kernel: iommu/amd: Fix clone_alias() to use the original device's devid

A flaw was found in the Linux kernel's IOMMU Input/Output Memory Management Unit AMD driver. The clonealias function incorrectly uses the device ID devid when handling alias devices. This can lead to the propagation of wrong or stale Device Table Entry DTE entries to alias devices, potentially...

CVE-2025-38676

CVE-2025-38676 — Linux Kernel ≤ 6.17-rc2 AMD IOMMU スタックバッファオーバーフロー このリポジトリは、CVE-2025-38676を調査するための安全で悪用不可能なPoCリソース を提供します： 情報収集＋安全ツール QEMUブートハーネス：長いカーネルコマンドライン の順列を実行 強化ガイダンス（GRUB/UEFI/セキュアブート、ベースライン/proc/cmdline） 脆弱性の概要 アップストリーム修正： 「iommu/amd: Avoid stack buffer overflow from kernel cmdline …...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098984)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098984 advisory. In the Linux kernel, the following vulnerability has been resolved: iommu/amd: move waitonsem out of spinlock With iommu.strict=1, the existing completion wait path...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098714)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098714 advisory. In the Linux kernel, the following vulnerability has been resolved: iommu/amd/pgtbl: Fix possible race while increase page table level The AMD IOMMU host page table...

Linux Distros Unpatched Vulnerability : CVE-2026-68347

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/amd: Fix IRQ unsafe locking in gdom allocation Lockdep complains: 259.410489 ===================================================== 259.417287 WARNING:...

CVE-2026-68329

A flaw was found in the Linux kernel's iommu/amd component. A race condition in the iommucompletionwait function allows it to return prematurely without ensuring all previously queued commands have completed in hardware. This can lead to a use-after-free vulnerability, where the Input/Output Memo...

CVE-2026-68347

A flaw was found in the Linux kernel's AMD IOMMU Input/Output Memory Management Unit driver. This vulnerability is caused by an unsafe lock order during the allocation of graphics domains gdom and within the IOMMUDESTROY free path. This issue could lead to a system crash or a denial of service Do...

CVE-2026-68347

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix IRQ unsafe locking in gdom allocation Lockdep complains: 259.410489 ===================================================== 259.417287 WARNING: HARDIRQ-safe - HARDIRQ-unsafe lock order detected 259.424667...

CVE-2026-68329

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Wait for completion instead of returning early in iommucompletionwait needsync is a per-IOMMU flag shared by all domains and devices behind that IOMMU. It is set whenever a command is queued with sync == true and clear...

CVE-2026-68329

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Wait for completion instead of returning early in iommucompletionwait needsync is a per-IOMMU flag shared by all domains and devices behind that IOMMU. It is set whenever a command is queued with sync == true and clear...

EUVD-2026-55448

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix IRQ unsafe locking in gdom allocation Lockdep complains: 259.410489 ===================================================== 259.417287 WARNING: HARDIRQ-safe - HARDIRQ-unsafe lock order detected 259.424667...

CVE-2026-68347

CVE-2026-68347 pertains to the Linux kernel’s amd iommu code. The vulnerability arises from IRQ-unsafe locking in gdom allocation and in the IOMMU destroy/free path, leading to lock-order conflicts when HARDIRQ-safe locks become HARDIRQ-unsafe. The documented fix switches the allocation path in g...

CVE-2026-68329 iommu/amd: Wait for completion instead of returning early in iommu_completion_wait()

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Wait for completion instead of returning early in iommucompletionwait needsync is a per-IOMMU flag shared by all domains and devices behind that IOMMU. It is set whenever a command is queued with sync == true and clear...

Linux Distros Unpatched Vulnerability : CVE-2026-68329

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/amd: Wait for completion instead of returning early in iommucompletionwait needsync is a per- IOMMU flag shared by all domains and devices behind that...

SUSE-SU-2026:22810-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-20585: iommu/amd: Use maximum Event log buffer size when SNP is enabled on Family 0x19 bsc1243603. - CVE-2026-31503: udp: Fix wildcard bind...

SUSE-SU-2026:22809-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-20585: iommu/amd: Use maximum Event log buffer size when SNP is enabled on Family 0x19 bsc1243603. - CVE-2026-31503: udp: Fix wildcard bind...

SUSE-SU-2026:22904-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-20585: iommu/amd: Use maximum Event log buffer size when SNP is enabled on Family 0x19 bsc1243603. - CVE-2026-31503: udp: Fix wildcard bind...

SUSE-SU-2026:22903-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and Micro 6.1 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2023-20585: iommu/amd: Use maximum Event log buffer size when SNP is enabled on Family 0x19 bsc1243603. - CVE-2026-31503: udp: Fix wildcard bind...

SUSE CVE-2026-64186

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Remove latent out-of-bounds access in IOMMU debugfs In iommummiowrite and iommucapabilitywrite, the variables dbgmmiooffset and dbgcapoffset are declared as int. However, they are populated using kstrtou32fromuser. If ...

CVE-2026-64186

A flaw was found in the Linux kernel's AMD IOMMU debugfs. Improper handling of user-provided input in the iommummiowrite and iommucapabilitywrite functions can lead to an out-of-bounds memory access. This vulnerability could allow a local attacker to potentially cause a denial of service or...