CVE-2026-64105

The CVE concerns the Linux kernel KVM for arm64 vgic. A failure during vCPU creation could leak private IRQs if allocation happened before a redistributor iodev registration failure. The fix adds a call to kvm_vgic_vcpu_destroy() on the kvm_vgic_vcpu_init() failure path, ensuring that private IRQ...

CVE-2026-64103

The CVE affects the Linux kernel SCSI ISCI code. A use-after-free can occur in device removal due to completion_tasklet not being killed after wait_for_stop(), allowing IRQ-driven scheduling to requeue and potentially touch ihost structures after teardown. The issue is in isci_host_alloc()/ismsi_...

CVE-2026-64104

CVE-2026-64104 (Linux kernel) affects virt: sev-guest where set_memory_encrypted()/set_memory_decrypted() can fail leaving pages in an unknown state, potentially unencrypted and not safely returnable to the buddy allocator. The provided documentation notes that to avoid this, the pages should not...

CVE-2026-64102

CVE-2026-64102 affects the Linux kernel RDMA/siw path. A malicious siw peer can send an iWARP FPDU whose MPA length (mpa_len) is smaller than the fixed DDP/RDMAP header for the announced opcode, triggering an underflow in fpdu_part_rem during siw_tcp_rx_data and leading to a potential out-of-boun...

CVE-2026-64101

The CVE describes a Linux kernel vulnerability in the fwctl subsystem (fwctl: pds) where the RPC input buffer is allocated using fwctl_rpc.in_len and then cast to struct fwctl_rpc_pds by pdsfc_fw_rpc(), before validating that the buffer is large enough. The subsequent call to pdsfc_validate_rpc()...

CVE-2026-64100

CVE-2026-64100 : In the Linux kernel, the drm/msm driver fix addresses a deadlock in the shrinker path under PROVE_LOCKING with Snapdragon X1 and VM reclaim pressure. The issue occurs when kswapd (fs_reclaim) holds the fs_reclaim lock while the MSM shrinker calls dma_resv_lock, creating a circula...

CVE-2026-64098

CVE-2026-64098 affects the Linux kernel’s VirtIO GPU driver. The issue arises when virtio_gpu_cursor_plane_update() and virtio_gpu_resource_flush() acquire the framebuffer dma_resv via virtio_gpu_array_lock_resv() and ignore the return value. The lock can fail (-EINTR or -ENOMEM), leaving the res...

CVE-2026-64099

The CVE-2026-64099 entry describes a Linux kernel vulnerability in DRM/V3D where CPU job query arrays could be read after the job is freed on error paths, causing a use-after-free. The root cause is reading cpu_job after v3d_job_cleanup() and in early failure paths, where v3d_job_deallocate() zer...

CVE-2026-64097

Summary: Linux kernel: drm/amd/display GPIO pin LUT table size validation vulnerability. The get_gpio_i2c_info() and bios_parser_get_gpio_pin_info() parsers derive element counts from table_header.structuresize and iterate gpio_pin[] entries. If VBIOS structuresize exceeds actual mapped data, an ...

CVE-2026-64095

Concrete details confirm CVE-2026-64095 affects Linux kernel batman-adv (bla.num_requests) where double decrement occurs due to non-atomic checks of request_sent and bla.num_requests. The root cause: several code paths modify state and counts without atomic synchronization, allowing TOCTOU races....

CVE-2026-64096

Summary of CVE-2026-64096 (Linux kernel, batman-adv): A use-after-free in batman-adv multicast origin node release was fixed. The function batadv_mcast_purge_orig() removed entries from RCU-protected hlists without waiting for an RCU grace period, risking access to freed memory by concurrent read...

CVE-2026-64093

The CVE concerns batman-adv (Linux kernel) where tp_meter cleanup caused a potential re-arm of a timer due to two-step deletion. batadv_tp_sender_cleanup() called timer_delete_sync() followed by timer_delete(); the fix replaces both calls with a single timer_shutdown_sync() that waits for any run...

CVE-2026-64094

The CVE-2026-64094 entry concerns the Linux kernel's batman-adv component. A NULL-pointer dereference can occur when a hardif is retrieved as the primary interface of a meshif without holding rtnl_lock, and the mesh interface becomes decoupled; the meshif pointer from the primary hardif may be NU...

CVE-2026-64091

CVE-2026-64091 affects batman-adv in the Linux kernel, addressing a TOCTOU race in the TT-based TVLV generation for reported VLANs. The issue arises because the buffer used to hold VLAN entries is sized based on a prefilter that may undercount or overcount VLANs during parallel updates, while the...

CVE-2026-64092

Technical details about CVE-2026-64092 are not publicly available in the provided documents. Monitor for updates from official advisories.

CVE-2026-64090

CVE-2026-64090 concerns the Linux kernel’s batman-adv TT handling. The vulnerability arises when a TT reply (direct or via the global TT state) results in an empty VLAN, creating potential inconsistency states. The fix, implemented in commit 16116dac2339, adds checks to the local TT response code...

CVE-2026-64089

CVE-2026-64089 affects the Linux kernel Batman-Adv (batman-adv) TT code. The root cause is that last_changeset_len was declared as s16, which can wrap when values exceed 32767, producing a negative value that then propagates into a widened s32. This leads batadv_tt_prepare_tvlv_local_data() to al...

CVE-2026-64088

CVE-2026-64088 relates to the Linux kernel’s batman-adv code, where batadv_orig_node::tt_buff_len was defined as a signed 16-bit int (s16) but not intended to hold negatives. When values exceed 32767, they wrap to negative values, and in batadv_send_other_tt_response the field is widened to s32, ...

CVE-2026-64087

In the Linux kernel hwmon subsystem (pmbus/adm1266), adm1266_nvmem_read_blackbox() could loop using a record_count from BLACKBOX_INFO, risking a read past data->dev_mem when a device reports >32 records (due to firmware, bus issues, or 0xff). The fix caps the record_count at ADM1266_BLACKBO...

CVE-2026-64085

The CVE describes a Linux kernel hwmon issue (adm1266) where adm1266_pmbus_block_xfer() copies a device-supplied block payload into a caller buffer using msgs[1].buf[0] as length. The helper may write more than the protected ADM1266_BLACKBOX_SIZE (64 bytes), while the caller advances read_buff in...

CVE-2026-64086

The CVE-2026-64086 issue affects the Linux kernel PMBUS adm1266 hwmon path. A read transaction for the pmbus_block_xfer path set .len to ADM1266_PMBUS_BLOCK_MAX + 2 while read_buf was declared as ADM1266_PMBUS_BLOCK_MAX + 1. For max-length block responses, this allowed writing 257 bytes into a 25...

CVE-2026-64084

Summary: CVE-2026-64084 affects the Linux kernel’s hwmon pmbus/adm1266 driver. The bug occurs in adm1266_gpio_get_multiple() when iterating the PDIO portion of the caller-supplied mask. It uses for_each_set_bit_from with an upper bound of ADM1266_GPIO_NR + ADM1266_PDIO_STATUS (0xE9/233) instead o...

CVE-2026-64083

The CVE-2026-64083 vulnerability affects Linux kernel hwmon drivers for pmbus/adm1266. adm1266_gpio_get() and adm1266_gpio_get_multiple() build a pin-status word from i2c_smbus_read_block_data() without validating the returned length, allowing 0- or 1-byte responses to yield uninitialized stack d...

CVE-2026-64082

The CVE-2026-64082 issue affects the Linux kernel on riscv where uninitialized cregs data could be written to a task’s pt_regs during error paths. Specifically, compat_riscv_gpr_set() and compat_restore_sigcontext() call cregs_to_regs() unconditionally, even when user_regset_copyin() or __copy_fr...

CVE-2026-64081

CVE-2026-64081 concerns the Linux kernel firmware path (arm_ffa) and fixes how framework notifications in the shared RX buffer are validated. The issue arose from indirect messages where an incorrect offset/size could enable misinterpretation of payloads. The fix validates the reported offset and...

CVE-2026-64079

The CVE-2026-64079 issue affects the Linux kernel netfilter x_tables path. During arp/ipt registration, the per-netns table is added to the list before allocating per-netns hook ops, leaving a window where the table appears with ops=NULL. If a concurrent pernet exit occurs, nf_unregister_net_hook...

CVE-2026-64080

Summary: CVE-2026-64080 affects Linux kernel firmware: arm_ffa snapshot notifier callbacks under lock. The issue arises when notification handlers look up a notifier entry under notify_lock, then drop the lock and dereference the entry, allowing a concurrent unregister to free the entry and cause...

CVE-2026-64078

The CVE-2026-64078 entry concerns a Linux kernel netfilter/x_tables issue that was resolved by introducing and using xtables_unregister_table_exit (replacing xt_unregister_table()) and adding a second-stage helper to unlink the dying table from the list, free hook ops, and emit an audit notificat...

CVE-2026-64077

The CVE-2026-64077 issue concerns the Linux kernel netfilter ebtables component, resolved by moving to a two-stage removal scheme. The root cause is an incompatibility in ebt_table layout that prevents reusing xt helpers. As a remediation, table->ops assignment is now performed while the ebt m...

CVE-2026-64076

The CVE concerns the Linux kernel netfilter/bridge eb_tables initialization, specifically a close module init race. Technical details across the documents describe a race condition where sockopts may be exposed globally after nf_register_sockopt() completes, implying that sockopt registration ord...

CVE-2026-64075

The CVE describes a Linux kernel issue in fprobe: after registering fprobe to an rcu-hlist via a function-graph tracer rewrite, unregister_fprobe() did not wait for the RCU grace period, risking use-after-free when the fprobe is released soon after unregistering in fprobe events and sample code. ...

CVE-2026-64074

The CVE-2026-64074 issue affects the Linux kernel, specifically a slab out-of-bounds write in statmount_mnt_idmap inside fs/statmount. When building a string with seq_printf(), an overflow may occur and manual increment of seq->count can push it to size+1, causing seq_has_overflowed() to miss ...

CVE-2026-64073

Summary of CVE-2026-64073 (Linux kernel): A use-after-free in irq_work_single() on PREEMPT_RT was fixed. On PREEMPT_RT, non-HARD irq_work runs in per-CPU kthreads via run_irq_workd(), and irq_work_sync() uses rcuwait() to wait for BUSY==0. After irq_work_single() clears BUSY with atomic_cmpxchg()...

CVE-2026-64071

The CVE-2026-64071 issue is a use-after-free in the Linux kernel nvme-pci path. In nvme_free_host_mem(), dev->hmb_sgt is freed via dma_free_noncontiguous() but the pointer is not cleared, so a second call in the nvme_probe() error path (nvme_setup_host_mem() succeeds, nvme_set_host_mem() fails...

CVE-2026-64072

The CVE-2026-64072 vulnerability affects the Linux kernel, specifically the NVMe I/O path. It describes a fix for a bio leak that occurred when an integrity mapping failed during mapping; the code could leak a local bio because it was treated as NULL. The root cause is that the kernel attempted t...

CVE-2026-64070

The CVE-2026-64070 issue affects the Linux kernel on powerpc/hv-gpci where four sysfs show() callbacks leak preempt_disable due to not pairing get_cpu_var with put_cpu_var on success paths. Repeated reads can increment preempt_count, leaving preemption disabled and potentially triggering a usermo...

CVE-2026-64069

The CVE-2026-64069 issue affects the Linux kernel netfs component where cancellation of DIO-read and single-read subrequests could fail during preparation, potentially leaving resources allocated or causing unexpected behavior. The root cause involves subrequests that were already added to the st...

CVE-2026-64068

The CVE-2026-64068 issue affects the Linux kernel netfs subsystem, specifically a missing lock around retrying and adding subrequests (netfs_retry_read_subrequests() and netfs_retry_write_stream()) which could compromise integrity and availability. The vulnerability arises from not taking the app...

CVE-2026-64066

The CVE-2026-64066 entry describes a Linux kernel issue in the netfs component, specifically netfs_read_to_pagecache(). The vulnerability arises because the function does not pause the generation of new subrequests when an already-issued subrequest fails. A fix was implemented to pause subrequest...

CVE-2026-64067

The CVE-2026-64067 issue concerns the Linux kernel netfs component, where stream->subrequests was accessed without proper memory barriers. The vulnerability arises from lockless access to the list of subrequests, allowing race conditions when netfs_collect_read_results() and netfs_collect_writ...

CVE-2026-64065

CVE-2026-64065 concerns a Linux kernel issue in the netfs path: a VM_BUG_ON_FOLIO() problem within netfs_write_begin() can trigger a kernel BUG at mm/filemap.c:1504 (observed as an Oops with a reproduction via generic/013). The provided descriptions indicate this is a resolved vulnerability in th...

CVE-2026-64064

The CVE-2026-64064 entry concerns a Linux kernel netfs issue where netfs_invalidate_folio() could leave a folio’s dirty state inconsistent after truncation, potentially causing a read path (netfs_read_folio) to oops when mmap reads a dirty folio. A fix was implemented to call folio_cancel_dirty()...

CVE-2026-64063

CVE-2026-64063 concerns the Linux kernel netfs subsystem, where streaming writes could partially overwrite dirty folios without correctly updating state. The issue occurred when a partially written streaming page was overwritten by a subsequent write: netfs_perform_write() could copy over the pag...

CVE-2026-64062

The CVE-2026-64062 issue affects the Linux kernel netfs subsystem, specifically a deadlock risk in write-through mode. The fix in netfs_advance_writethrough() ensures the supplied folio is always unlocked and marked dirty if not yet at the end; however, writeback cannot occur until the folio is d...

CVE-2026-64061

The CVE-2026-64061 entry concerns a use-after-free in the Linux kernel netfs layer (netfs_read_gaps) where the sink page is prematurely released during a network read, enabling memory corruption. The issue was observed via KASAN in a cifsd-based trace and is described across multiple vendors (Red...

CVE-2026-64060

In the Linux kernel netfs subsystem, CVE-2026-64060 fixes a leak of the request reference in netfs_write_begin() when an error occurs in netfs_wait_for_read(). The issue was resolved by adjusting error handling to avoid leaking the request’s ref. This entry contains concrete details about the aff...

CVE-2026-64059

The CVE affects the Linux kernel netfs code, specifically netfs_perform_write(), where folio->private was not reliably managed across NULL, NETFS_FOLIO_COPY_TO_CACHE, and netfs_folio/group pointers. This could lead to multiple attachments of private data, folio ref leaks, and leaks of netfs_fo...

CVE-2026-64057

The CVE-2026-64057 entry concerns the Linux kernel AFS (Andrew File System) subsystem and a locking flaw around symbolic links processed by afs_get_link(). The root causes described across sources are: (1) no locking around afs_read_single() to prevent races between concurrent ->get_link() cal...

CVE-2026-64058

The CVE-2026-64058 issue affects the Linux kernel netfs component, specifically netfs_read_folio(), which did not wait for ongoing writeback to finish. The root cause was that folio->private could be cleaned up by the collector before the writeback flag was cleared, leading to unreliable trust...

CVE-2026-64056

The CVE covers a Linux kernel issue in the Cortina ethernet driver. The RX socket buffer (SKB) used to assemble fragments in gmac_rx() was a static local variable, which could race on devices with two ethernet ports (Gemini) when both ports are active. The fix makes the RX SKB a per-port variable...