CVE-2018-5873

Published: 6 July 2018

An issue was discovered in the __ns_get_path function in fs/nsfs.c in the Linux kernel before 4.11. Due to a race condition when accessing files, a Use After Free condition can occur. This also affects all Android releases from CAF using the Linux kernel (Android for MSM, Firefox OS for MSM, QRD Android) before security patch level 2018-07-05.

Priority

Cvss 3 Severity Score

7.0

Score breakdown

Status

Package	Release	Status
linux Launchpad, Ubuntu, Debian	artful	Not vulnerable (4.11.0-10.15)
	bionic	Not vulnerable (4.13.0-16.19)
	trusty	Not vulnerable
	upstream	Released (4.11~rc8)
	xenial	Released (4.4.0-121.145)
	Patches: Introduced by e149ed2b805fefdccf7ccdfc19eca22fdd4514ac Fixed by 073c516ff73557a8f7315066856c04b50383ac34
linux-aws Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Not vulnerable (4.15.0-1001.1)
	trusty	Released (4.4.0-1017.17)
	upstream	Released (4.11~rc8)
	xenial	Released (4.4.0-1055.64)
linux-azure Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Not vulnerable (4.15.0-1002.2)
	trusty	Not vulnerable (4.15.0-1023.24~14.04.1)
	upstream	Released (4.11~rc8)
	xenial	Not vulnerable (4.11.0-1009.9)
linux-azure-edge Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Pending (4.18.0-1003.3~18.04.1)
	trusty	Does not exist
	upstream	Released (4.11~rc8)
	xenial	Not vulnerable (4.15.0-1002.2)
linux-euclid Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist
	upstream	Released (4.11~rc8)
	xenial	Ignored (was needed ESM criteria)
linux-flo Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (4.11~rc8)
	xenial	Ignored (abandoned)
linux-gcp Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Not vulnerable (4.15.0-1001.1)
	trusty	Does not exist
	upstream	Released (4.11~rc8)
	xenial	Released (4.13.0-1002.5)
linux-gke Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist
	upstream	Released (4.11~rc8)
	xenial	Ignored (end of standard support)
linux-goldfish Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (4.11~rc8)
	xenial	Ignored (end of life)
linux-grouper Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (4.11~rc8)
	xenial	Does not exist
linux-hwe Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Not vulnerable
	trusty	Does not exist
	upstream	Released (4.11~rc8)
	xenial	Released (4.13.0-26.29~16.04.2)
linux-hwe-edge Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Released (4.18.0-8.9~18.04.1)
	trusty	Does not exist
	upstream	Released (4.11~rc8)
	xenial	Released (4.13.0-26.29~16.04.2)
linux-kvm Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Not vulnerable (4.15.0-1002.2)
	trusty	Does not exist
	upstream	Released (4.11~rc8)
	xenial	Released (4.4.0-1021.26)
linux-lts-trusty Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist
	upstream	Released (4.11~rc8)
	xenial	Does not exist
linux-lts-utopic Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist (trusty was ignored [end of standard support])
	upstream	Released (4.11~rc8)
	xenial	Does not exist
linux-lts-vivid Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist (trusty was ignored [end of standard support])
	upstream	Released (4.11~rc8)
	xenial	Does not exist
linux-lts-wily Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist (trusty was ignored [end of standard support])
	upstream	Released (4.11~rc8)
	xenial	Does not exist
linux-lts-xenial Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Released (4.4.0-121.145~14.04.1)
	upstream	Released (4.11~rc8)
	xenial	Does not exist
linux-maguro Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (4.11~rc8)
	xenial	Does not exist
linux-mako Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (4.11~rc8)
	xenial	Ignored (abandoned)
linux-manta Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (4.11~rc8)
	xenial	Does not exist
linux-oem Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Not vulnerable (4.15.0-1002.3)
	trusty	Does not exist
	upstream	Released (4.11~rc8)
	xenial	Not vulnerable (4.13.0-1008.9)
linux-raspi2 Launchpad, Ubuntu, Debian	artful	Not vulnerable (4.13.0-1004.4)
	bionic	Not vulnerable (4.13.0-1005.5)
	trusty	Does not exist
	upstream	Released (4.11~rc8)
	xenial	Released (4.4.0-1087.95)
linux-snapdragon Launchpad, Ubuntu, Debian	artful	Released (4.4.0-1090.95)
	bionic	Not vulnerable
	trusty	Does not exist
	upstream	Released (4.11~rc8)
	xenial	Released (4.4.0-1090.95)

Severity score breakdown

Parameter	Value
Base score	7.0
Attack vector	Local
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References

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