CVE-2026-7639

Software installed and run as a non-privileged user may conduct a sequence of improper GPU system calls causing use after free, which helps in facilitating unprivileged memory access from a shader code. Triggering failure path in the MMU mapping logic by a malicious code could lead to incomplete...

CVE-2026-7639 GPU DDK - Page UAF read in PMMETA_PROTECT heap memory

Software installed and run as a non-privileged user may conduct a sequence of improper GPU system calls causing use after free, which helps in facilitating unprivileged memory access from a shader code. Triggering failure path in the MMU mapping logic by a malicious code could lead to incomplete...

CVE-2026-7639

CVE-2026-7639 describes a vulnerability where software running as a non-privileged user can trigger a sequence of improper GPU system calls that cause use-after-free in the driver, enabling unprivileged access to memory from shader code. The failure path in MMU mapping can prevent complete cleanu...

CVE-2026-53359

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad "KVM: x86: Fix shadow paging use-after-free due to unexpected GFN" fixed a shadow paging mismatch between stored and computed GFNs; the bug...

Unbreakable Enterprise kernel security update

5.4.17-2136.357.3.1 - KVM: x86: Fix shadow paging use-after-free due to unexpected role Paolo Bonzini Orabug: 39673892 - KVM: x86: Fix shadow paging use-after-free due to unexpected GFN Sean Christopherson Orabug: 39673892 - KVM: x86/MMU: Recursively zap nested TDP SPs when zapping last/only pare...

Unbreakable Enterprise kernel security update

5.15.0-322.203.3.2 - KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level Sean Christopherson Orabug: 39673886 - KVM: x86: Fix shadow paging use-after-free due to unexpected role Paolo Bonzini Orabug: 39673886 - KVM: x86: Fix shadow paging use-after-free due to unexpected...

CVE-2026-34192

Software installed and run as a non-privileged user may conduct improper GPU system calls to cause an error path leading to UAF of GPU page tables. The vulnerability allows physical memory allocated for MMU page tables to be used after being freed. This was caused by an error path that would not...

SUSE-SU-2026:2331-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2026-31405: media: dvb-net: fix OOB access in ULE extension header tables bsc1261700. - CVE-2026-31629: nfc: llcp: add missing return after LLCPCLOSED checks...

UBUNTU-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...

EUVD-2026-35406

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-2026-46317

CVE-2026-46317 concerns the Linux kernel KVM on arm64. A traversal of the array kvm->arch.nested_mmus[] occurs under kvm->mmu_lock, while kvm_vcpu_init_nested() reallocates the array and frees the old buffer with only kvm->arch.config_lock held. The fix moves the allocation outside the m...

CVE-2026-46317 KVM: arm64: Reassign nested_mmus array behind mmu_lock

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...

PT-2026-47754

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the KVM arm64 component where the kvm-arch.nested mmus array is accessed under the kvm-mmu lock, including within the MMU notifier path via the functions kvm unmap gfn...

CVE-2026-46113

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected GFN The shadow MMU computes GFNs for direct shadow pages using sp-gfn plus the SPTE index. This assumption breaks for shadow paging if the guest page tables are modifie...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: fs/proc/taskmmu: The issue of losing the “young/dirty” bits during the pagemap scan has been fixed. The function makeuffdwpwppte used to perform these operations was previously executed as follows: c pte = ptepgetptep;...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU. Attempting to run the ioviter unit test on a nommu system, such as the qemu kc705-nommu emulation, results in a crash. KTAP version 1 Subtest: ioviter Module: kunitioviter 1..9 BUG:...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: mmmremap.c: Avoid unnecessary calls to invalidrangestart/invalidaterangeend when using mremap with oldsize=0. If the mremap system call with oldsize=0 ends up in movepagetables, it will unnecessarily call...

Astra Linux – Vulnerability in Linux 5.10

A race condition was detected in the fs/proc/taskmmu.c file, which is part of the memory management sub-component in the Linux kernel. This issue may allow a local attacker with user privileges to cause a denial of service...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: arm: pgtable: Fix for NULL pointer dereference issue. When updatemmucacherange is called by updatemmucache, the vmf parameter is NULL, which can lead to a NULL pointer dereference issue in adjustpte. It is not possible to handle...

Astra Linux – Vulnerability in Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Fixed the error path in panfrostmmumapfaultaddr Subject: PATCH drm/panfrost: Fixed the error path in panfrostmmumapfaultaddr If some of the page allocations fail, we should not release the previous references to tho...