CVE-2026-46035

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: return NULL early from allocfrozenpagesnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, allocfrozenpagesnolock calle...

PT-2026-43902

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description On Uniprocessor UP kernels where CONFIG SMP is not enabled, the spin trylock function acts as a no-op and succeeds unconditionally, even if the lock is already held. This allows alloc...

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 unconditional success of the spintrylock operation when calling kmallocnolock within the NMI contex...

CVE-2026-46029

In the Linux kernel, the following vulnerability has been resolved: mm/slab: return NULL early from kmallocnolock in NMI on UP On UP kernels !CONFIGSMP, spintrylock is a no-op that unconditionally succeeds even when the lock is already held. As a result, kmallocnolock called from NMI context can...

PT-2026-43896

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description On Uniprocessor UP kernels where CONFIG SMP is not enabled, the spin trylock function acts as a no-op and unconditionally succeeds. This allows kmalloc nolock called from a Non-Maskable...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86: The movement of the event pointer was moved earlier in x86pmuenable. A production AMD EPYC system crashed due to a NULL pointer dereference in the PMU NMI handler: BUG: NULL pointer dereference in the kernel, address:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: perf/x86/amd: Fixed a crash that occurred due to a race between amdpmuenableall, perf NMI, and throttling. amdpmuenableall does the following: if !testbitidx, cpuc-activemask continue; amdpmuenableeventcpuc-eventsidx; A perf N...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: A WARN message is generated on vNMI when an NMI window is requested, provided that the NMIs are effectively masked. This occurs only if the vCPU is already handling an NMI. KVM’s approach for handling simultaneous NMIs ...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm/slab: Do not access current-memsallowedseq if !allowspin Lockdep reports a problem when the getfromanypartial function is called in an NMI context, because current-memsallowedseq is of type seqcountspinlockt, which is not...

Linux Distros Unpatched Vulnerability : CVE-2026-43285

"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: mm/slab: do not access current-memsallowedseq if !allowspin Lockdep complains when...

SUSE CVE-2026-43285

In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not access current-memsallowedseq if !allowspin Lockdep complains when getfromanypartial is called in an NMI context, because current-memsallowedseq is seqcountspinlockt and not NMI-safe:...

EUVD-2026-28555

In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not access current-memsallowedseq if !allowspin Lockdep complains when getfromanypartial is called in an NMI context, because current-memsallowedseq is seqcountspinlockt and not NMI-safe:...

CVE-2026-43285

In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not access current-memsallowedseq if !allowspin Lockdep complains when getfromanypartial is called in an NMI context, because current-memsallowedseq is seqcountspinlockt and not NMI-safe:...

UBUNTU-CVE-2026-43285

In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not access current-memsallowedseq if !allowspin Lockdep complains when getfromanypartial is called in an NMI context, because current-memsallowedseq is seqcountspinlockt and not NMI-safe:...

CVE-2026-43285 mm/slab: do not access current->mems_allowed_seq if !allow_spin

In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not access current-memsallowedseq if !allowspin Lockdep complains when getfromanypartial is called in an NMI context, because current-memsallowedseq is seqcountspinlockt and not NMI-safe:...

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 accessing current-memsallowedseq in an NMI environment, potentially leading to inconsistent lock states...

CVE-2026-23435

A flaw was found in the Linux kernel's performance monitoring unit PMU subsystem. A race condition can occur during the unthrottling of performance events, leading to a mismatch between active performance counters and their corresponding event pointers. This can result in a NULL pointer dereferen...

UBUNTU-CVE-2026-23435

In the Linux kernel, the following vulnerability has been resolved: perf/x86: Move event pointer setup earlier in x86pmuenable A production AMD EPYC system crashed with a NULL pointer dereference in the PMU NMI handler: BUG: kernel NULL pointer dereference, address: 0000000000000198 RIP:...

PT-2026-52000

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock can occur in the Linux kernel when deleting local storage within a Non-Maskable Interrupt NMI or reentrant context. This happens when freeing storage elements through kfree rc...

CVE-2026-23138

A flaw was found in the Linux kernel's tracing subsystem. When tracing RCU events with the kernel stack trace trigger enabled, an infinite recursion can occur because the stack trace recording code calls back into RCU, which then triggers another stack trace. This leads to a stack overflow and...