CVE-2026-43086

CVE-2026-43086 concerns the Linux kernel IPVS component. The vulnerability occurs in the error path of ip_vs_add_service when ip_vs_bind_scheduler() has succeeded and the local variable sched is set to NULL; if ip_vs_start_estimator() then fails, ip_vs_unbind_scheduler(svc, sched) is invoked with...

CVE-2026-31768

The CVE-2026-31768 issue affects the Linux kernel driver iio: adc: ti-adc161s626, where SPI read operations used non-DMA-safe stack memory. The mitigation is to allocate a DMA-safe buffer and perform spi_read() into that buffer, replacing stack-based buffers. Since the read would require only up ...

CVE-2026-43063

CVE-2026-43063 pertains to the Linux kernel XFS attribute recovery path. The vulnerability arises when xlog_recovery_iget* fails to yield a valid pointer and an ensuing irele operates on a dangling pointer, potentially enabling a local attacker to crash the system and cause a DoS. The Red Hat adv...

CVE-2026-43085

CVE-2026-43085: In the Linux kernel, nfnetlink_log did not initialize the nfgenmsg payload when emitting NLMSG_DONE terminators while batching multiple NFLOG messages, leaking four bytes of stale heap data to userspace. The issue is fixed by using nfnl_msg_put() to build the NLMSG_DONE terminator...

CVE-2026-43093

CVE-2026-43093 is a Linux kernel issue in the xsk (AF_XDP) subsystem where headroom validation for UMEM was tightened in xdp_umem_reg(), addressing potential memory corruption of skb_shared_info and insufficient space for minimum-sized Ethernet frames. The fix accounts for 128-byte alignment as a...

CVE-2026-43106

CVE-2026-43106 concerns the Linux kernel, specifically the cachefiles module. The issue is a faulty dentry reference accounting in cachefiles_cull() that could cause a lost reference, due to one code path not taking the extra reference required by cachefiles_bury_object(). The patch adjusts sever...

CVE-2026-43127

CVE-2026-43127 concerns the Linux kernel ntfs3 component, where a circular locking dependency between wnd->rw_lock and ni->file.run_lock creates an AB-BA deadlock. The deadlock scenario: ntfs_extend_mft() acquires ni->file.run_lock then wnd->rw_lock; run_unpack_ex() acquires wnd->r...

CVE-2026-43133

Summary: CVE-2026-43133 affects Linux kernel KVM’s nested virtualization (nSVM). When an L2 guest executes VMSAVE/VMLOAD and is not intercepted by L1, KVM may incorrectly use vmcb02 instead of vmcb01 for guest state handling due to an oversight in VMLOAD/VMSAVE emulation after a patch. The root c...

CVE-2026-43134

The CVE-2026-43134 entry affects the Linux kernel Bluetooth stack. The root cause is a missing encryption key size check in the L2CAP_LE_CONN_REQ handling, which could permit a malformed L2CAP LE connection request and trigger a protocol violation. A patch was added to perform the key-size valida...

CVE-2026-43146

CVE-2026-43146 relates to the Linux kernel iris media driver. The root cause was that internal buffers were enqueued in buffers->list before a DMA allocation completed. If dma_alloc_attrs() failed with -ENOMEM, a partially initialized buffer remained in the list, risking inconsistent state and...

CVE-2026-43152

The CVE-2026-43152 issue is in the Linux kernel HID subsystem (hid-pl): if probe errors during device init are not handled, a NULL pointer dereference can occur when a device using Force Feedback is interacted with. Exploitation details are not provided in the documents, but the vulnerability is ...

CVE-2026-43158

CVE-2026-43158 is a Linux kernel XFS vulnerability where freemap adjustments in leaf blocks when adding xattrs can collide with the entries area, causing an assertion and potential filesystem shutdown (DoS). The root cause is incorrect freemap sizing/update logic in xfs_attr3_leaf_add_work, leadi...

CVE-2026-43161

CVE-2026-43161 is a Linux kernel IOMMU VT-d vulnerability related to ATS invalidation when a PCIe endpoint loses connection. In scalable-mode-disabled/unsupported systems, an endpoint link drop can cause the IOMMU to wait indefinitely for an ATS invalidation, leading to a host hard-lock (notably ...

CVE-2026-43170

CVE-2026-43170 affects the Linux kernel USB DWC3 gadget driver. The vulnerability arises when dwc3_gadget_vbus_draw() is called from atomic context and may invoke PMIC APIs that sleep, risking kernel panic. The fix moves vbus_draw to a workqueue context, mitigating sleep in atomic operations. Aff...

CVE-2026-43181

The CVE-2026-43181 issue affects the Linux kernel GPIO/sysfs path: exporting a GPIO via sysfs and then unbinding the parent GPIO controller can leave the exported /sys/class/gpio attribute active, as the descriptor can no longer be dropped after the parent device is removed. The mitigation implem...

CVE-2026-43186

The CVE-2026-43186 issue affects the Linux kernel IOAM code path for IPv6 (IOAM6). A crafted packet could cause a heap-buffer overflow in __ioam6_fill_trace_data() on the receive path by setting nodelen inconsistently with trace->type, leading to writes beyond the allocated region and possible...

CVE-2026-43191

CVE-2026-43191 concerns the Linux kernel DRM/AMD display path, specifically the PHY FSM transition from TX_EN to PLL_ON for TMDS on DCN35. The issue stems from a backport from DCN401 intended to fix turning off the PHY PLL during TMDS disable, which could cause OTG to hang and affect DCHVM invali...

CVE-2026-43220

The CVE-2026-43220 entry concerns the Linux kernel iommu/amd component. The issue arises under concurrent TLB invalidations when CMD_COMPL_WAIT sequencing can be broken because cmd_sem_val was incremented outside the IOMMU spinlock, causing out-of-sequence command queuing and a disrupted completi...

CVE-2026-43239

The CVE-2026-43239 issue concerns the Linux kernel SMB client where two concurrent operations could race while updating network interfaces via query_interfaces(), risking an inconsistent state. The root cause is improper synchronization of iface_last_update under iface_lock. Public advisories con...

CVE-2026-43245

CVE-2026-43245 affects the Linux kernel NTFS driver. The root cause is that ntfs: ->d_compare() could block, with related memory-allocation issues in names_cachep. The authenticated fixes switch critical paths to non-blocking allocations: use kmalloc(PATH_MAX, GFP_NOWAIT) for the path/name han...

CVE-2026-43252

CVE-2026-43252 concerns the Linux kernel MPTCP subsystem (Multiswitch TCP). The issue arises in the in-kernel MPTCP path for removing endpoints, where code path __mark_subflow_endp_available/mptcp_pm_nl_fullmesh/mptcp_pm_nl_set_flags_all/mptcp_pm_nl_set_flags can trigger a kernel warning when a s...

CVE-2026-31722

In the Linux kernel, CVE-2026-31722 affects the USB gadget RNDIS function (f_rndis). The issue arises when the net_device is allocated during function instance creation and registered under the gadget device as its sysfs parent; during unbind, the parent is destroyed but the net_device can persis...

CVE-2026-31747

CVE-2026-31747 affects the Linux kernel code path for comedi me4000 firmware loading. The vulnerability arises when me4000_xilinx_download() blindly trusts the firmware file format and reads a header length from the first 4 bytes into file_length, then reads data from offset 16 of length file_len...

CVE-2026-31752

CVE-2026-31752 affects the Linux kernel bridge/networking path: br_nd_send validates IPv6 neighbor discovery options, and a malformed ND option could cause the parser to read beyond the intended option span or read an LLADDR payload that is too short. The issue is mitigated by option-length check...

CVE-2026-31777

The CVE-2026-31777 entry concerns the Linux kernel ALSA ctxfi driver. The root cause is the driver’s missing validation of the return value from daio_device_index(), leading to incorrect assumptions and potential system instability. Documents indicate this has been resolved via patches. Remediati...

CVE-2026-31785

Summary: CVE-2026-31785 affects the Linux kernel DRM XE pagefault path. The issue was that the page fault handler could permit write/atomic access to read-only VMAs. Root cause: xe_pagefault_service did not reject writes to read-only VMAs after the VMA lookup. Impact (as described): restoration o...

CVE-2026-43004

In the Linux kernel, CVE-2026-43004 affects the stm32-ospi driver. The root cause was a premature exit in the remove() callback when pm_runtime_resume_and_get() failed, causing cleanup of the SPI controller and other resources to be skipped. The fix removes the early return so cleanup always comp...

CVE-2026-43017

CVE-2026-43017 concerns the Linux kernel Bluetooth MGMT mesh path. It fixes missing validation of adv_data_len in mesh_send, which could allow out-of-bounds access in queued commands. The description and connected advisories indicate: affected software is the Linux kernel; root cause is failure t...

CVE-2026-43028

The CVE-2026-43028 vulnerability affects the Linux kernel netfilter x_tables component. The root cause is that certain names were not guaranteed to be nul-terminated before being passed to functions that expect C strings, which could lead to misprocessing, system instability, or hazardous behavio...

CVE-2026-43030

CVE-2026-43030 affects the Linux kernel BPF subsystem (regsafe). A logic error in regsafe() for pointers to packets when rold->reg->range == BEYOND_PKT_END and rcur->reg->range == N could allow a state where valid packet ranges are not explored, potentially enabling privilege escalati...

CVE-2026-43032

CVE-2026-43032 affects the Linux kernel NFC pn533/pn532 UART receive path. The root cause is that pn532_receive_buf() appends incoming bytes to dev->recv_skb and only clears the partial frame when a complete PN532 frame header is recognized, allowing a continuous invalid stream to grow the skb...

CVE-2026-43034

Root cause CVE-2026-43034: in the bnxt_en driver of the Linux kernel, ctxm->type is populated from the firmware response (resp->type) and later used to index fixed backing-store metadata arrays, risking memory corruption. The fix changes ctxm->type to come from the current loop variable ...

CVE-2026-43039

CVE-2026-43039 concerns the Linux kernel icssg-prueth driver. In ZC RX dispatch, emac_dispatch_skb_zc() allocates a new skb via napi_alloc_skb() but fails to copy the received packet data from the XDP buffer, causing uninitialized heap memory to be passed up the stack and potentially leaking kern...

CVE-2026-43255

The CVE-2026-43255 entry concerns the Linux kernel component for wireless Libertus (wifi: libertas). The vulnerability arises when usb_tx_block() submits cardp->tx_urb without guaranteeing the previous URB has completed; a second call during active URB state can trigger a warning (“URB submitt...

CVE-2026-43262

CVE-2026-43262 stems from a Linux kernel gfs2 fiemap page fault: gfs2_fiemap() calls iomap_fiemap() while holding the inode glock, risking recursive glock taking if the fiemap buffer maps to the same inode. The fix disables page faults for iomap_fiemap() and faults in the buffer by hand when need...

CVE-2026-43265

CVE-2026-43265 affects the Linux kernel KVM for x86. The vulnerability arises when a vCPU is put into a blocking state with an already-injected event or nested run, allowing a user or guest to manipulate vCPU state and trigger a spurious userspace exit (often KVM_EXIT_UNKNOWN) that could crash th...

CVE-2026-43268

Summary: CVE-2026-43268 concerns the Linux kernel where the hfsplus filesystem may incorrectly treat certain special inodes as regular files. The root cause is a mismatch in inode type handling for VFS operations after the may_open() adjustment, causing some inodes not to be treated as their true...

CVE-2026-43295

The CVE-2026-43295 entry concerns the Linux kernel rapidio subsystem. A memory-management bug in rio_scan_alloc_net() uses rio_free_net() instead of kfree() when idtab allocation fails, leaving the net object potentially unreleased. The fix replaces rio_free_net() with kfree(net) and sets mport-&...

CVE-2026-43298

CVE-2026-43298 affects the Linux kernel drm/amdgpu driver. The issue arises during deinitialization where VF (Virtual Function) instances may attempt to release a VCN poison IRQ that was not enabled in VCNv2.5, causing a kernel warning in amdgpu_irq_put() and a potential instability. The disclose...

CVE-2026-43313

CVE-2026-43313 relates to a NULL-pointer dereference in the ACPI processor driver (acpi_processor_errata_piix4) of the Linux kernel. The code first assigns an IDE device to dev, then overwrites it with an ISA device using two successive pci_get_subsys lookups. If the first lookup succeeds but the...

CVE-2026-43314

CVE-2026-43314 affects the Linux kernel device mapper (dm) driver. The issue arises when an I/O timeout failure is injected into a dm device; because dm does not implement its own timeout handler, the request can leak and hang indefinitely. The root cause is the presence of blk_should_fake_timeou...

CVE-2026-43343

CVE-2026-43343 affects the Linux kernel USB gadget f_subset code. The vulnerability stems from an unbalanced reference count: geth_alloc() increments the refcount, but geth_free() does not decrement it, which can block configuration of attributes via configfs after unlinking the function. The con...

CVE-2026-43350

In the Linux kernel, a vulnerability in the SMB client path can allow a malicious server to exploit an ACE with sid_unix_NFS_mode by providing an ACE with only two subauthorities. parse_dacl() would treat this as an NFS mode SID and read sub_auth[2], potentially reading four bytes past the end of...

CVE-2026-43353

The CVE-2026-43353 issue affects the Linux kernel i3c: mipi-i3c-hci module where the HCI DMA dequeue path (hci_dma_dequeue_xfer()) can be invoked by multiple transfers timing out concurrently. This race condition allowed parallel calls to interfere with each other while stopping/restarting the DM...

CVE-2026-43359

The CVE-2026-43359 detail points to a Linux kernel Btrfs issue: when calling the set received ioctl, repeated use of the same received UUID on multiple subvolumes could overflow metadata and abort the transaction, forcing the filesystem into read-only mode. The root cause is an item overflow duri...

CVE-2026-43363

CVE-2026-43363 concerns the Linux kernel x86 APIC subsystem. If, on resume from s2ram (S2/S3 wake), firmware re-enables x2APIC mode after the kernel has booted with x2APIC disabled, the system can run with x2APIC hardware but the kernel uses the xapic interface, leading to hangs. The issue is cau...

CVE-2026-43370

The CVE-2026-43370 issue affects the Linux kernel DRM/AMDGPU subsystem, specifically a use-after-free race in VM acquisition. Root cause: a non-atomic vm->process_info assignment could race when parent and child processes sharing a drm_file both attempt to acquire the same VM after fork(). The...

CVE-2026-43374

Summary: CVE-2026-43374 affects the Linux kernel networking code (net: nexthop). The vuln arises when removing a nexthop from a group: remove_nh_grp_entry() publishes the new group via rcu_assign_pointer() and then immediately frees the removed entry’s percpu stats with free_percpu(), while the s...

CVE-2026-43375

CVE-2026-43375 concerns the Linux kernel in the MCTP path. A leak occurs during probe failures because the driver saves a reference to the USB device but fails to release it on error paths. The fix drops the redundant device reference to prevent memory leaks when the probe fails, simplifying driv...

CVE-2026-43378

CVE-2026-43378 affects the Linux kernel SMB server (smb2_open). A use-after-free arises because the opinfo pointer obtained via rcu_dereference(fp->f_opinfo) is dereferenced after rcu_read_unlock(), creating a use-after-free window. Multiple sources (SUSE, Red Hat, Debian OSV, Ubuntu, Debian t...