CVE-2026-43462

In the Linux kernel, the following vulnerability has been resolved: net: spacemit: Fix error handling in emactxmemmap The DMA mappings were leaked on mapping error. Free them with the existing emacfreetxbuf function...

CVE-2026-43393 btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix chunk map leak in btrfsmapblock after btrfschunkmapnumcopies Fix a chunk map leak in btrfsmapblock: if we return early with -EINVAL, we're not freeing the chunk map that we've just looked up...

CVE-2026-43393 btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies()

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix chunk map leak in btrfsmapblock after btrfschunkmapnumcopies Fix a chunk map leak in btrfsmapblock: if we return early with -EINVAL, we're not freeing the chunk map that we've just looked up...

CVE-2026-43393

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix chunk map leak in btrfsmapblock after btrfschunkmapnumcopies Fix a chunk map leak in btrfsmapblock: if we return early with -EINVAL, we're not freeing the chunk map that we've just looked up...

CVE-2026-43393

CVE-2026-43393 concerns the Linux kernel’s btrfs file system. The vulnerability is a memory/resource leak in btrfs_map_block() where, on an early error return (-EINVAL), the allocated chunk map is not freed, potentially leading to memory exhaustion and instability. Several connected advisories re...

CVE-2026-43347

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: monaco: Reserve full Gunyah metadata region We observe spurious "Synchronous External Abort" exceptions ESR=0x96000010 and kernel crashes on Monaco-based platforms. These faults are caused by the kernel...

UBUNTU-CVE-2026-43302

In the Linux kernel, the following vulnerability has been resolved: drm/v3d: Set DMA segment size to avoid debug warnings When using V3D rendering with CONFIGDMAAPIDEBUG enabled, the kernel occasionally reports a segment size mismatch. This is because 'maxsegsize' is not set. The kernel defaults ...

CVE-2026-43347

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: monaco: Reserve full Gunyah metadata region We observe spurious "Synchronous External Abort" exceptions ESR=0x96000010 and kernel crashes on Monaco-based platforms. These faults are caused by the kernel...

UBUNTU-CVE-2026-43347

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: monaco: Reserve full Gunyah metadata region We observe spurious "Synchronous External Abort" exceptions ESR=0x96000010 and kernel crashes on Monaco-based platforms. These faults are caused by the kernel...

CVE-2026-43347

The CVE-2026-43347 details a Linux kernel arm64 Monaco issue where firmware mistakenly reports a Gunyah hypervisor memory region as available. The kernel may allocate from hypervisor-owned memory, causing spurious ESR=0x96000010 aborts and kernel crashes. The fix adds a reserved-memory carveout f...

CVE-2026-43347

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: monaco: Reserve full Gunyah metadata region We observe spurious "Synchronous External Abort" exceptions ESR=0x96000010 and kernel crashes on Monaco-based platforms. These faults are caused by the kernel...

CVE-2026-43344

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix die ID init and look up bugs In snbeppci2phymapinit, in the nrnodeids 8 path, uncoredevicetodie may return -1 when all CPUs associated with the UBOX device are offline. Remove the WARNONONCEdieid == -1...

CVE-2026-43333 bpf: reject direct access to nullable PTR_TO_BUF pointers

In the Linux kernel, the following vulnerability has been resolved: bpf: reject direct access to nullable PTRTOBUF pointers checkmemaccess matches PTRTOBUF via basetype which strips PTRMAYBENULL, allowing direct dereference without a null check. Map iterator ctx-key and ctx-value are PTRTOBUF |...

CVE-2026-43333

CVE-2026-43333 (Linux kernel BPF): The vulnerability arises from direct dereference of nullable PTR_TO_BUF pointers in check_mem_access(), where PTR_TO_BUF is matched via base_type() after PTR_MAYBE_NULL stripping, allowing NULL dereferences in map iterators ctx->key/value (NULL on stop callba...

CVE-2026-42278

UltraDAG is a minimal DAG-BFT blockchain in Rust. Prior to commit fb6ef59, the UltraDAG StateEngine implementation of SmartTransferTx contains a critical logic flaw in its policy enforcement pipeline. When a transaction originates from a "Pocket" a derived sub-address documented in the protocol a...

CVE-2026-42278 UltraDAG: Smart Account Spending Policy Bypass via Pockets

UltraDAG is a minimal DAG-BFT blockchain in Rust. Prior to commit fb6ef59, the UltraDAG StateEngine implementation of SmartTransferTx contains a critical logic flaw in its policy enforcement pipeline. When a transaction originates from a "Pocket" a derived sub-address documented in the protocol a...

Linux Kernel Security Vulnerabilities

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 releasing the chunk map after calling btrfschunkmapnumcopies in btrfsmapblock. This...

CVE-2026-43393: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix chunk map leak in btrfsmapblock after btrfschunkmapnumcopies Fix a chunk map leak in btrfsmapblock: if we return early with -EINVAL, we're not freeing the chunk map that we've just looked up...

PT-2026-39054

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A chunk map leak occurs in the btrfs map block function after the btrfs chunk map num copies function is called. The leak happens when the system returns early with an -EINVAL error,...

CVE-2026-43347: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: monaco: Reserve full Gunyah metadata region We observe spurious "Synchronous External Abort" exceptions ESR=0x96000010 and kernel crashes on Monaco-based platforms. These faults are caused by the kernel...