CVE-2026-31593

CVE-2026-31593 is a Linux kernel KVM SEV SNP issue. The vulnerability arises when updating an already-launched and encrypted vCPU state: attempting to sync the vCPU's VMSA can trigger an SEV-SNP cryptographic memory protection (RMP) violation, causing a host panic/DoS. Technical details across mu...

CVE-2026-31590 KVM: SEV: Drop WARN on large size for KVM_MEMORY_ENCRYPT_REG_REGION

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Drop WARN on large size for KVMMEMORYENCRYPTREGREGION Drop the WARN in sevpinmemory on npages overflowing an int, as the WARN is comically trivially to trigger from userspace, e.g. by doing: struct kvmencregion range =...

CVE-2026-31589 mm: call ->free_folio() directly in folio_unmap_invalidate()

In the Linux kernel, the following vulnerability has been resolved: mm: call -freefolio directly in foliounmapinvalidate We can only call filemapfreefolio if we have a reference to or hold a lock on the mapping. Otherwise, we've already removed the folio from the mapping so it no longer pins the...

CVE-2026-31586

In the Linux kernel, the following vulnerability has been resolved: mm: blk-cgroup: fix use-after-free in cgwbreleaseworkfn cgwbreleaseworkfn calls cssputwb-blkcgcss and then later accesses wb-blkcgcss again via blkcgunpinonline. If cssput drops the last reference, the blkcg can be freed...

CVE-2026-31584 media: mediatek: vcodec: fix use-after-free in encoder release path

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: fix use-after-free in encoder release path The fopsvcodecrelease function frees the context structure ctx without first cancelling any pending or running work in ctx-encodework. This creates a race window...

CVE-2026-31576 media: hackrf: fix to not free memory after the device is registered in hackrf_probe()

In the Linux kernel, the following vulnerability has been resolved: media: hackrf: fix to not free memory after the device is registered in hackrfprobe In hackrf driver, the following race condition occurs: CPU0 CPU1 hackrfprobe kzalloc; // alloc hackrfdev .... v4l2deviceregister; .... fd =...

CVE-2026-31564 LoongArch: KVM: Fix base address calculation in kvm_eiointc_regs_access()

In the Linux kernel, the following vulnerability has been resolved: LoongArch: KVM: Fix base address calculation in kvmeiointcregsaccess In function kvmeiointcregsaccess, the register base address is caculated from array base address plus offset, the offset is absolute value from the base address...

Security Bulletin: Vulnerabilities in kernel affects IBM Netezza Appliance

Summary The kernel package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVEs CVE-2025-21966, CVE-2025-37749, CVE-2025-21756 Vulnerability Details CVEID:CVE-2025-21966 DESCRIPTION: In the Linux kernel, the following vulnerability has been resolved: dm-flake...

Security Bulletin: Vulnerabilities in kernel affects IBM Netezza Appliance

Summary The kernel package is used by IBM Netezza Appliance . IBM Netezza Appliance has addressed the applicable CVEs CVE-2025-37803, CVE-2025-38392, CVE-2025-39825 Vulnerability Details CVEID:CVE-2025-37803 DESCRIPTION: In the Linux kernel, the following vulnerability has been resolved: udmabuf:...

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 the lack of null pointer checking in the kstrdup function, potentially leading to kernel crashes...

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 the functions lan966xfdmarxalloc and lan966xfdmainit. These functions do not properly destroy the...

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 the failure of the damoncall in damonsysfs, resulting in the repeatcallcontrol not being released...

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 a zero-division error in pixclock within tdfxfb...

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 an error in descriptor address calculation in the kvmatswapdesc function. The incorrect calculati...

Linux Distros Unpatched Vulnerability : CVE-2026-31534

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: smb: client: let senddone handle a completion without IBSENDSIGNALED With smbdirectsendbatch...

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 the improper use of initconst in media verisilicon, potentially leading to kernel crashes...

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 the fact that the bytes filled into the structure within the buildreport function are not cleared...

PT-2026-34934

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the hwmon powerz component during USB disconnection. When powerz disconnect frees the URB USB Request Block and releases the mutex, a subsequent call to...

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 a boundary-checking offset error in the checkwsleas function. This flaw may lead to a leak of...

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 a overflow in bcackers within tipc, potentially leading to broadcast blocking...