CVE-2026-23294 bpf: Fix race in devmap on PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix race in devmap on PREEMPTRT On PREEMPTRT kernels, the per-CPU xdpdevbulkqueue bq can be accessed concurrently by multiple preemptible tasks on the same CPU. The original code assumes bqenqueue and devflush run atomically...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the blkaddTrace function using the thiscpu operation within preemptible contexts, potentially leading t...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005548)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005548 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: prevent nfskbduplicated corruption syzbot found that nfdupipv4 or nfdupipv6...

SUSE CVE-2026-23134

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

Linux Distros Unpatched Vulnerability : CVE-2026-23134

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes ...

CVE-2026-23134

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

CVE-2026-23134

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

CVE-2026-23134

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

UBUNTU-CVE-2026-23134

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

EUVD-2026-5903

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

CVE-2026-23134

The event CVE-2026-23134 pertains to the Linux kernel slab/kmalloc_nolock() context checks on PREEMPT_RT. On PREEMPT_RT kernels, local_lock is a sleeping lock; when a BPF program runs from a tracepoint with preemption disabled, kmalloc_nolock() may call local_lock_irqsave() and attempt to acquire...

CVE-2026-23134 slab: fix kmalloc_nolock() context check for PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

CVE-2026-23134 slab: fix kmalloc_nolock() context check for PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmallocnolock context check for PREEMPTRT On PREEMPTRT kernels, locallock becomes a sleeping lock. The current check in kmallocnolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

PT-2026-8129

In the Linux kernel, the following vulnerability has been resolved: slab: fix kmalloc nolock context check for PREEMPT RT On PREEMPT RT kernels, local lock becomes a sleeping lock. The current check in kmalloc nolock only verifies we're not in NMI or hard IRQ context, but misses the case where...

Rethinking Latency Denial-Of-Service: Attacking the LLM Serving Framework, Not the Model

Large Language Models face an emerging and critical threat known as latency attacks. Because LLM inference is inherently expensive, even modest slowdowns can translate into substantial operating costs and severe availability risks. Recently, a growing body of research has focused on algorithmic...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: Discarding stale CPU state when handling SME traps The logic for handling SME traps improperly manipulates the saved FPSIMD/SVE/SME state. A race condition can occur when the SME trap handler is preempted before and...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Input: gpio-keys – fix a sleep while atomic with PREEMPTRT. When PREEMPTRT is enabled, the gpiokeysirqtimer callback runs in the hardirq context. However, the inputevent function takes a spinlock, which is not allowed in that...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38170)

"The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38170 advisory. - In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: Discard stale CPU state...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-004433)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004433 advisory. fpregsstatevalid in arch/x86/include/asm/fpu/internal.h in the Linux kernel before 5.4.2, when GCC 9 is used, allows context-dependent attackers to cause a denial of...

CVE-2025-71124

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: move preemptpreparepostamble after error check Move the call to preemptpreparepostamble after verifying that preemptpostambleptr is valid. If preemptpostambleptr is NULL, dereferencing it in preemptpreparepostamble...