Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: The incorrect check in updateparentsubpartscpumask has been fixed. It was discovered that the check to determine whether a partition can use all the CPUs from the parent cpuset in updateparentsubpartscpumask was...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: The crash in iclupdatetopdownevent has been fixed. perffuzzer detected a hard-lockup crash on a RaptorLake machine: Oops: General Protection Fault, possibly at address 0xffff89aeceab400: 0000 CPU: 23 UID: 0 PID: 0...

Astra Linux – Vulnerability in Intel Microcode

Insufficient resource allocation in the core management mechanism for certain Intel processors may allow an authenticated user to potentially exploit a denial-of-service attack through local access...

Fedora 44 : kernel (2026-8b619eef6f)

The remote Fedora 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-8b619eef6f advisory. The 7.0.12-101/201 updates contain fixes for CVE-2025-10263. This CVE, while important, only impacts specific aarch64 CPUs. Tenable has extracted the precedi...

Security update for xen

This update for xen fixes the following issues CVE-2025-54505: Floating Point Divider State Sampling on AMD CPUs AMD-SN-7053 bsc1262428. CVE-2025-54518: AMD-SN-7052: CPU OP Cache Corruption bsc1264066. CVE-2026-23557: Xenstored DoS via XSRESETWATCHES command bsc1262178. CVE-2026-23558: grant tabl...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from issues with the pkvminitvcpu function in KVM arm64. These issues involve pin leakage and ordering...

SUSE CVE-2023-20593

An issue in “Zen 2” CPUs, under specific microarchitectural circumstances, may allow an attacker to potentially access sensitive information...

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

In the Linux kernel, the following vulnerabilities have been resolved: RDMA/irdma: The Cap MSIX used to online CPUs + 1 The irdma driver can use a maximum number of msix vectors equal to numonlinecpus + 1. If this number is exceeded, the kernel will issue a warning when the driver attempts to...

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

In the Linux kernel, the following vulnerabilities have been resolved: ARM: rockchip: fixed a kernel hang during SMP initialization To enable the secondary CPUs’ main CPU write trampoline code to SRAM, the trampoline code is written while the secondary CPUs are powered on at least this is true fo...

Astra Linux - уязвимость в linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: sched/deadline: Only the freecpus field is set for online runqueues. Commit 16b269436b72 “sched/deadline: Modified cpudl::freecpus to reflect rd-online“” introduced the cpudlset/clearfreecpu functions, allowing the...

UBUNTU-CVE-2026-43344

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

CVE-2026-43344

CVE-2026-43344 affects the Linux kernel perf/x86/intel/uncore subsystem. The root cause is incorrect die ID initialization/lookup in snbep_pci2phy_map_init() that can produce die_id == -1 when CPUs are offline or when NUMA is disabled, causing uncore_device_to_die() to misbehave and PMON units to...

PT-2026-38977

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock occurs in the sched ext component due to the SCX KICK WAIT mechanism. The kick cpus irq workfn function performs a busy-wait using smp cond load acquire until the target CPU's...

Linux Distros Unpatched Vulnerability : CVE-2026-43326

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - schedext: Fix SCXKICKWAIT deadlock by deferring wait to balance callback SCXKICKWAIT busy-waits in kickcpusirqworkfn using smpcondloadacquire until the target...

EUVD-2026-27669

In the Linux kernel, the following vulnerability has been resolved: mailbox: mchp-ipc-sbi: fix out-of-bounds access in mchpipcgetclusteraggrirq The clustercfg array is dynamically allocated to hold per-CPU configuration structures, with its size based on the number of online CPUs. Previously, thi...

Astra Linux - уязвимость в linux-5.15

In the Linux kernel, the following vulnerability has been resolved: sched/core: Do not requeue tasks on CPUs excluded from cpusmask. The following warning was triggered on a large machine during boot time in a distribution kernel; the same issue should also affect the mainline version of the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Fixed NULL pointer dereferencing in ixgbexdpsetup The ixgbe driver currently causes a NULL pointer dereferencing with some machines online cpus ringfeatureRINGFFDIR.limit = count; This results in numqueues being set to 63...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Fixed an out-of-bounds access in parseintegerlimit. When configuring osnoisecpus using the write system call, the following KASAN exception may occur: BUG: KASAN: Out-of-bounds access in...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: KVM: SVM: Obtain source vCPUs from the source VM for SEV-ES intrahost migration Fixed a bug where KVM attempts to retrieve source vCPUs from the destination VM during intrahost migration. Retrieving the wrong vCPU not only hal...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: virtiovdpa: build affinity masks conditionally We try to build affinity mask via createaffinitymasks unconditionally which may lead several issues: - the affinity mask is not used for parent without affinity support only VDUSE...