CVE-2018-7754 in Ubuntu

CVE-2018-7754

Priority

Description

The aoedisk_debugfs_show function in drivers/block/aoe/aoeblk.c in the
Linux kernel through 4.16.4rc4 allows local users to obtain sensitive
address information by reading "ffree: " lines in a debugfs file.

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-7754
https://elixir.bootlin.com/linux/v4.16-rc4/source/drivers/block/aoe/aoeblk.c#L421
https://github.com/johnsonwangqize/cve-linux/blob/master/CVE-2018-7754.md

Notes

tyhicks

Two mitigating factors for this issue are that debugfs files are
restricted to root and KASLR is only used in 18.04 and newer

Package

Source: linux (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	not-affected (3.0.0-12.20)
Ubuntu 14.04 ESM (Trusty Tahr):	ignored (was needed ESM criteria)
Ubuntu 16.04 LTS (Xenial Xerus):	needed
Ubuntu 18.04 LTS (Bionic Beaver):	not-affected (4.15.0-10.11)
Ubuntu 19.04 (Disco Dingo):	not-affected (4.18.0-10.11)
Ubuntu 19.10 (Eoan Ermine):	not-affected (5.0.0-13.14)
Ubuntu 20.04 (Focal Fossa):	not-affected

Patches:

Introduced by

2256c1c51e98d4eb2063a7f84f9ea783fda95f7f

Fixed by

ad67b74d2469d9b82aaa572d76474c95bc484d57

Package

Source: linux-aws (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	ignored (was needed ESM criteria)
Ubuntu 16.04 LTS (Xenial Xerus):	needed
Ubuntu 18.04 LTS (Bionic Beaver):	not-affected (4.15.0-1001.1)
Ubuntu 19.04 (Disco Dingo):	not-affected (4.18.0-1002.3)
Ubuntu 19.10 (Eoan Ermine):	not-affected (5.0.0-1004.4)
Ubuntu 20.04 (Focal Fossa):	not-affected

Package

Source: linux-aws-5.0 (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-aws-hwe (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	DNE
Ubuntu 16.04 LTS (Xenial Xerus):	not-affected (4.15.0-1030.31~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):	DNE
Ubuntu 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-azure (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	not-affected (4.15.0-1023.24~14.04.1)
Ubuntu 16.04 LTS (Xenial Xerus):	released (4.15.0-1013.13~16.04.2)
Ubuntu 18.04 LTS (Bionic Beaver):	not-affected (4.15.0-1002.2)
Ubuntu 19.04 (Disco Dingo):	not-affected (4.18.0-1003.3)
Ubuntu 19.10 (Eoan Ermine):	not-affected (5.0.0-1004.4)
Ubuntu 20.04 (Focal Fossa):	not-affected

Package

Source: linux-azure-5.3 (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-azure-edge (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	DNE
Ubuntu 16.04 LTS (Xenial Xerus):	released (4.15.0-1013.13~16.04.2)
Ubuntu 18.04 LTS (Bionic Beaver):	not-affected (4.15.0-1002.2)
Ubuntu 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-euclid (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-flo (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-gcp (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	DNE
Ubuntu 16.04 LTS (Xenial Xerus):	released (4.15.0-1014.14~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):	not-affected (4.15.0-1001.1)
Ubuntu 19.04 (Disco Dingo):	not-affected (4.18.0-1002.3)
Ubuntu 19.10 (Eoan Ermine):	not-affected (5.0.0-1004.4)
Ubuntu 20.04 (Focal Fossa):	not-affected

Package

Source: linux-gcp-5.3 (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-gcp-edge (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 (4.15.0-1001.1)
Ubuntu 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-gke (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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):	DNE
Ubuntu 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-gke-4.15 (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 (4.15.0-1030.32)
Ubuntu 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-gke-5.0 (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-goldfish (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-grouper (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-hwe (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	DNE
Ubuntu 16.04 LTS (Xenial Xerus):	released (4.15.0-24.26~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):	not-affected (4.18.0-13.14~18.04.1)
Ubuntu 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-hwe-edge (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	DNE
Ubuntu 16.04 LTS (Xenial Xerus):	released (4.15.0-24.26~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):	not-affected (5.0.0-15.16~18.04.1)
Ubuntu 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-kvm (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	DNE
Ubuntu 16.04 LTS (Xenial Xerus):	needed
Ubuntu 18.04 LTS (Bionic Beaver):	not-affected (4.15.0-1002.2)
Ubuntu 19.04 (Disco Dingo):	not-affected (4.18.0-1003.3)
Ubuntu 19.10 (Eoan Ermine):	not-affected (5.0.0-1004.4)
Ubuntu 20.04 (Focal Fossa):	not-affected

Package

Source: linux-lts-trusty (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	ignored (was needed ESM criteria)
Ubuntu 14.04 ESM (Trusty Tahr):	DNE
Ubuntu 16.04 LTS (Xenial Xerus):	DNE
Ubuntu 18.04 LTS (Bionic Beaver):	DNE
Ubuntu 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-lts-utopic (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-lts-vivid (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-lts-wily (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-lts-xenial (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	ignored (was needed ESM criteria)
Ubuntu 16.04 LTS (Xenial Xerus):	DNE
Ubuntu 18.04 LTS (Bionic Beaver):	DNE
Ubuntu 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-maguro (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-mako (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-manta (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-oem (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 (4.15.0-1002.3)
Ubuntu 19.04 (Disco Dingo):	not-affected (4.15.0-1021.24)
Ubuntu 19.10 (Eoan Ermine):	not-affected (4.15.0-1035.40)
Ubuntu 20.04 (Focal Fossa):	not-affected

Package

Source: linux-oem-osp1 (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	not-affected (5.0.0-1010.11)
Ubuntu 19.10 (Eoan Ermine):	not-affected (5.0.0-1010.11)
Ubuntu 20.04 (Focal Fossa):	not-affected

Package

Source: linux-oracle (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	DNE
Ubuntu 16.04 LTS (Xenial Xerus):	not-affected (4.15.0-1007.9~16.04.1)
Ubuntu 18.04 LTS (Bionic Beaver):	not-affected (4.15.0-1007.9)
Ubuntu 19.04 (Disco Dingo):	not-affected (4.15.0-1007.9)
Ubuntu 19.10 (Eoan Ermine):	not-affected (4.15.0-1011.13)
Ubuntu 20.04 (Focal Fossa):	not-affected

Package

Source: linux-oracle-5.0 (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
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 19.04 (Disco Dingo):	DNE
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

Package

Source: linux-raspi2 (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	DNE
Ubuntu 16.04 LTS (Xenial Xerus):	needed
Ubuntu 18.04 LTS (Bionic Beaver):	not-affected (4.15.0-1006.7)
Ubuntu 19.04 (Disco Dingo):	not-affected (4.18.0-1005.7)
Ubuntu 19.10 (Eoan Ermine):	not-affected (5.0.0-1006.6)
Ubuntu 20.04 (Focal Fossa):	not-affected

Package

Source: linux-snapdragon (LP Ubuntu Debian)

Upstream:	released (4.15~rc2)
Ubuntu 12.04 ESM (Precise Pangolin):	DNE
Ubuntu 14.04 ESM (Trusty Tahr):	DNE
Ubuntu 16.04 LTS (Xenial Xerus):	needed
Ubuntu 18.04 LTS (Bionic Beaver):	released (4.15.0-1053.57)
Ubuntu 19.04 (Disco Dingo):	not-affected (5.0.0-1010.10)
Ubuntu 19.10 (Eoan Ermine):	DNE
Ubuntu 20.04 (Focal Fossa):	DNE

More Information

Updated: 2019-12-05 19:57:41 UTC (commit 0aa5e7c87c8b55d2ec5c7f4ca1179cf75de91961)