CVE-2026-64562

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM nested virtualization nVMX feature. This vulnerability occurs because the shadow Virtual Machine Control Structure VMCS is freed prematurely while still being referenced. Due to asynchronous operations, a virtual CPU vCPU mig...

CVE-2026-49263

A flaw was found in Capstone, a disassembly framework, affecting its WebAssembly WASM backend. A remote attacker could exploit this by providing a specially crafted brtable instruction. This could lead to a denial of service, where the disassembler gets stuck in a loop, or cause parser...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/MCE: Always save the CS register in cases of AMD Zen IF Poison errors. The Instruction Fetch IF units on current AMD Zen-based systems do not guarantee a synchronous MC for poison consumption errors. Therefore,...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: arm64: Restrict CPUBIGENDIAN to GNU as or LLVM IAS 15.x or newer Prior to LLVM 15.0.0, LLVM’s integrated assembler would incorrectly byte-swap NOPs when compiling for big-endian, and the resulting sequence of bytes happened to...

Astra Linux – Vulnerability in Firefox and Thunderbird

The reordering of instructions resulted in a sequence of instructions that would cause an object to be incorrectly processed during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird 78.13, Thunderbird 91, Firefox ESR 78.1...

Astra Linux – Vulnerability in Firefox and Thunderbird

A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. This vulnerability affects Firefox 112, Focus for Android 112, Firefox ESR 102.10, Firefox for Android 112, and Thunderbird 102.10...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Disabling IBT when the hypercall page lacks the ENDBR instruction. On hardware that supports Indirect Branch Tracking IBT, Hyper-V VMs with ConfigVersion 9.3 or later support IBT in the guest. However, current version...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: powerpc/lib: Validate size for vector operations Some parts of the fp/vmx code in sstep.c assume a certain maximum size for the instructions being emulated. However, the size of these operations is determined separately in the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: parisc: Clearing stale IIR values during Instruction Access Rights Trap When a trap 7 Instruction Access Rights occurs, it means that the CPU could not execute an instruction due to missing execute permissions on the memory regio...

Astra Linux – Vulnerability in amd64-microcode

Improper or unexpected behavior of the INVD instruction in some AMD CPUs may allow an attacker with a malicious hypervisor to influence the cache line write-back behavior of the CPU, resulting in a potential loss of integrity of the guest virtual machine VM memory...

Astra Linux – Vulnerability in Linux, Linux 5.10

A flaw was discovered in the s390 eBPF JIT mechanism within bpfjitinsn in the arch/s390/net/bpfjitcomp.c file of the Linux kernel. In this flaw, a local attacker with special user privileges can bypass the verifier, potentially leading to confidentiality issues...

Astra Linux – Vulnerability in Capstone

Capstone 3.0.4 has a out-of-bounds vulnerability SEGV caused by a read memory access in X86insnregintel in arch/X86/X86Mapping.c...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: comedi: Fixed the use of uninitialized data in insnrwemulatebits. For Comedi INSNREAD and INSNWRITE instructions on “digital” subdevices subdevice types COMEDISUBDDI, COMEDISUBDDO, and COMEDISUBDDIO, it is common for the subdevic...

No title provided

A flaw was found in AMD Zen 2-based processors, affecting components such as the kernel and Xen hypervisor. Improper isolation of shared resources within the CPU operation cache could allow an attacker to corrupt instructions executed at a different privilege level. This could potentially result ...

EUVD-2026-61491

The Zephyr kernel validates the kthreadjoin and kthreadabort system calls declared syscall in include/zephyr/kernel.h through threadobjvalidate in kernel/thread.c. Its default switch branch is the access-denied path, taken when kobjectvalidate returns -EPERM the calling user thread was never...

CVE-2026-72154

A flaw was found in the Linux kernel, specifically within the OpenRISC architecture's handling of jump label synchronization in Symmetric Multiprocessing SMP systems. The implementation did not correctly invalidate instruction caches icaches on remote processor cores after updates. This oversight...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100775)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100775 advisory. In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resource...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-099970)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099970 advisory. In the Linux kernel, the following vulnerability has been resolved: x86/CPU/AMD: Prevent improper isolation of shared resources in Zen2's op cache Make sure resource...

CVE-2026-74515

CVE-2026-74515 concerns the Linux kernel, specifically KVM on s390 for PCI (zPCI). The issue arises when enabling adapter interrupt forwarding: the MPCIFC instruction forbids registering interrupts without unregistering first, so a second or repeated enable request for the same device is rejected...