SUSE CVE-2026-31592

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

SUSE CVE-2026-31654

In the Linux kernel, the following vulnerability has been resolved: mm/vma: fix memory leak in mmapregion commit 605f6586ecf7 "mm/vma: do not leak memory when .mmapprepare swaps the file" handled the success path by skipping getfile via filedoesntneedget, but missed the error path. When /dev/zero...

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 nested VLAN headers in actcsum not being linearly present. This vulnerability may lead to the...

CVE-2026-31590

A flaw was found in the Linux kernel, specifically within the Kernel-based Virtual Machine KVM subsystem's Secure Encrypted Virtualization SEV feature. A local user could exploit this vulnerability by providing an excessively large memory region size when using the KVMMEMORYENCRYPTREGREGION...

CVE-2026-31654

In the Linux kernel, the following vulnerability has been resolved: mm/vma: fix memory leak in mmapregion commit 605f6586ecf7 "mm/vma: do not leak memory when .mmapprepare swaps the file" handled the success path by skipping getfile via filedoesntneedget, but missed the error path. When /dev/zero...

DEBIAN-CVE-2026-31590

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 =...

DEBIAN-CVE-2026-31592

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

CVE-2026-31590

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-2026-31592

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

EUVD-2026-25547

In the Linux kernel, the following vulnerability has been resolved: mm/vma: fix memory leak in mmapregion commit 605f6586ecf7 "mm/vma: do not leak memory when .mmapprepare swaps the file" handled the success path by skipping getfile via filedoesntneedget, but missed the error path. When /dev/zero...

CVE-2026-31654

CVE-2026-31654 affects the Linux kernel mm/vma path for mmap-backed shared mappings (notably /dev/zero). The root cause was a memory leak: when __mmap_new_vma() fails after shmem_zero_setup_desc() allocates a replacement shmem file, that new file isn’t released in the error path, leaving an unref...

CVE-2026-31654 mm/vma: fix memory leak in __mmap_region()

In the Linux kernel, the following vulnerability has been resolved: mm/vma: fix memory leak in mmapregion commit 605f6586ecf7 "mm/vma: do not leak memory when .mmapprepare swaps the file" handled the success path by skipping getfile via filedoesntneedget, but missed the error path. When /dev/zero...

CVE-2026-31654

In the Linux kernel, the following vulnerability has been resolved: mm/vma: fix memory leak in mmapregion commit 605f6586ecf7 "mm/vma: do not leak memory when .mmapprepare swaps the file" handled the success path by skipping getfile via filedoesntneedget, but missed the error path. When /dev/zero...

CVE-2026-31654

In the Linux kernel, the following vulnerability has been resolved: mm/vma: fix memory leak in mmapregion commit 605f6586ecf7 "mm/vma: do not leak memory when .mmapprepare swaps the file" handled the success path by skipping getfile via filedoesntneedget, but missed the error path. When /dev/zero...

CVE-2026-31654 mm/vma: fix memory leak in __mmap_region()

In the Linux kernel, the following vulnerability has been resolved: mm/vma: fix memory leak in mmapregion commit 605f6586ecf7 "mm/vma: do not leak memory when .mmapprepare swaps the file" handled the success path by skipping getfile via filedoesntneedget, but missed the error path. When /dev/zero...

EUVD-2026-25485

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

CVE-2026-31592

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

CVE-2026-31592 KVM: SEV: Protect *all* of sev_mem_enc_register_region() with kvm->lock

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

CVE-2026-31592 KVM: SEV: Protect *all* of sev_mem_enc_register_region() with kvm->lock

In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect all of sevmemencregisterregion with kvm-lock Take and hold kvm-lock for before checking sevguest in sevmemencregisterregion, as sevguest isn't stable unless kvm-lock is held or KVM can guarantee KVMSEVINIT2 has...

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 =...