The walk_hugetlb_range function in mm/pagewalk.c in the Linux kernel before 4.14.2 mishandles holes in hugetlb ranges, which allows local users to obt...

原文の説明

取得元が公開している説明をそのまま載せています (多くは英語)。

The walk_hugetlb_range function in mm/pagewalk.c in the Linux kernel before 4.14.2 mishandles holes in hugetlb ranges, which allows local users to obtain sensitive information from uninitialized kernel memory via crafted use of the mincore() system call.

出典: OSV.dev (Open Source Vulnerabilities) OSV

影響パッケージ

Ubuntu:14.04:LTS linux-aws

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1016.16"}]}]

Ubuntu:14.04:LTS linux-lts-xenial

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-119.143~14.04.1"}]}]

Ubuntu:16.04:LTS linux

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-119.143"}]}]

Ubuntu:16.04:LTS linux-aws

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1054.63"}]}]

Ubuntu:16.04:LTS linux-azure

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.0-1014.17"}]}]

Ubuntu:16.04:LTS linux-gcp

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.0-1012.16"}]}]

Ubuntu:16.04:LTS linux-hwe

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.0-41.46~16.04.1"}]}]

Ubuntu:16.04:LTS linux-kvm

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1020.25"}]}]

Ubuntu:16.04:LTS linux-oem

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.13.0-1022.24"}]}]

Ubuntu:16.04:LTS linux-raspi2

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1086.94"}]}]

Ubuntu:16.04:LTS linux-snapdragon

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1088.93"}]}]

Ubuntu:Pro:FIPS-updates:16.04:LTS linux-fips

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.0-1006.6"}]}]

Ubuntu:20.04:LTS linux-azure-fde