Launchpad.net

CVE 2018-20784

In the Linux kernel before 4.20.2, kernel/sched/fair.c mishandles leaf cfs_rq's, which allows attackers to cause a denial of service (infinite loop in update_blocked_averages) or possibly have unspecified other impact by inducing a high load.

Related bugs and status

CVE-2018-20784 (Candidate) is related to these bugs:

Bug #1819968: Colour banding in Lenovo G50-80 laptop display (i915)

		In	Importance	Status
1819968	Colour banding in Lenovo G50-80 laptop display (i915)	linux (Ubuntu)	Undecided	Fix Released
1819968	Colour banding in Lenovo G50-80 laptop display (i915)	linux (Ubuntu Xenial)	Undecided	Fix Released
1819968	Colour banding in Lenovo G50-80 laptop display (i915)	linux (Ubuntu Eoan)	Undecided	Fix Released
1819968	Colour banding in Lenovo G50-80 laptop display (i915)	linux (Ubuntu Bionic)	Undecided	Fix Released
1819968	Colour banding in Lenovo G50-80 laptop display (i915)	linux (Ubuntu Disco)	Undecided	Fix Released

Bug #1849871: Skip frame when buffer overflow on UVC camera

		In	Importance	Status
1849871	Skip frame when buffer overflow on UVC camera	linux (Ubuntu)	Undecided	Fix Released
1849871	Skip frame when buffer overflow on UVC camera	linux (Ubuntu Bionic)	Medium	Fix Released
1849871	Skip frame when buffer overflow on UVC camera	linux (Ubuntu Xenial)	Medium	Fix Released

Bug #1850175: update ENA driver to version 2.1.0

		In	Importance	Status
1850175	update ENA driver to version 2.1.0	linux (Ubuntu)	Undecided	Fix Released
1850175	update ENA driver to version 2.1.0	linux (Ubuntu Eoan)	Medium	Fix Released
1850175	update ENA driver to version 2.1.0	linux (Ubuntu Xenial)	Medium	Fix Released
1850175	update ENA driver to version 2.1.0	linux (Ubuntu Disco)	Medium	Fix Released
1850175	update ENA driver to version 2.1.0	linux (Ubuntu Bionic)	Medium	Fix Released

Bug #1850454: Xenial update: v4.4.198 upstream stable release

Summary				In	Importance	Status
	1850454	Xenial update: v4.4.198 upstream stable release		linux (Ubuntu)	Undecided	Invalid
	1850454	Xenial update: v4.4.198 upstream stable release		linux (Ubuntu Xenial)	Medium	Fix Released

Bug #1851347: libmbim-proxy using 100% CPU on a Dell Edge Gateway 3002

		In	Importance	Status
1851347	libmbim-proxy using 100% CPU on a Dell Edge Gateway 3002	linux (Ubuntu)	Undecided	Fix Committed
1851347	libmbim-proxy using 100% CPU on a Dell Edge Gateway 3002	linux (Ubuntu Xenial)	Undecided	Fix Released
1851347	libmbim-proxy using 100% CPU on a Dell Edge Gateway 3002	HWE Next	Undecided	Fix Released

Bug #1851549: Xenial update: 4.4.199 upstream stable release

Summary				In	Importance	Status
	1851549	Xenial update: 4.4.199 upstream stable release		linux (Ubuntu)	Undecided	Invalid
	1851549	Xenial update: 4.4.199 upstream stable release		linux (Ubuntu Xenial)	Medium	Fix Released

Bug #1852110: Xenial update: 4.4.200 upstream stable release

Summary				In	Importance	Status
	1852110	Xenial update: 4.4.200 upstream stable release		linux (Ubuntu)	Undecided	Invalid
	1852110	Xenial update: 4.4.200 upstream stable release		linux (Ubuntu Xenial)	Medium	Fix Released

Bug #1852296: xenial/linux-aws: 4.4.0-1099.110 -proposed tracker

		In	Importance	Status
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	Kernel SRU Workflow	Medium	Fix Released
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	Kernel SRU Workflow automated-testing	Medium	Fix Released
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	Kernel SRU Workflow certification-testing	Medium	Invalid
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	Kernel SRU Workflow prepare-package	Medium	Fix Released
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	Kernel SRU Workflow prepare-package-meta	Medium	Fix Released
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	Kernel SRU Workflow promote-to-proposed	Medium	Fix Released
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	Kernel SRU Workflow promote-to-security	Medium	Fix Released
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	Kernel SRU Workflow promote-to-updates	Medium	Fix Released
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	Kernel SRU Workflow regression-testing	Medium	Fix Released
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	Kernel SRU Workflow security-signoff	Medium	Fix Released
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	Kernel SRU Workflow verification-testing	Medium	Fix Released
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	linux-aws (Ubuntu)	Undecided	Invalid
1852296	xenial/linux-aws: 4.4.0-1099.110 -proposed tracker	linux-aws (Ubuntu Xenial)	Medium	Fix Released

Bug #1852298: xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker

		In	Importance	Status
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	Kernel SRU Workflow	Medium	Fix Released
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	Kernel SRU Workflow automated-testing	Medium	Fix Released
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	Kernel SRU Workflow certification-testing	Medium	Invalid
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	Kernel SRU Workflow prepare-package	Medium	Fix Released
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	Kernel SRU Workflow prepare-package-meta	Medium	Fix Released
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	Kernel SRU Workflow promote-to-proposed	Medium	Fix Released
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	Kernel SRU Workflow promote-to-security	Medium	Fix Released
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	Kernel SRU Workflow promote-to-updates	Medium	Fix Released
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	Kernel SRU Workflow regression-testing	Medium	Fix Released
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	Kernel SRU Workflow security-signoff	Medium	Fix Released
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	Kernel SRU Workflow verification-testing	Medium	Fix Released
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	linux-kvm (Ubuntu)	Undecided	Invalid
1852298	xenial/linux-kvm: 4.4.0-1063.70 -proposed tracker	linux-kvm (Ubuntu Xenial)	Medium	Fix Released

Bug #1852300: xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker

		In	Importance	Status
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	Kernel SRU Workflow	Medium	Fix Released
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	Kernel SRU Workflow automated-testing	Medium	Fix Released
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	Kernel SRU Workflow certification-testing	Medium	Fix Released
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	Kernel SRU Workflow prepare-package	Medium	Fix Released
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	Kernel SRU Workflow prepare-package-meta	Medium	Fix Released
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	Kernel SRU Workflow promote-to-proposed	Medium	Fix Released
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	Kernel SRU Workflow promote-to-security	Medium	Fix Released
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	Kernel SRU Workflow promote-to-updates	Medium	Fix Released
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	Kernel SRU Workflow regression-testing	Medium	Invalid
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	Kernel SRU Workflow security-signoff	Medium	Fix Released
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	Kernel SRU Workflow verification-testing	Medium	Fix Released
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	linux-raspi2 (Ubuntu)	Undecided	Invalid
1852300	xenial/linux-raspi2: 4.4.0-1126.135 -proposed tracker	linux-raspi2 (Ubuntu Xenial)	Medium	Fix Released

Bug #1852302: xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker

		In	Importance	Status
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	Kernel SRU Workflow	Medium	Fix Released
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	Kernel SRU Workflow automated-testing	Medium	Fix Released
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	Kernel SRU Workflow certification-testing	Medium	Fix Released
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	Kernel SRU Workflow prepare-package	Medium	Fix Released
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	Kernel SRU Workflow prepare-package-meta	Medium	Fix Released
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	Kernel SRU Workflow promote-to-proposed	Medium	Fix Released
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	Kernel SRU Workflow promote-to-security	Medium	Fix Released
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	Kernel SRU Workflow promote-to-updates	Medium	Fix Released
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	Kernel SRU Workflow regression-testing	Medium	Invalid
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	Kernel SRU Workflow security-signoff	Medium	Fix Released
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	Kernel SRU Workflow verification-testing	Medium	Fix Released
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	linux-snapdragon (Ubuntu)	Undecided	Invalid
1852302	xenial/linux-snapdragon: 4.4.0-1130.138 -proposed tracker	linux-snapdragon (Ubuntu Xenial)	Medium	Fix Released

Bug #1852306: xenial/linux: 4.4.0-170.199 -proposed tracker

		In	Importance	Status
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow automated-testing	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow certification-testing	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow prepare-package	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow prepare-package-meta	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow prepare-package-signed	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow promote-to-proposed	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow promote-to-security	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow promote-to-updates	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow regression-testing	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow security-signoff	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	Kernel SRU Workflow verification-testing	Medium	Fix Released
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	linux (Ubuntu)	Undecided	Invalid
1852306	xenial/linux: 4.4.0-170.199 -proposed tracker	linux (Ubuntu Xenial)	Medium	Fix Released

See the

CVE page on Mitre.org for more details.

Launchpad.net

CVE 2018-20784

Related bugs and status

Related bugs

References