CVE-2020-14356

Priority
Description
A flaw null pointer dereference in the Linux kernel cgroupv2 subsystem in
versions before 5.7.10 was found in the way when reboot the system. A local
user could use this flaw to crash the system or escalate their privileges
on the system.
Ubuntu-Description
It was discovered that the cgroup v2 subsystem in the Linux kernel did not
properly perform reference counting in some situations, leading to a NULL
pointer dereference. A local attacker could use this to cause a denial of
service or possibly gain administrative privileges.
Notes
sbeattiecommit 1bfba2f4270c64c912 is in the linux-stable tree hash
Package
Source: linux (LP Ubuntu Debian)
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (4.15.0-118.119)
Ubuntu 20.04 LTS:released (5.4.0-45.49)
Ubuntu 16.04 ESM:not-affected (4.2.0-16.19)
Ubuntu 14.04 ESM:ignored (was needs-triage ESM criteria)
Patches:
Introduced by
ad0f75e5f57ccbceec13274e1e242f2b5a6397ed
Fixed by
14b032b8f8fce03a546dcf365454bec8c4a58d7d
Introduced by
bd1060a1d67128bb8fbe2e1384c518912cbe54e7
Fixed by
ad0f75e5f57ccbceec13274e1e242f2b5a6397ed
Introduced by
23ec03076333eea8882343af3f82c8ef53350e8c
Fixed by
1bfba2f4270c64c912756fc76621bbce959ddf2e
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (4.15.0-1083.87)
Ubuntu 20.04 LTS:released (5.4.0-1022.22)
Ubuntu 16.04 ESM:not-affected (4.4.0-1001.10)
Ubuntu 14.04 ESM:ignored (was needs-triage ESM criteria)
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needs-triage now end-of-life)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (5.3.0-1034.36)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (5.4.0-1022.22~18.04.1)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:DNE
Ubuntu 20.04 LTS:DNE
Ubuntu 16.04 ESM:released (4.15.0-1083.87~16.04.1)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needs-triage now end-of-life)
Ubuntu 20.04 LTS:released (5.4.0-1023.23)
Ubuntu 16.04 ESM:released (4.15.0-1096.106~16.04.1)
Ubuntu 14.04 ESM:released (4.15.0-1096.106~14.04.1)
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (4.15.0-1096.106)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needs-triage now end-of-life)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (5.4.0-1023.23~18.04.1)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needs-triage now end-of-life)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:not-affected (4.15.0-1005.8)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needs-triage now end-of-life)
Ubuntu 20.04 LTS:released (5.4.0-1022.22)
Ubuntu 16.04 ESM:released (4.15.0-1084.95~16.04.1)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (4.15.0-1084.95)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needs-triage now end-of-life)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (5.4.0-1022.22~18.04.1)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needs-triage now end-of-life)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (4.15.0-1070.73)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needed now end-of-life)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (5.3.0-1034.36)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:not-affected (5.4.0-1025.25~18.04.1)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:DNE
Ubuntu 20.04 LTS:not-affected (5.4.0-1008.9)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:not-affected (5.4.0-1001.1)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (5.3.0-66.60)
Ubuntu 20.04 LTS:DNE
Ubuntu 16.04 ESM:released (4.15.0-118.119~16.04.1)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (5.4.0-45.49~18.04.2)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:DNE
Ubuntu 20.04 LTS:not-affected (5.8.0-23.24~20.04.1)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needs-triage now end-of-life)
Ubuntu 20.04 LTS:DNE
Ubuntu 16.04 ESM:ignored (was needs-triage now end-of-life)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (4.15.0-1075.76)
Ubuntu 20.04 LTS:released (5.4.0-1021.21)
Ubuntu 16.04 ESM:not-affected (4.4.0-1004.9)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:DNE
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:DNE
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:ignored (was needs-triage ESM criteria)
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (4.15.0-1097.107)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:DNE
Ubuntu 20.04 LTS:not-affected (5.10.0-1008.9)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:DNE
Ubuntu 20.04 LTS:released (5.6.0-1021.21)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needed now end-of-life)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (4.15.0-1054.58)
Ubuntu 20.04 LTS:released (5.4.0-1022.22)
Ubuntu 16.04 ESM:released (4.15.0-1054.58~16.04.1)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needs-triage now end-of-life)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:ignored (was needs-triage now end-of-life)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (5.4.0-1022.22~18.04.1)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:DNE
Ubuntu 20.04 LTS:released (5.4.0-1016.17)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (5.4.0-1016.17~18.04.1)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (4.15.0-1071.75)
Ubuntu 20.04 LTS:ignored (was needs-triage now end-of-life)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (5.3.0-1032.34)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:DNE
Ubuntu 20.04 LTS:released (5.4.0-31.35)
Ubuntu 14.04 ESM:DNE
Patches:
Package
Upstream:released (5.8~rc5)
Ubuntu 18.04 LTS:released (4.15.0-1087.95)
Ubuntu 20.04 LTS:DNE
Ubuntu 14.04 ESM:DNE
Patches:
More Information

Updated: 2022-04-13 14:09:32 UTC (commit f411bd370d482ef4385c4e751d121a4055fbc009)