RLSA-2026:70459 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: crypto: afalg - Disallow concurrent writes in afalgsendmsg CVE-2025-39964 kernel: iommu/vt-d: Clear Present bit before tearing down PASID entry CVE-2026-45894 kernel: crypto: ccp - Fix a...

RLSA-2026:70498 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: crypto: afalg - Disallow concurrent writes in afalgsendmsg CVE-2025-39964 kernel: iommu/vt-d: Clear Present bit before tearing down PASID entry CVE-2026-45894 kernel: crypto: ccp - Fix a...

RockyLinux 8 : kernel-rt (RLSA-2026:70403)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:70403 advisory. kernel: crypto: afalg - Disallow concurrent writes in afalgsendmsg CVE-2025-39964 kernel: Linux kernel Bluetooth: Denial of Service via race condition i...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 9. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

ALSA-2026:70402 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: crypto: afalg - Disallow concurrent writes in afalgsendmsg CVE-2025-39964 kernel: Linux kernel Bluetooth: Denial of Service via race condition in hidpsessionthread CVE-2023-54120 kernel:...

Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: crypto: afalg - Disallow concurrent writes in afalgsendmsg CVE-2025-39964 kernel: Linux kernel Bluetooth: Denial of Service via race condition in hidpsessionthread CVE-2023-54120 kernel:...

Linux Distros Unpatched Vulnerability : CVE-2026-90243

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/vt-d: Clear Present bit before tearing down copied context entry copiedcontextteardown zeroes the 128-bit context entry with contextclearentry while the...

Linux Distros Unpatched Vulnerability : CVE-2026-90242

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/vt-d: Fix iopfrefcount leak on RID domain replacement inteliommuattachdevice enables IOPF for the new domain but never disables it for the old one...

Linux Distros Unpatched Vulnerability : CVE-2026-90240

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/vt-d: Flush context cache with correct SID when tearing down aliases domaincontextclearone and devicepasidtableteardown are both invoked once per DMA alia...

Linux Distros Unpatched Vulnerability : CVE-2026-90241

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - iommu/vt-d: Tear down scalable-mode context on probe failure intelpasidsetupsmcontext walks a PCI device's DMA aliases via pciforeachdmaalias and programs a...

CVE-2026-90241

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Tear down scalable-mode context on probe failure intelpasidsetupsmcontext walks a PCI device’s DMA aliases via pciforeachdmaalias and programs a scalable-mode context entry for each RID. For a device with a...

DEBIAN-CVE-2026-90243

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down copied context entry copiedcontextteardown zeroes the 128-bit context entry with contextclearentry while the Present bit is still set, and only then issues the context-cache and...

DEBIAN-CVE-2026-90241

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Tear down scalable-mode context on probe failure intelpasidsetupsmcontext walks a PCI device’s DMA aliases via pciforeachdmaalias and programs a scalable-mode context entry for each RID. For a device with a...

CVE-2026-90242

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix iopfrefcount leak on RID domain replacement inteliommuattachdevice enables IOPF for the new domain but never disables it for the old one. deviceblocktranslation, called at the start of the function, tears down...

CVE-2026-90243

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down copied context entry copiedcontextteardown zeroes the 128-bit context entry with contextclearentry while the Present bit is still set, and only then issues the context-cache and...

DEBIAN-CVE-2026-90242

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix iopfrefcount leak on RID domain replacement inteliommuattachdevice enables IOPF for the new domain but never disables it for the old one. deviceblocktranslation, called at the start of the function, tears down...

DEBIAN-CVE-2026-90240

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush context cache with correct SID when tearing down aliases domaincontextclearone and devicepasidtableteardown are both invoked once per DMA alias of a device. Each function locates the context entry using the...

CVE-2026-90240

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Flush context cache with correct SID when tearing down aliases domaincontextclearone and devicepasidtableteardown are both invoked once per DMA alias of a device. Each function locates the context entry using the...

CVE-2026-90243 iommu/vt-d: Clear Present bit before tearing down copied context entry

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clear Present bit before tearing down copied context entry copiedcontextteardown zeroes the 128-bit context entry with contextclearentry while the Present bit is still set, and only then issues the context-cache and...

CVE-2026-90243

CVE-2026-90243 is a race condition in the Linux kernel's VT-d IOMMU driver. The function copied_context_tear_down() zeroes a 128-bit context entry while the Present bit is still set , creating a window where the IOMMU hardware can fetch a torn entry —some fields zeroed while Present remains set. ...