Important: Red Hat Security Advisory: OpenShift Virtualization v4.17 Images

Red Hat OpenShift Virtualization release v4.17 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Important: Red Hat Security Advisory: OpenShift Virtualization v4.18 Images

Red Hat OpenShift Virtualization release v4.18 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

Important: Red Hat Security Advisory: OpenShift Virtualization v4.21 Images

Red Hat OpenShift Virtualization release v4.21 is now available with updates to packages and images that fix several bugs and add enhancements. OpenShift Virtualization is Red Hat's virtualization solution designed for Red Hat OpenShift Container Platform. This advisory contains OpenShift...

kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM component. A local attacker with privileges on the host system could exploit a vulnerability in how KVM handles shadow page table entries SPTEs during memory-mapped I/O MMIO operations. By manipulating guest page table entrie...

Security Bulletin: Storage Virtualize Ansible Collection is affected by a vulnerability in the cryptography package

Summary Storage Virtualize Ansible Collection uses the cryptography package to provide common cryptographic algorithms. Version cryptography-46.0.5 package is vulnerable to CVE-2026-39892. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section Affected...

kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM component. A local attacker with privileges on the host system could exploit a vulnerability in how KVM handles shadow page table entries SPTEs during memory-mapped I/O MMIO operations. By manipulating guest page table entrie...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Unconditionally save+flush host FPSIMD/SVE/SME state There are several issues with the way the hyp code lazily saves the host’s FPSIMD/SVE state. These include: The host SVE state is unexpectedly discarded due to...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM – Use kzalloc for SEV ioctl interfaces to prevent kernel data leaks. For some SEV ioctl interfaces, the length parameter passed may be less than or equal to SEVFWBLOBMAXSIZE, but larger than the data returned by the PSP...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: x86/sev: Use TSCFACTOR for Secure TSC frequency calculation When using Secure TSC, the GUESTTSCFREQ MSR reports a frequency based on the nominal P0 frequency. This frequency deviates slightly typically 0.2% from the actual mean T...

Astra Linux - уязвимость в linux-5.10, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: hv: Fixed a crash in hvpcirestoremsimsg during hibernation. When a Linux virtual machine with a assigned PCI device runs on Hyper-V, if the PCI device driver is not yet loaded i.e., MSI-X/MSI is not enabled on the device,...

Astra Linux - уязвимость в linux-5.10, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Do not skip unrelated instructions if INT3/INTO is replaced When re-injecting a soft interrupt from an INT3, INT0, or select INTn instruction, discard the exception and retry the instruction if the code stream changes...

Astra Linux - уязвимость в linux-5.10, linux-6.1, linux-5.15

In the Linux kernel, the following vulnerability has been resolved: MIPS: KVM: Fix for NULL pointer dereferencing After committing change 45c7e8af4a5e3f0bea4ac209 “MIPS: Remove KVMTE support”, we encountered a NULL pointer dereferencing issue when creating a KVM guest: 146.243409 Starting KVM wit...

Astra Linux - уязвимость в linux, linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: fix in setting the fpc register The function kvmarchvcpuioctlsetfpu allows for setting the floating-point control fpc register of a guest CPU. The new value is validated by temporarily loading it into the fpc register...

Astra Linux - уязвимость в linux-5.10, linux-5.15, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: pv: fix index value of replaced ASCE The index field of the struct page corresponding to a guest ASCE should be 0. When replacing the ASCE in s390replaceasce, the index of the new ASCE should also be set to 0. Having t...

Astra Linux - уязвимость в linux-5.10, linux-6.1

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fixed a situation where a hard lockup occurs in the virtual machine after prolonged inactivity, caused by the periodic HV timer. When advancing the target expiration of the guest’s APIC timer in periodic mode, set the...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerability has been resolved: drm/panthor: Fixed handling of partial GPU mapping of BOs. This commit fixes the bug in the handling of partial mapping of buffer objects to the GPU, which caused kernel warnings. Panthor did not correctly handle cases where the...

Astra Linux - уязвимость в linux-5.10

In the Linux kernel, the following vulnerabilities have been resolved: KVM: arm64: Fixed a shift-out-of-bounds bug Fixed a shift-out-of-bounds bug reported by UBSAN when running a VM with MTE enabled on a host kernel. UBSAN: Shift-out-of-bounds in arch/arm64/kvm/sys regs.c:1988:14. The shift...

Astra Linux - уязвимость в linux, linux-5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure liveliness of nested VM-Enter fail tracepoint message Use the string machinery provided by the tracing subsystem to create a copy of the string literals used in the “nested VM-Enter failed” tracepoint. A complete...

Astra Linux - уязвимость в linux-5.10

A flaw was discovered in the Linux kernel. The existing KVM SEV API contains a vulnerability that allows a non-root host user-level application to crash the host kernel by creating a confidential guest VM instance in an AMD CPU that supports Secure Encrypted Virtualization SEV...

Astra Linux - уязвимость в linux-5.10, linux

A flaw was discovered in the Linux kernel’s implementation of proxied virtualized TPM devices. In a system where virtualized TPM devices are enabled which is not the default setting, a local attacker can exploit this flaw to create a “use-after-free” condition, potentially allowing them to escala...