Astra Linux – vulnerability in linux-6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled The MPCIFC instruction does not permit registering adapter interrupts without first unregistering them. Therefore, any request to enable interrupt forwarding ...

MiracleLinux 8 : kernel-4.18.0-553.179.1.el8_10 (AXSA:2026-2195:111)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-2195:111 advisory. kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled CVE-2026-74515 Tenable has extracted the preceding description block directly...

kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled

A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine s390 PCI component. This vulnerability arises from improper handling of adapter interrupt forwarding, where enabling it multiple times for a zPCI device without prior unregistration can lead to resource overwriting and leakag...

Rocky Linux 8 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-abi-stablelists / etc (crlsa-2026_89816)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202689816 advisory. kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled CVE-2026-74515 Tenable has extracted the preceding description block directly from t...

Rocky Linux 8 [CIQ] Security Update: kernel-rt / kernel-rt-core / kernel-rt-debug / kernel-rt-debug-core / etc (crlsa-2026_89814)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202689814 advisory. kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled CVE-2026-74515 Tenable has extracted the preceding description block directly from t...

RLSA-2026:89814 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled CVE-2026-74515 For more details about the security issues,...

kernel-rt security update

An update is available for kernel-rt. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel-rt packages provide the Real Time Linux Kernel, which enables...

kernel security update

An update is available for kernel. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The kernel packages contain the Linux kernel, the core of any Linux operating...

RLSA-2026:89816 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled CVE-2026-74515 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and...

RockyLinux 8 : kernel (RLSA-2026:89816)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:89816 advisory. kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled CVE-2026-74515 Tenable has extracted the preceding description block directly from...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled CVE-2026-74515 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and...

Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled CVE-2026-74515 For more details about the security issues,...

ALSA-2026:89814 Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled CVE-2026-74515 For more details about the security issues,...

RHEL 8 : kernel-rt (RHSA-2026:89814)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:89814 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements...

ALSA-2026:89816 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: s390: pci: Reject adapter interrupt forwarding if already enabled CVE-2026-74515 For more details about the security issues, including the impact, a CVSS score, acknowledgments, and...

RHEL 8 : kernel (RHSA-2026:89816)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:89816 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: KVM: s390: pci: Reject adapter interru...

CVE-2026-74515

A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine s390 PCI component. This vulnerability arises from improper handling of adapter interrupt forwarding, where enabling it multiple times for a zPCI device without prior unregistration can lead to resource overwriting and leakag...

CVE-2026-72290

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM for s390 PCI. During the setup of guest interrupt forwarding, a reference count refcount to the Guest Interrupt Service Call GISC may not be properly released if subsequent setup steps fail. This resource leak can lead to...