CVE-2019-3459

Published: 14 January 2019

A heap address information leak while using L2CAP_GET_CONF_OPT was discovered in the Linux kernel before 5.1-rc1.

From the Ubuntu Security Team

Shlomi Oberman, Yuli Shapiro, and Ran Menscher discovered an information leak in the Bluetooth implementation of the Linux kernel. An attacker within Bluetooth range could use this to expose sensitive information (kernel memory).

Priority

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package	Release	Status
linux Launchpad, Ubuntu, Debian	bionic	Released (4.15.0-47.50)
	cosmic	Released (4.18.0-17.18)
	disco	Not vulnerable (5.0.0-7.8)
	precise	Ignored (was needs-triage ESM criteria)
	trusty	Released (3.13.0-168.218)
	upstream	Released (5.1~rc1)
	xenial	Released (4.4.0-145.171)
	Patches: Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Fixed by 7c9cbd0b5e38a1672fcd137894ace3b042dfbf69
linux-aws Launchpad, Ubuntu, Debian	bionic	Released (4.15.0-1035.37)
	cosmic	Released (4.18.0-1012.14)
	disco	Not vulnerable (5.0.0-1001.1)
	precise	Does not exist
	trusty	Released (4.4.0-1040.43)
	upstream	Released (5.1~rc1)
	xenial	Released (4.4.0-1079.89)
linux-aws-hwe Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Released (4.15.0-1035.37~16.04.1)
linux-azure Launchpad, Ubuntu, Debian	bionic	Released (4.18.0-1014.14~18.04.1)
	cosmic	Released (4.18.0-1014.14)
	disco	Not vulnerable (5.0.0-1001.1)
	precise	Does not exist
	trusty	Released (4.15.0-1041.45~14.04.1)
	upstream	Released (5.1~rc1)
	xenial	Released (4.15.0-1041.45)
linux-azure-edge Launchpad, Ubuntu, Debian	bionic	Released (4.18.0-1014.14~18.04.1)
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Released (4.15.0-1041.45)
linux-euclid Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Ignored (was needs-triage ESM criteria)
linux-flo Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (5.1~rc1)
	xenial	Ignored (abandoned)
linux-gcp Launchpad, Ubuntu, Debian	bionic	Released (4.15.0-1029.31)
	cosmic	Released (4.18.0-1008.9)
	disco	Not vulnerable (5.0.0-1001.1)
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Released (4.15.0-1029.31~16.04.1)
linux-gcp-edge Launchpad, Ubuntu, Debian	bionic	Released (4.18.0-1008.9~18.04.1)
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Does not exist
linux-gke Launchpad, Ubuntu, Debian	bionic	Not vulnerable
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Ignored (end-of-life)
linux-goldfish Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (5.1~rc1)
	xenial	Ignored (end-of-life)
linux-grouper Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (5.1~rc1)
	xenial	Does not exist
linux-hwe Launchpad, Ubuntu, Debian	bionic	Released (4.18.0-17.18~18.04.1)
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Released (4.15.0-47.50~16.04.1)
linux-hwe-edge Launchpad, Ubuntu, Debian	bionic	Not vulnerable (5.0.0-15.16~18.04.1)
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Released (4.15.0-47.50~16.04.1)
linux-kvm Launchpad, Ubuntu, Debian	bionic	Released (4.15.0-1031.31)
	cosmic	Released (4.18.0-1009.9)
	disco	Not vulnerable (5.0.0-1001.1)
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Released (4.4.0-1043.49)
linux-lts-trusty Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Released (3.13.0-168.218~precise1)
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Does not exist
linux-lts-utopic Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist (trusty was ignored [end-of-life])
	upstream	Released (5.1~rc1)
	xenial	Does not exist
linux-lts-vivid Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist (trusty was ignored [end-of-life])
	upstream	Released (5.1~rc1)
	xenial	Does not exist
linux-lts-wily Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist (trusty was ignored [end-of-life])
	upstream	Released (5.1~rc1)
	xenial	Does not exist
linux-lts-xenial Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Released (4.4.0-144.170~14.04.1)
	upstream	Released (5.1~rc1)
	xenial	Does not exist
linux-maguro Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (5.1~rc1)
	xenial	Does not exist
linux-mako Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (5.1~rc1)
	xenial	Ignored (abandoned)
linux-manta Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	precise	Does not exist
	trusty	Does not exist (trusty was ignored [abandoned])
	upstream	Released (5.1~rc1)
	xenial	Does not exist
linux-oem Launchpad, Ubuntu, Debian	bionic	Released (4.15.0-1035.40)
	cosmic	Released (4.15.0-1035.40)
	disco	Not vulnerable (4.15.0-1035.40)
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Ignored (was needs-triage now end-of-life)
linux-oracle Launchpad, Ubuntu, Debian	bionic	Released (4.15.0-1010.12)
	cosmic	Released (4.15.0-1010.12)
	disco	Not vulnerable (4.15.0-1010.12)
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Released (4.15.0-1010.12~16.04.1)
linux-raspi2 Launchpad, Ubuntu, Debian	bionic	Released (4.15.0-1033.35)
	cosmic	Released (4.18.0-1011.13)
	disco	Not vulnerable (5.0.0-1004.4)
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Released (4.4.0-1106.114)
linux-snapdragon Launchpad, Ubuntu, Debian	bionic	Released (4.15.0-1053.57)
	cosmic	Does not exist
	disco	Not vulnerable (5.0.0-1010.10)
	precise	Does not exist
	trusty	Does not exist
	upstream	Released (5.1~rc1)
	xenial	Released (4.4.0-1110.115)

Severity score breakdown

Parameter	Value
Base score	6.5
Attack vector	Adjacent
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

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