The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.
Name | Vendor | Start Version | End Version |
---|---|---|---|
Linux_kernel | Linux | * | 4.5.7 (including) |
Linux | Ubuntu | esm-infra-legacy/trusty | * |
Linux | Ubuntu | precise | * |
Linux | Ubuntu | precise/esm | * |
Linux | Ubuntu | trusty | * |
Linux | Ubuntu | trusty/esm | * |
Linux | Ubuntu | upstream | * |
Linux | Ubuntu | vivid/ubuntu-core | * |
Linux | Ubuntu | xenial | * |
Linux-armadaxp | Ubuntu | precise | * |
Linux-armadaxp | Ubuntu | upstream | * |
Linux-aws | Ubuntu | trusty | * |
Linux-aws | Ubuntu | upstream | * |
Linux-aws | Ubuntu | xenial | * |
Linux-aws-hwe | Ubuntu | upstream | * |
Linux-azure | Ubuntu | upstream | * |
Linux-azure-edge | Ubuntu | upstream | * |
Linux-euclid | Ubuntu | esm-apps/xenial | * |
Linux-euclid | Ubuntu | upstream | * |
Linux-euclid | Ubuntu | xenial | * |
Linux-flo | Ubuntu | esm-apps/xenial | * |
Linux-flo | Ubuntu | trusty | * |
Linux-flo | Ubuntu | upstream | * |
Linux-flo | Ubuntu | vivid/stable-phone-overlay | * |
Linux-flo | Ubuntu | xenial | * |
Linux-flo | Ubuntu | yakkety | * |
Linux-gcp | Ubuntu | upstream | * |
Linux-gcp-edge | Ubuntu | upstream | * |
Linux-gke | Ubuntu | upstream | * |
Linux-gke | Ubuntu | xenial | * |
Linux-goldfish | Ubuntu | esm-apps/xenial | * |
Linux-goldfish | Ubuntu | trusty | * |
Linux-goldfish | Ubuntu | upstream | * |
Linux-goldfish | Ubuntu | xenial | * |
Linux-goldfish | Ubuntu | yakkety | * |
Linux-goldfish | Ubuntu | zesty | * |
Linux-grouper | Ubuntu | trusty | * |
Linux-grouper | Ubuntu | upstream | * |
Linux-hwe | Ubuntu | upstream | * |
Linux-hwe-edge | Ubuntu | upstream | * |
Linux-kvm | Ubuntu | upstream | * |
Linux-kvm | Ubuntu | xenial | * |
Linux-linaro-omap | Ubuntu | precise | * |
Linux-linaro-omap | Ubuntu | upstream | * |
Linux-linaro-shared | Ubuntu | precise | * |
Linux-linaro-shared | Ubuntu | upstream | * |
Linux-linaro-vexpress | Ubuntu | precise | * |
Linux-linaro-vexpress | Ubuntu | upstream | * |
Linux-lts-quantal | Ubuntu | precise | * |
Linux-lts-quantal | Ubuntu | precise/esm | * |
Linux-lts-quantal | Ubuntu | upstream | * |
Linux-lts-raring | Ubuntu | precise | * |
Linux-lts-raring | Ubuntu | precise/esm | * |
Linux-lts-raring | Ubuntu | upstream | * |
Linux-lts-saucy | Ubuntu | precise | * |
Linux-lts-saucy | Ubuntu | precise/esm | * |
Linux-lts-saucy | Ubuntu | upstream | * |
Linux-lts-trusty | Ubuntu | precise | * |
Linux-lts-trusty | Ubuntu | precise/esm | * |
Linux-lts-trusty | Ubuntu | upstream | * |
Linux-lts-utopic | Ubuntu | trusty | * |
Linux-lts-utopic | Ubuntu | trusty/esm | * |
Linux-lts-utopic | Ubuntu | upstream | * |
Linux-lts-vivid | Ubuntu | trusty | * |
Linux-lts-vivid | Ubuntu | trusty/esm | * |
Linux-lts-vivid | Ubuntu | upstream | * |
Linux-lts-wily | Ubuntu | trusty | * |
Linux-lts-wily | Ubuntu | trusty/esm | * |
Linux-lts-wily | Ubuntu | upstream | * |
Linux-lts-xenial | Ubuntu | trusty | * |
Linux-lts-xenial | Ubuntu | upstream | * |
Linux-maguro | Ubuntu | trusty | * |
Linux-maguro | Ubuntu | upstream | * |
Linux-mako | Ubuntu | esm-apps/xenial | * |
Linux-mako | Ubuntu | trusty | * |
Linux-mako | Ubuntu | upstream | * |
Linux-mako | Ubuntu | vivid/stable-phone-overlay | * |
Linux-mako | Ubuntu | xenial | * |
Linux-mako | Ubuntu | yakkety | * |
Linux-manta | Ubuntu | trusty | * |
Linux-manta | Ubuntu | upstream | * |
Linux-oem | Ubuntu | upstream | * |
Linux-oracle | Ubuntu | upstream | * |
Linux-qcm-msm | Ubuntu | precise | * |
Linux-qcm-msm | Ubuntu | upstream | * |
Linux-raspi2 | Ubuntu | upstream | * |
Linux-raspi2 | Ubuntu | vivid/ubuntu-core | * |
Linux-raspi2 | Ubuntu | xenial | * |
Linux-snapdragon | Ubuntu | artful | * |
Linux-snapdragon | Ubuntu | bionic | * |
Linux-snapdragon | Ubuntu | upstream | * |
Linux-snapdragon | Ubuntu | xenial | * |
Linux-snapdragon | Ubuntu | yakkety | * |
Linux-snapdragon | Ubuntu | zesty | * |
Linux-ti-omap4 | Ubuntu | precise | * |
Linux-ti-omap4 | Ubuntu | upstream | * |