CVE-2026-64372

Summary: CVE-2026-64372 affects the Linux kernel cpufreq/pcc OSC evaluation path. The defect arises in pcc_cpufreq_do_osc(), which calls acpi_evaluate_object() twice for the two‑phase _OSC negotiation. Between the calls, output.pointer is freed while output.length remains, causing the second call...

Linux Distros Unpatched Vulnerability : CVE-2026-52959

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - virt: sev-guest: Do not use host-controlled page order in cleanup path When issuing an extended guest request SVMVMGEXITEXTGUESTREQUEST, getextreport allocates ...

CVE-2026-53252

The CVE-2026-53252 affects the Linux kernel Bluetooth HCI path. Root cause: memory leak of SRCU percpu memory when device init fails before hci_register_dev(), due to not cleaning up the SRCU struct on the unregistered fallback path. Fix: call cleanup_srcu_struct() in bt_host_release() fallback b...

CVE-2026-52976

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix error cleanup in xeexecqueuecreateioctl Two error handling issues exist in xeexecqueuecreateioctl: 1. When xehwenginegroupaddexecqueue fails, the error path jumps to putexecqueue which skips xeexecqueuekill. If the VM...

CVE-2026-52976 drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl()

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Fix error cleanup in xeexecqueuecreateioctl Two error handling issues exist in xeexecqueuecreateioctl: 1. When xehwenginegroupaddexecqueue fails, the error path jumps to putexecqueue which skips xeexecqueuekill. If the VM...

CVE-2026-46317

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Reassign nestedmmus array behind mmulock kvm-arch.nestedmmus is walked under kvm-mmulock, including from the MMU notifier path kvmunmapgfnrange - kvmnesteds2unmap, which can run at any time. kvmvcpuinitnested...

CVE-2026-46189

In the Linux kernel, the following vulnerability has been resolved: RDMA/vmwpvrdma: Fix double free on pvrdmaallocucontext error path Sashiko points out that pvrdmauarfree is already called within pvrdmadeallocucontext, so calling it before triggers a double free...

SUSE CVE-2026-45978

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gblightslightconfig stores channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates the non-zero count and dereferences light-channels, which is NULL...

SUSE 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...

CVE-2026-45978

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gblightslightconfig stores channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates the non-zero count and dereferences light-channels, which is NULL...

UBUNTU-CVE-2026-45978

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gblightslightconfig stores channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates the non-zero count and dereferences light-channels, which is NULL...

CVE-2026-45978

The CVE-2026-45978 issue affects the Linux kernel (staging: greybus: lights). The underlying problem is in gb_lights_light_config(): it stores channel_count before allocating the channels array; if kcalloc() fails, the cleanup path may dereference a NULL light->channels. The fix is to allocate...

CVE-2026-45978 staging: greybus: lights: avoid NULL deref

In the Linux kernel, the following vulnerability has been resolved: staging: greybus: lights: avoid NULL deref gblightslightconfig stores channelcount before allocating the channels array. If kcalloc fails, gblightsrelease iterates the non-zero count and dereferences light-channels, which is NULL...

PT-2026-43845

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the greybus lights staging component. The function gb lights light config stores the channel count before the channels array is allocated. If the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: NFSv4.2: fixed issues related to nfs42sscopen. A destination server, when performing a COPY operation, should not accept the passed-in filehandle if it is not a regular filehandle. If the allocfilepseudo function fails, we nee...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: cxl: Fixed a memory leak in the error handling path. The bitmapzalloc function must be balanced with a corresponding bitmapfree function in the error handling path of afuallocateirqs...

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

In the Linux kernel, the following vulnerability has been resolved: ACPICA: Check that the null return value of ACPIALLOCATEZEROED in acpidbdisplayobjects is valid. ACPICA commit: 0d5f467d6a0ba852ea3aad68663cbcbd43300fd4 The ACPIALLOCATEZEROED function may fail, and objectinfo might be null. This...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: Fortify: Fixed the compiletimestrlen function under UBSANBOUNDSLOCAL conditions. With CONFIGFORTIFY=y and CONFIGUBSANLOCALBOUNDS=y enabled, we observed a runtime panic when running Android’s Compatibility Test Suite CTS. This iss...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerabilities have been resolved: NFC: nci: fixed a memory leak in nciallocatedevice The nfcmrvldisconnect function fails to free the hcidev field in the struct ncidev. This issue was fixed by freeing hcidev in ncifreedevice. BUG: Memory leak Unreferenced obje...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The validation of the request buffer size was added in smb2allocaterspbuf. The response buffer should be allocated in smb2allocaterspbuf before validation of the request. However, fields within the payload as well as the...