CVE-2019-6974 (retired)

Priority
Description
In the Linux kernel before 4.20.8, kvm_ioctl_create_device in
virt/kvm/kvm_main.c mishandles reference counting because of a race
condition, leading to a use-after-free.
Ubuntu-Description
Jann Horn discovered that the KVM implementation in the Linux kernel
contained a use-after-free vulnerability. An attacker in a guest VM with
access to /dev/kvm could use this to cause a denial of service (guest VM
crash).
Package
Source: linux (LP Ubuntu Debian)
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):not-affected (3.0.0-12.20)
Ubuntu 14.04 ESM (Trusty Tahr):released (3.13.0-168.218)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-145.171)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-47.50)
Ubuntu 18.10 (Cosmic Cuttlefish):released (4.18.0-17.18)
Ubuntu 19.04 (Disco Dingo):not-affected (5.0.0-7.8)
Ubuntu 19.10 (Eoan):not-affected (5.0.0-13.14)
Patches:
Introduced by 852b6d57dc7fa378019786fa84727036e56839eaFixed by cfa39381173d5f969daf43582c95ad679189cbc9
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):released (4.4.0-1040.43)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1079.89)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1035.37)
Ubuntu 18.10 (Cosmic Cuttlefish):released (4.18.0-1012.14)
Ubuntu 19.04 (Disco Dingo):not-affected (5.0.0-1001.1)
Ubuntu 19.10 (Eoan):not-affected (5.0.0-1004.4)
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1035.37~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):released (4.15.0-1041.45~14.04.1)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1041.45)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.18.0-1014.14~18.04.1)
Ubuntu 18.10 (Cosmic Cuttlefish):released (4.18.0-1014.14)
Ubuntu 19.04 (Disco Dingo):not-affected (5.0.0-1001.1)
Ubuntu 19.10 (Eoan):not-affected (5.0.0-1004.4)
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1041.45)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.18.0-1014.14~18.04.1)
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):ignored (was needed ESM criteria)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):ignored (abandoned)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1029.31~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1029.31)
Ubuntu 18.10 (Cosmic Cuttlefish):released (4.18.0-1008.9)
Ubuntu 19.04 (Disco Dingo):not-affected (5.0.0-1001.1)
Ubuntu 19.10 (Eoan):not-affected (5.0.0-1004.4)
Package
Upstream:released (5.0~rc6)
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 (4.18.0-1008.9~18.04.1)
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):ignored (end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):ignored (end-of-life)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-47.50~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.18.0-17.18~18.04.1)
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-47.50~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (5.0.0-15.16~18.04.1)
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1043.49)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1031.31)
Ubuntu 18.10 (Cosmic Cuttlefish):released (4.18.0-1009.9)
Ubuntu 19.04 (Disco Dingo):not-affected (5.0.0-1001.1)
Ubuntu 19.10 (Eoan):not-affected (5.0.0-1004.4)
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):released (3.13.0-168.218~precise1)
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [end-of-life])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [end-of-life])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [end-of-life])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):released (4.4.0-144.170~14.04.1)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):ignored (abandoned)
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE (trusty was ignored [abandoned])
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):DNE
Ubuntu 19.10 (Eoan):DNE
Package
Upstream:released (5.0~rc6)
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 (4.15.0-1035.40)
Ubuntu 18.10 (Cosmic Cuttlefish):released (4.15.0-1035.40)
Ubuntu 19.04 (Disco Dingo):not-affected (4.15.0-1035.40)
Ubuntu 19.10 (Eoan):not-affected (4.15.0-1035.40)
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.15.0-1010.12~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1010.12)
Ubuntu 18.10 (Cosmic Cuttlefish):released (4.15.0-1010.12)
Ubuntu 19.04 (Disco Dingo):not-affected (4.15.0-1010.12)
Ubuntu 19.10 (Eoan):not-affected (4.15.0-1011.13)
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1106.114)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1033.35)
Ubuntu 18.10 (Cosmic Cuttlefish):released (4.18.0-1011.13)
Ubuntu 19.04 (Disco Dingo):not-affected (5.0.0-1004.4)
Ubuntu 19.10 (Eoan):not-affected (5.0.0-1006.6)
Package
Upstream:released (5.0~rc6)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1110.115)
Ubuntu 18.04 LTS (Bionic Beaver):released (4.15.0-1053.57)
Ubuntu 18.10 (Cosmic Cuttlefish):DNE
Ubuntu 19.04 (Disco Dingo):not-affected (5.0.0-1010.10)
Ubuntu 19.10 (Eoan):not-affected (5.0.0-1010.10)
More Information

Updated: 2019-06-03 19:15:48 UTC (commit 44f4ed606c2da48046c30d7037221a6a8a7e0e4d)