Presentations

プレゼンテーション 2025 CodeBlue 2025 - 2025年11月18日〜19日 AIで加速するエクスプロイト：DSPコプロセッサからMTE対応Pixelを侵害する 発表者：PAN Zhenpeng & Billy JHENG Bing Jhong Exynosコプロセッサと踊る：楽しみと「利益」のためにSamsungをPwnする 発表者：Muhammad Ramdhan, PAN Zhenpeng & Billy JHENG Bing Jhong HITCON 2025 - 2025年8月15日〜16日 Pixel 8をクラックする：未公開DSPを悪用してMTEをバイパスす...

slides

slides スライド集。 2025 MTEに挑む物語: カーネルMTEを有効にしたGoogle Pixelをワンショットでルート化 カンファレンス: POC 2025 2024 単純なバグだが簡単には悪用できない: Androidデバイスをワンショットでルート化 カンファレンス: Cansecwest 2024 MTEを除いてPOC 2023とほぼ同じ 2023 単純なバグだが簡単には悪用できない: Androidデバイスをワンショットでルート化 カンファレンス: POC 2023 ベンダー固有の緩和策バイパス部分は削除されています。すみません。...

CVE-2026-90094

CVE-2026-90094 affects the Linux kernel on arm64 systems, specifically in the process context-switching path for MTE (Memory Tagging Extension) store-only tag check mode. When a user opts in to store-only tag check via SCTLR_EL1.TCSO0 , that flag was not included in SCTLR_USER_MASK , meaning it w...

CVE-2026-43499-aristotle-apk build-43

Aristotle ADB Enable A minimal Android app that turns on ADB on an au/KDDI Xiaomi "aristotle" XIG04, Android 12 whose developer options can't be reached, using a temporary root obtained from CVE-2026-43499. It is a device-owner tool in the same category as KingRoot: it roots your own phone to fli...

glibc security update

2.28-251.0.4.38 - Forward port of Oracle patches Reviewed-by: Jose E. Marchesi Oracle history: May-26-2026 Cupertino Miranda - 2.28-251.0.4.37 - Forward port of Oracle patches Reviewed-by: David Faust May-7-2026 Cupertino Miranda - 2.28-251.0.4.34 - Forward port of Oracle patches Reviewed-by: Jos...

glibc security update

2.28-251.0.4.31 - Forward port of Oracle patches Reviewed-by: Jose E. Marchesi Oracle history: February-24-2026 Cupertino Miranda - 2.28-251.0.4.27 - Fixed orabug 38834066 stpcpy MTE support Reviewed-by: Jose E. Marchesi December-8-2025 Cupertino Miranda - 2.28-251.0.3.27 - Forward port of Oracle...

SUSE CVE-2025-71110

In the Linux kernel, the following vulnerability has been resolved: mm/slub: reset KASAN tag in deferfree before accessing freed memory When CONFIGSLUBTINY is enabled, kfreenolock calls kasanslabfree before deferfree. On ARM64 with MTE Memory Tagging Extension, kasanslabfree poisons the memory an...

Linux Distros Unpatched Vulnerability : CVE-2025-71110

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: mm/slub: reset KASAN tag in deferfree before accessing freed memory When CONFIGSLUBTINY is...

EUVD-2025-203634

In the Linux kernel, the following vulnerability has been resolved: arm64: mte: Do not warn if the page is already tagged in copyhighpage The arm64 copyhighpage assumes that the destination page is newly allocated and not MTE-tagged PGmtetagged unset and warns accordingly. However, following comm...

Linux Distros Unpatched Vulnerability : CVE-2025-40353

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - arm64: mte: Do not warn if the page is already tagged in copyhighpage The arm64 copyhighpage assumes that the destination page is newly allocated and not...

SUSE CVE-2022-50675

In the Linux kernel, the following vulnerability has been resolved: arm64: mte: Avoid setting PGmtetagged if no tags cleared or restored Prior to commit 69e3b846d8a7 "arm64: mte: Sync tags for pages where PTE is untagged", mtesynctags was only called for ptetagged entries those mapped with PROTMT...

CVE-2022-50675

In the Linux kernel, the following vulnerability has been resolved: arm64: mte: Avoid setting PGmtetagged if no tags cleared or restored Prior to commit 69e3b846d8a7 "arm64: mte: Sync tags for pages where PTE is untagged", mtesynctags was only called for ptetagged entries those mapped with PROTMT...

UBUNTU-CVE-2022-50675

In the Linux kernel, the following vulnerability has been resolved: arm64: mte: Avoid setting PGmtetagged if no tags cleared or restored Prior to commit 69e3b846d8a7 "arm64: mte: Sync tags for pages where PTE is untagged", mtesynctags was only called for ptetagged entries those mapped with PROTMT...

CVE-2022-50675 arm64: mte: Avoid setting PG_mte_tagged if no tags cleared or restored

In the Linux kernel, the following vulnerability has been resolved: arm64: mte: Avoid setting PGmtetagged if no tags cleared or restored Prior to commit 69e3b846d8a7 "arm64: mte: Sync tags for pages where PTE is untagged", mtesynctags was only called for ptetagged entries those mapped with PROTMT...

PT-2025-49706

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to Memory Tagging Extension MTE. Specifically, the issue involves incorrectly setting the PG mte tagged bit for pages that were not properly...

Linux Distros Unpatched Vulnerability : CVE-2022-50675

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - arm64: mte: Avoid setting PGmtetagged if no tags cleared or restored Prior to commit 69e3b846d8a7 arm64: mte: Sync tags for pages where PTE is untagged,...

glibc bug fix update

2.28-251.0.3.25 - Forward port of Oracle patches Reviewed-by: Jose E. Marchesi Oracle history: June-9-2025 Cupertino Miranda - 2.28-251.0.3.22 - Forward port of Oracle patches Reviewed-by: David Faust April-14-2025 Cupertino Miranda - 2.28-251.0.3.16 - Forward port of Oracle patches Reviewed-by:...

glibc security update

2.28-251.0.3.22 - Forward port of Oracle patches Reviewed-by: David Faust Oracle history: April-14-2025 Cupertino Miranda - 2.28-251.0.3.16 - Forward port of Oracle patches Reviewed-by: Elena Zannoni March-26-2025 Cupertino Miranda - 2.28-251.0.3.14 - OraBug: 36625686 Add MTE support on string...

glibc security update

2.28-251.0.3.16 - Forward port of Oracle patches Reviewed-by: Elena Zannoni Oracle history: March-26-2025 Cupertino Miranda - 2.28-251.0.3.14 - OraBug: 36625686 Add MTE support on string functions Reviewed-by: Jose E. Marchesi March-17-2025 Cupertino Miranda - 2.28-251.0.2.14 - Forward port of...

glibc security update

2.28-251.0.3.16 - Forward port of Oracle patches Reviewed-by: Elena Zannoni Oracle history: March-26-2025 Cupertino Miranda - 2.28-251.0.3.14 - OraBug: 36625686 Add MTE support on string functions Reviewed-by: Jose E. Marchesi March-17-2025 Cupertino Miranda - 2.28-251.0.2.14 - Forward port of...