CVE-2020-12114

Priority
Description
A pivot_root race condition in fs/namespace.c in the Linux kernel 4.4.x
before 4.4.221, 4.9.x before 4.9.221, 4.14.x before 4.14.178, 4.19.x before
4.19.119, and 5.x before 5.3 allows local users to cause a denial of
service (panic) by corrupting a mountpoint reference counter.
Ubuntu-Description
Piotr Krysiuk discovered that race conditions existed in the file system
implementation in the Linux kernel. A local attacker could use this to
cause a denial of service (system crash).
Notes
Package
Source: linux (LP Ubuntu Debian)
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):ignored (was needs-triage ESM criteria)
Ubuntu 14.04 ESM (Trusty Tahr):released (3.13.0-180.231)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-184.214)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-106.107)
Ubuntu 19.10 (Eoan Ermine):released (5.3.0-59.53)
Ubuntu 20.04 LTS (Focal Fossa):released (5.4.0-37.41)
Ubuntu 20.10 (Groovy Gorilla):needed
Patches:
Introduced by
84d17192d2afd52aeba88c71ae4959a015f56a38
Fixed by
4edbe133f851c9e3a2f2a1db367e826b01e72594|local-2020-12114-fix
Introduced by
84d17192d2afd52aeba88c71ae4959a015f56a38
Fixed by
b0d3869ce9eeacbb1bbd541909beeef4126426d5
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):released (4.4.0-1073.77)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1109.120)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1073.77)
Ubuntu 19.10 (Eoan Ermine):released (5.3.0-1023.25)
Ubuntu 20.04 LTS (Focal Fossa):released (5.4.0-1015.15)
Ubuntu 20.10 (Groovy Gorilla):needed
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):ignored (was needs-triage now end-of-life)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):released (5.3.0-1023.25~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1073.77~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):released (4.15.0-1089.99~14.04.1)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1089.99~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):ignored (was needs-triage now end-of-life)
Ubuntu 19.10 (Eoan Ermine):released (5.3.0-1028.29)
Ubuntu 20.04 LTS (Focal Fossa):released (5.4.0-1016.16)
Ubuntu 20.10 (Groovy Gorilla):needed
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1089.99)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):released (5.3.0-1028.29~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):ignored (was needs-triage now end-of-life)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1077.87~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):ignored (was needs-triage now end-of-life)
Ubuntu 19.10 (Eoan Ermine):released (5.3.0-1026.28)
Ubuntu 20.04 LTS (Focal Fossa):released (5.4.0-1015.15)
Ubuntu 20.10 (Groovy Gorilla):needed
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1077.87)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):released (5.3.0-1026.28~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):ignored (was needs-triage now end-of-life)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1063.66)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):released (5.0.0-1042.43)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):released (5.3.0-1026.28~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-106.107~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (5.3.0-59.53~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):ignored (was needs-triage now end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver):ignored (was needs-triage now end-of-life)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1075.82)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1067.68)
Ubuntu 19.10 (Eoan Ermine):released (5.3.0-1023.25)
Ubuntu 20.04 LTS (Focal Fossa):released (5.4.0-1015.15)
Ubuntu 20.10 (Groovy Gorilla):needed
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):released (3.13.0-180.231~12.04.1)
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):released (4.4.0-184.214~14.04.1)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):ignored (was needs-triage now end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1087.97)
Ubuntu 19.10 (Eoan Ermine):needed
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):pending (5.6.0-1011.11)
Ubuntu 20.10 (Groovy Gorilla):needed
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):released (5.0.0-1059.64)
Ubuntu 19.10 (Eoan Ermine):needed
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1045.49~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1045.49)
Ubuntu 19.10 (Eoan Ermine):released (5.3.0-1024.26)
Ubuntu 20.04 LTS (Focal Fossa):released (5.4.0-1015.15)
Ubuntu 20.10 (Groovy Gorilla):needed
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):ignored (was needs-triage now end-of-life)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):released (5.3.0-1024.26~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):released (5.4.0-1012.12)
Ubuntu 20.10 (Groovy Gorilla):needed
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1134.143)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1063.67)
Ubuntu 19.10 (Eoan Ermine):released (5.3.0-1027.29)
Ubuntu 20.04 LTS (Focal Fossa):ignored (was needs-triage now end-of-life)
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):released (5.3.0-1027.29~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):released (5.4.0-27.31)
Ubuntu 20.10 (Groovy Gorilla):needed
Package
Upstream:released (5.7~rc4)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1138.146)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1080.87)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 LTS (Focal Fossa):DNE
Ubuntu 20.10 (Groovy Gorilla):DNE
More Information

Updated: 2020-07-06 23:14:25 UTC (commit f58d59b57c39e2bd5e6f7d5652b60f03bcbe9b19)