CVE-2018-20976

Priority
Description
An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before
4.18. A use after free exists, related to xfs_fs_fill_super failure.
Ubuntu-Description
It was discovered that the XFS file system in the Linux kernel did not
properly handle mount failures in some situations. A local attacker could
possibly use this to cause a denial of service (system crash) or execute
arbitrary code.
Notes
Package
Source: linux (LP Ubuntu Debian)
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):ignored (was needs-triage ESM criteria)
Ubuntu 14.04 ESM (Trusty Tahr):ignored (was needs-triage ESM criteria)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-165.193)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-65.74)
Ubuntu 19.10 (Eoan Ermine):not-affected (5.0.0-13.14)
Ubuntu 20.04 (Focal Fossa):not-affected (5.4.0-9.12)
Patches:
Introduced by
8daaa83145ef1f0a146680618328dbbd0fa76939
Fixed by
c9fbd7bbc23dbdd73364be4d045e5d3612cf6e82
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):ignored (was needs-triage ESM criteria)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1095.106)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1051.53)
Ubuntu 19.10 (Eoan Ermine):not-affected (5.0.0-1004.4)
Ubuntu 20.04 (Focal Fossa):not-affected (5.4.0-1005.5)
Package
Upstream:released (4.18~rc1)
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):not-affected (5.0.0-1021.24~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1051.53~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):ignored (was needs-triage ESM criteria)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1060.65)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.18.0-1011.11~18.04.1)
Ubuntu 19.10 (Eoan Ermine):not-affected (5.0.0-1004.4)
Ubuntu 20.04 (Focal Fossa):not-affected (5.4.0-1006.6)
Package
Upstream:released (4.18~rc1)
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):not-affected (5.3.0-1007.8~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1060.65)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.18.0-1011.11~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1046.49)
Ubuntu 18.04 LTS (Bionic Beaver):released (5.0.0-1020.20~18.04.1)
Ubuntu 19.10 (Eoan Ermine):not-affected (5.0.0-1004.4)
Ubuntu 20.04 (Focal Fossa):not-affected (5.4.0-1005.5)
Package
Upstream:released (4.18~rc1)
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):not-affected (5.3.0-1008.9~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
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 (5.0.0-1020.20~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
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 (4.15.0-1045.48)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
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):not-affected (5.0.0-1011.11~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
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):not-affected (5.3.0-1011.12~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-65.74~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.18.0-13.14~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-65.74~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (5.0.0-15.16~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1059.66)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1047.47)
Ubuntu 19.10 (Eoan Ermine):not-affected (5.0.0-1004.4)
Ubuntu 20.04 (Focal Fossa):not-affected (5.4.0-1004.4)
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):ignored (was needs-triage ESM criteria)
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 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):ignored (was needs-triage ESM criteria)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
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 (4.15.0-1057.66)
Ubuntu 19.10 (Eoan Ermine):released (4.15.0-1057.66)
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
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 (Focal Fossa):not-affected (5.4.0-1002.4)
Package
Upstream:released (4.18~rc1)
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):not-affected (5.0.0-1010.11)
Ubuntu 19.10 (Eoan Ermine):not-affected (5.0.0-1010.11)
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1026.29~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1026.29)
Ubuntu 19.10 (Eoan Ermine):not-affected (5.3.0-1002.2)
Ubuntu 20.04 (Focal Fossa):not-affected (5.4.0-1005.5)
Package
Upstream:released (4.18~rc1)
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):not-affected (5.0.0-1007.12~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
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):not-affected (5.3.0-1011.12~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1123.132)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1048.52)
Ubuntu 19.10 (Eoan Ermine):not-affected (5.0.0-1006.6)
Ubuntu 20.04 (Focal Fossa):not-affected (5.4.0-1004.4)
Package
Upstream:released (4.18~rc1)
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):not-affected (5.3.0-1017.19~18.04.1)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
Package
Upstream:released (4.18~rc1)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1127.135)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1065.72)
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
More Information

Updated: 2020-04-26 17:14:51 UTC (commit cd240efd1eaec7cc26de23dcdc3f94b7234d8d81)