CVE-2026-98059

The Linux kernel contains a vulnerability where the sched_process_wait tracepoint argument is not correctly marked as nullable. Specifically, kernel_wait4() and kernel_waitid_prepare() can leave wo_pid as NULL . Because btf_ctx_access() types this argument as PTR_TRUSTED without PTR_MAYBE_NULL, t...

CVE-2026-98057

The Linux kernel contains a vulnerability in the ring-buffer component. The issue arises because the code utilized meta->nr_subbufs without verifying that it correctly matched nr_pages + 1, despite the system assuming these two values were identical. To resolve this, a check was added to the p...

CVE-2026-98055

The Linux kernel contains a vulnerability in the ASoC: Intel: avs component where the avs_pci_probe() function fails to properly handle return codes from snd_hdac_ext_bus_get_ml_capabilities() . Specifically, the error path for this function was not correctly accounted for. Additionally, the hlin...

CVE-2026-98056

The Linux kernel contains a vulnerability in the nvme driver where the nvme_scan_ns_list() function inefficiently processes stale namespaces. Specifically, it drops stale namespaces in gaps by iterating through every individual NSID one at a time. Because NSIDs are 32-bit, a sparse NSID space can...

CVE-2026-98054

The Linux kernel contains a vulnerability within the ASoC: Intel: avs component. The root cause is an unbalanced module reference count in the strace_open() function. Specifically, while strace_open() successfully invokes try_module_get() to take a module reference, it fails to release that refer...

CVE-2026-98053

The Linux kernel contains an out-of-bounds access vulnerability within the ASoC: Intel: avs component. The flaw exists in the avs_path_module_send_init_configs() function, where the code accesses entries in the ->init_configs array using indexes from the ->config_ids array. Because these ar...

CVE-2026-98052

A vulnerability exists in the Linux kernel 's bcmasp network driver. The bcmasp_xmit() function fails to clear the txcb->last field for non-final fragments of an SKB , leaving stale data in the descriptor slot. This can cause bcmasp_tx_reclaim() to incorrectly identify a mid-SKB fragment as th...

CVE-2026-98050

The Linux kernel contains a vulnerability in the mlxsw: spectrum_ptp component where mlxsw_sp1_ptp_ht_gc_collect() calls napi_gro_receive() from a PTP garbage-collection workqueue instead of the NAPI poll context. This leads to a race condition because the call mutates the NAPI instance's GRO lis...

CVE-2026-98051

The Linux kernel contains a vulnerability in the bcmasp networking component within the tx_spb_ring_full() function. The root cause is an improper loop initialization where next_index was reset on every iteration, causing the function to repeatedly test the same descriptor slot instead of checkin...

CVE-2026-98049

The Linux kernel contains a vulnerability where an arena 32-bit cmpxchg operation fails to perform a required zero extension. The root cause is that is_cmpxchg_insn() only matches BPF_ATOMIC, causing arena operations rewritten to BPF_PROBE_ATOMIC by bpf_convert_ctx_accesses() to miss the necessar...

CVE-2026-98048

The Linux kernel contains a vulnerability within the bpf subsystem where the mark_fastcall_pattern_for_call() function fails to ensure that "spill; call; fill" instruction series are not interrupted by a jump. This flaw causes the rewrite applied by bpf_remove_fastcall_spills_fills() to be unsoun...

CVE-2026-98047

The Linux kernel contains a vulnerability in the BPF subsystem where bpf_rbtree_add() fails to properly enforce callback restrictions during nested static subprogram calls. Because in_rbtree_lock_required_cb() only checks the innermost verifier frame, a subprogram can push a frame without the in_...

CVE-2026-98046

The Linux kernel contains a vulnerability where the bpf_btf_find_by_name_kind() helper is incorrectly treated as non-sleepable. Because the helper does not set might_sleep , the BPF verifier allows its use in non-sleepable contexts like BPF timer callbacks . This can lead to a condition where ano...

CVE-2026-98045

The Linux kernel contains a vulnerability where the faultable variants of bpf_get_stack() and bpf_get_task_stack() do not correctly set the might_sleep property. This allows these helpers to be called from non-sleepable regions, such as RCU or preemption-disabled regions, because the verifier may...

CVE-2026-98044

The Linux kernel contains a vulnerability in the BPF verifier where legacy packet-load instructions (BPF_LD_ABS or BPF_LD_IND ) used within synchronous callbacks trigger a "callback unexpected regs" verifier bug. Because check_ld_abs() models failed loads as implicit returns with R0 set to zero, ...

CVE-2026-98042

The Linux kernel contains a vulnerability in the bpf subsystem where check_cond_jmp_op() incorrectly handles snapshots of compared registers. Specifically, collect_linked_regs() might call clear_scalar_id() on the compared register if it exceeds the LINKED_REGS_MAX limit. Because the register is ...

CVE-2026-98043

The Linux kernel contains a vulnerability in the bpf subsystem where reg_not_null() incorrectly infers a register as non-NULL by examining its type alone. For pointer types allowing arithmetic, a runtime offset might result in a NULL pointer dereference if the offset is unbounded. The vulnerabili...

CVE-2026-98040

The Linux kernel contains a vulnerability in the BPF verifier where check_cond_jmp_op() incorrectly handles register-form NULL checks . When a nullable pointer rA is compared against a scalar rB known to be zero, the verifier lifts PTR_MAYBE_NULL from rA but fails to mark rB as precise. This allo...

CVE-2026-98041

The Linux kernel contains a vulnerability where the is_branch_taken() function fails to distinguish between BPF_JMP and BPF_JMP32 comparisons. Specifically, when processing a comparison such as if w1 != 0, the system incorrectly reports the jump as always taken. This issue occurs because the kern...

CVE-2026-98039

The Linux kernel contains a vulnerability in the BPF subsystem where map_kptr_match_type() fails to properly validate the MEM_PERCPU flag for BPF_KPTR_PERCPU fields. Because the subset test accepts allocations without the required flag, a plain bpf_obj_new() allocation can be stored in a __percpu...

CVE-2026-98038

The Linux kernel contains a vulnerability in the BPF subsystem where bpf_refcount_acquire() incorrectly treats certain borrowed RCU kptrs as owning references. Specifically, refcounted objects without a graph node appear as owning references even without an acquired state. This allows a program t...

CVE-2026-98037

The Linux kernel contains a vulnerability where a local kptr demoted to PTR_UNTRUSTED after an RCU read-side critical section ends retains the MEM_ALLOC flag. Because type_is_ptr_alloc_obj() recognizes any PTR_TO_BTF_ID with MEM_ALLOC as a live object, a kfunc can erroneously pass a NULL or stale...

CVE-2026-98036

The Linux kernel contains a vulnerability in the BPF subsystem where rhtab_map_update_elem() incorrectly initializes special fields when obtaining an element from bpf_mem_cache_alloc() . Because the allocator can return a recycled unit from RCU-pending lists before its destructor runs, reinitiali...

CVE-2026-98035

The Linux kernel contains a vulnerability in the BPF subsystem where rhtab_map_update_existing() and rhtab_delete_elem() incorrectly call bpf_obj_free_fields() during map operations. This is problematic because these operations can execute in an NMI context , where releasing complex fields like k...

CVE-2026-98034

The Linux kernel contains a vulnerability where the BPF verifier fails to mark a register as precise when it is known to contain zero during a scalar store into an untrusted kptr field. Because check_map_kptr_access() does not mark the register as precise, a state checkpoint with an imprecise zer...

CVE-2026-98033

The Linux kernel contains a vulnerability in its BPF subsystem where callback frame constructors incorrectly clear the map_uid field during initialization. Because map_uid is the unique identifier for inner maps sharing a template, clearing it allows different inner maps to appear identical. This...

CVE-2026-98032

The Linux kernel contains a vulnerability where concurrent subbuffer resizes can cause trace_pipe_raw readers to crash or result in uninitialized memory leaks to userspace due to the use of stale size values. The issue is addressed by modifying ring_buffer_alloc_read_page() to handle existing buf...

CVE-2026-98031

The Linux kernel is vulnerable to a null pointer dereference within the nexthop component. Specifically, the remove_nh_grp_entry() function prints the extack message when a listener fails to replace a reduced nexthop group; however, extack is not initialized and listeners are not required to set ...

CVE-2026-98030

The Linux kernel contains a vulnerability in the net: dsa: bcm_sf2 component where the bcm_sf2_cfp_rule_get_all() function fails to check the caller's buffer size (nfc->rule_cnt) when walking the cfp.unique bitmap into rule_locs[]. Because the ETHTOOL_GRXCLSRLALL ioctl does not require CAP_NET...

CVE-2026-98029

The Linux kernel contains a vulnerability in the nfp driver where the nfp_net_get_fs_loc() function fails to check the cmd->rule_cnt when dumping entries into the rule_locs[] buffer. Because ETHTOOL_GRXCLSRLALL does not require CAP_NET_ADMIN privileges and uses a user-supplied rule_cnt to size...

CVE-2026-98027

The Linux kernel contains a vulnerability in the net: dsa: mv88e6xxx driver. The mv88e6xxx_get_rxnfc() function incorrectly uses rxnfc->rule_cnt as a write index while dumping the policy IDR, which clobbers the input value representing the caller's buffer size. Because ETHTOOL_GRXCLSRLALL does...

CVE-2026-98028

The Linux kernel contains a vulnerability in the nfp_net_fs_add() function where a rule remains in the nn->fs.list if hardware reprogramming via nfp_net_fs_add_hw() fails. Because the counter nn->fs.count is decremented regardless of success, the list becomes one entry longer than the repor...

CVE-2026-98026

The Linux kernel contains a vulnerability in the net: bridge: mcast component where the br_multicast_del_port_group function unlists a port group without using the proper RCU helper to preserve the next pointer. Consequently, the port group is freed immediately without waiting for the RCU grace p...

CVE-2026-98025

A heap overflow vulnerability exists in the Linux kernel 's cx82310_eth USB network driver. The issue occurs when a router sends a reboot sentinel with a length of 0xffff. Because this specific length bypasses the standard MTU bound check , the driver fails to cap the size of the incomplete packe...

CVE-2026-98024

A vulnerability exists in the Linux kernel (s390/ism) where the ism_alloc_dmb() function incorrectly used kfree() instead of folio_put() during an error exit for memory allocated via folio_alloc(). This flaw could lead to slab allocator corruption . The fix involves using folio_put() and resettin...

CVE-2026-98022

The Linux kernel contains a vulnerability where several subsystems (pfifo_fast , tun , and tap ) allocate ring buffers based on dev->tx_queue_len without an upper bound. An unprivileged user using unshare -Urn can set an excessively large tx_queue_len to exhaust global memory via oversized rin...

CVE-2026-98023

The Linux kernel contains a vulnerability in the VXLAN driver where it fails to prevent the configuration of dynamic FDB entries that reference a nexthop ID. Because the per-nexthop FDB list is only protected by a per-device hash lock—which is insufficient when multiple VXLAN devices share the sa...

CVE-2026-98021

The Linux kernel contains a vulnerability where rtnl_create_link() assigns IFLA_TXQLEN directly to dev->tx_queue_len without proper validation. This allows a device created with an oversized txqueuelen (e.g., 500000) to bypass the S16_MAX cap, leading to oversized ring allocations in pfifo_fas...

CVE-2026-98019

The Linux kernel contains a vulnerability in the BPF subsystem where certain functions failed to mark underlying scalar registers as precise . Specifically, check_func_arg() allowed bpf_register_is_null() for nullable arguments without marking the register as precise, and check_helper_call() enfo...

CVE-2026-98020

A vulnerability exists in the Linux kernel 's pds_core component where a race condition can occur during a BAR unmap on reset. Specifically, the error path in pdsc_map_bars() within pdsc_reset_prepare() and pdsc_reset_done() can clear or iounmap cmd_regs without holding the devcmd_lock. Additiona...

CVE-2026-98017

The Linux kernel contains a vulnerability in the net/sched component where an RTM_NEWQDISC request can cause a clsact to bind a populated shared ingress block during ->init() . If the request contains an invalid TCA_RATE , the estimator setup fails, causing the unwind process to synchronously ...

CVE-2026-98018

A vulnerability exists in the Linux kernel within the net: mctp: i3c component. The root cause is that mctp_i3c_probe() drops the busdevs_lock prematurely after finding the matching bus. This allows a concurrent I3C_NOTIFY_BUS_REMOVE event to unregister and free the bus netdev before the probe ca...

CVE-2026-98016

The Linux kernel contains a use-after-free race condition within the net/mlx5e component, specifically in the sample_restore_put() function. The vulnerability occurs during the concurrent teardown of TC sample rules sharing the same restore context; a thread may re-read restore->count after dr...

CVE-2026-98014

The Linux kernel contains a vulnerability in the net/mlx5 driver related to E-Switch functionality. During FW-fatal recovery (where dev->state == INTERNAL_ERROR), a failure in esw_update_vport_rx_mode() leaves vport->allmulti_rule intact. This causes esw_update_vport_mc_promisc() to add ent...

CVE-2026-98015

The Linux kernel contains a use-after-free vulnerability in the net/mlx5: E-Switch component within the mlx5_eswitch_termtbl_put() function. The issue arises because the tt->ref_count cleanup check occurs after the termtbl_mutex has been released, allowing a race condition where one caller fre...

CVE-2026-98013

The Linux kernel contains a vulnerability in the net/sched component within the fq_pie qdisc. The fq_pie_change() function improperly accepts any quantum value from userspace, including a value of 1. When combined with a crafted size table where qdisc_pkt_len reaches approximately 2 GiB , a quant...

CVE-2026-98011

The Linux kernel contains a vulnerability in the net/sched: hhf component where the hhf_change() function accepts an unvalidated quantum from userspace. A user with CAP_NET_ADMIN privileges can provide a quantum of 1 combined with a crafted size table to cause the deficit-refill loop to spin appr...

CVE-2026-98012

The Linux kernel contains a vulnerability in the net/sched: sfq component where the sfq_change() function fails to properly restrict the quantum value. By providing a crafted size table causing qdisc_pkt_len to reach approximately 2 GiB, an attacker can set quantum=1 to trigger a deficit-refill l...

CVE-2026-98010

The Linux kernel contains a vulnerability in the net/sched subsystem where the drr_change_class() function fails to properly clamp the quantum value during a fallback to psched_mtu(). Specifically, while explicit zeros are rejected, the absence of a floor allows a crafted size table to cause qdis...

CVE-2026-98009

The Linux kernel contains a vulnerability in the net/sched: ets component where the ets_qdisc_change() function falls back to psched_mtu() without a floor for bands lacking an explicit quantum. An attacker with CAP_NET_ADMIN privileges can use a crafted size table to cause qdisc_pkt_len to reach ...