USN-8618-1: Linux kernel vulnerabilities

It was discovered that some AMD Zen 2 processors did not properly isolate shared resources in the operation cache. A local attacker could possibly use this issue to corrupt instructions executed at a higher privilege level, resulting in privilege escalation. CVE-2025-54518 Several security issues...

study_embedded_security

studyembeddedsecurity A hands-on study...

RHEL 8 : kernel (RHSA-2026:47248)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:47248 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen/privcmd: fix double free...

OpenSSL 3.5.0 < 3.5.4 Multiple Vulnerabilities in SANnav images

The version of OpenSSL installed on the remote host is prior to 3.5.4. It is, therefore, affected by multiple vulnerabilities as referenced in the 3.5.4 advisory. - Issue summary: A timing side-channel which could potentially allow remote recovery of the private key exists in the SM2 algorithm...

CVE-2026-64555

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix SPSREL2 restore in kvmhyphandlemops kvmhyphandlemops resets the single-step state machine as part of rewinding state for a MOPS exception by modifying vcpucpsr and writing the result directly into hardware. In...

UBUNTU-CVE-2026-64555

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix SPSREL2 restore in kvmhyphandlemops kvmhyphandlemops resets the single-step state machine as part of rewinding state for a MOPS exception by modifying vcpucpsr and writing the result directly into hardware. In...

EUVD-2026-49606

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Fix SPSREL2 restore in kvmhyphandlemops kvmhyphandlemops resets the single-step state machine as part of rewinding state for a MOPS exception by modifying vcpucpsr and writing the result directly into hardware. In...

CVE-2026-64520

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Bound PARTITIONINFOGETREGS copies The register-based PARTITIONINFOGET path trusted the firmware-provided indices when copying partition descriptors into the caller buffer. Reject inconsistent counts or index...

PT-2026-65230

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM arm64 nested virtualization implementation within the kvm hyp handle mops function. The function resets the single-step state machine during the state rewind f...

KVM: arm64: Clear __hyp_running_vcpu when flushing the pKVM hyp vCPU

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SUSE CVE-2026-64520

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Bound PARTITIONINFOGETREGS copies The register-based PARTITIONINFOGET path trusted the firmware-provided indices when copying partition descriptors into the caller buffer. Reject inconsistent counts or index...

Missing Release of Memory after Effective Lifetime

Overview Magick.NET-Q16-HDRI-arm64 is a Magick.NET allows you can use ImageMagick without having to install ImageMagick on your server or desktop. More information about specific builds see the official docs https://github.com/dlemstra/Magick.NET/tree/main/docs Affected versions of this package a...

CVE-2026-64520

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Bound PARTITIONINFOGETREGS copies The register-based PARTITIONINFOGET path trusted the firmware-provided indices when copying partition descriptors into the caller buffer. Reject inconsistent counts or index...

UBUNTU-CVE-2026-64288

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: nv: Avoid dereferencing NULL VNCR pseudo-TLB VNCR TLB invalidation occurs from MMU notifiers or TLBI instructions, and either can race against a vcpu not being onlined yet no pseudo-TLB allocated. Similarly, the TLB...

UBUNTU-CVE-2026-64287

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Bound usedlrs when flushing the pKVM hyp vCPU flushhypvcpu copies the host vGIC state into the hyp's private vCPU on every run. The vGIC list register save and restore use usedlrs as their loop bound and expect it to...

UBUNTU-CVE-2026-64415

In the Linux kernel, the following vulnerability has been resolved: mm/swap: add condresched in swapreclaimfullclusters to prevent softlockup We hit a real softlockup in an internal stress test environment. The workload was LTP memory/swap stress on a large arm64 machine, with 320 CPUs, about 1TB...

CVE-2026-64520

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Bound PARTITIONINFOGETREGS copies The register-based PARTITIONINFOGET path trusted the firmware-provided indices when copying partition descriptors into the caller buffer. Reject inconsistent counts or index...

CVE-2026-64520 firmware: arm_ffa: Bound PARTITION_INFO_GET_REGS copies

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Bound PARTITIONINFOGETREGS copies The register-based PARTITIONINFOGET path trusted the firmware-provided indices when copying partition descriptors into the caller buffer. Reject inconsistent counts or index...

EUVD-2026-48864

In the Linux kernel, the following vulnerability has been resolved: firmware: armffa: Bound PARTITIONINFOGETREGS copies The register-based PARTITIONINFOGET path trusted the firmware-provided indices when copying partition descriptors into the caller buffer. Reject inconsistent counts or index...

CVE-2026-64520

In the Linux kernel, the ARM Firmware Framework Architecture (arm_ffa) PARTITION_INFO_GET_REGS path incorrectly trusted firmware-provided indices when copying partition descriptors into the caller buffer. The copy loop could write beyond the allocated array when counts/index progressions were inc...