable
(5.13.0-1005.6)
linux-gcp-4.15
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
bionic
Released (4.15.0-1092.105)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-gcp-5.4)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
bionic
Released (5.4.0-1033.35~18.04.1)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-gcp-5.3)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

bionic
Released (4.15.0-1078.83)
upstream
Released (5.10~rc3)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

bionic Ignored
(was needed now end-of-life)
upstream
Released (5.10~rc3)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

bionic Ignored
(was needed now end-of-life)
upstream
Released (5.10~rc3)
jammy Does not exist

linux-oracle
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

impish Not vulnerable
(5.11.0-1005.5)
bionic
Released (4.15.0-1064.71)
groovy
Released (5.8.0-1021.22)
hirsute Not vulnerable
(5.8.0-1022.23+21.04.1)
upstream
Released (5.10~rc3)
xenial
Released (4.15.0-1064.71~16.04.1)
focal
Released (5.4.0-1034.36)
jammy Not vulnerable
(5.13.0-1008.10)
linux-oracle-5.0
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-oracle-5.3)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

bionic Ignored
(superseded by linux-oracle-5.4)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
bionic
Released (5.4.0-1034.36~18.04.1)
jammy Does not exist

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

trusty Does not exist

xenial Ignored
(superseded by linux-hwe)
focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
bionic Ignored
(was needed now end-of-life)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

bionic Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
focal
Released (5.6.0-1048.52)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

bionic Ignored
(was needs-triage now end-of-life)
upstream
Released (5.10~rc3)
jammy Does not exist

linux-raspi
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Not vulnerable
(5.11.0-1007.7)
focal
Released (5.4.0-1026.29)
upstream
Released (5.10~rc3)
groovy
Released (5.8.0-1016.19)
hirsute Not vulnerable
(5.11.0-1003.3)
jammy Not vulnerable
(5.13.0-1008.9)
linux-raspi2
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

focal Ignored
(replaced by linux-raspi)
groovy Does not exist

hirsute Does not exist

impish Does not exist

bionic
Released (4.15.0-1078.83)
upstream
Released (5.10~rc3)
xenial Not vulnerable
(4.2.0-1013.19)
jammy Does not exist

linux-raspi2-5.3
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

bionic Ignored
(was needed now end-of-life)
upstream
Released (5.10~rc3)
jammy Does not exist

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

trusty Does not exist

xenial Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

upstream
Released (5.10~rc3)
bionic
Released (5.4.0-1026.29~18.04.1)
jammy Does not exist

linux-riscv
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

xenial Does not exist

bionic Does not exist

impish Not vulnerable
(5.11.0-1007.7)
groovy
Released (5.8.0-17.19)
hirsute Not vulnerable
(5.11.0-1004.4)
upstream
Released (5.10~rc3)
focal
Released (5.4.0-40.45)
jammy Not vulnerable
(5.13.0-1004.4)
linux-snapdragon
Launchpad, Ubuntu, Debian
precise Does not exist

trusty Does not exist

focal Does not exist

groovy Does not exist

hirsute Does not exist

impish Does not exist

bionic
Released (4.15.0-1095.104)
upstream
Released (5.10~rc3)
xenial Not vulnerable
(4.4.0-1013.15)
jammy Does not exist

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

focal
Released (5.8.0-44.50~20.04.1)
groovy Does not exist

hirsute Does not exist

upstream
Released (5.10~rc3)
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

upstream
Released (5.10~rc3)
bionic
Released (5.4.0-1033.35~18.04.1)
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 (5.4.0-1008.9~18.04.1)
upstream
Released (5.10~rc3)
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

upstream
Released (5.10~rc3)
bionic
Released (4.15.0-1011.15)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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

focal Not vulnerable
(5.4.0-1003.4)
hirsute Does not exist

upstream
Released (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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 (5.10~rc3)
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