Linux has 8,801 CVEs on record between 2019 and 2026. Disclosure cadence is accelerating: 3618 in the last 90 days against 1301 in the 90 before. The busiest recent month was September 2026 with 2014. The median CVSS is 7.8 (high), with 520 rated critical. 0% have been exploited in the wild, in line with the corpus average. The median gap from publication to a KEV listing is 158 days (7 cases). The dominant weakness classes are CWE-416 (496) and CWE-476 (444). Most affected products: Linux (6450), linux_kernel (2349), kernel (1).
CVEs per month
Last 12 months, by publish date
- Exploited share
- 0% vs 1% corpus
- Median CVSS
- 7.8
- Publish → KEV
- 158 d median(7)
- Last 90 days
- 3618 prev 1301
Weakness classes
Products
- Linux 6450
- linux_kernel 2349
- kernel 1
- layer_2_tunneling_protocol 1
Worst active — by depth score
CVE-2025-39682Critical· 9.8In the Linux kernel, the following vulnerability has been resolved: tls: fix handling of zero-length records on the rx_list Each recvmsg() call must process either - only contiguous DATA records (any number of them) - one non-DATA re…80CVE-2025-22037High· 7.5In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix null pointer dereference in alloc_preauth_hash() The Client send malformed smb2 negotiate request80CVE-2026-43284High· 8.8In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags MSG_SPLICE_PAGES can attach pages from a pipe directly to an skb79CVE-2023-3867Critical· 9.1In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out of bounds read in smb2_sess_setup ksmbd does not consider the case of that smb2 session setup is in compound request76CVE-2026-53266High· 8.8In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: make ebt_snat ARP rewrite writable The ebtables SNAT target keeps the Ethernet source address rewrite behind skb_ensure_writable(skb, 0)74
Linux vulnerabilities
CVEs affecting Linux, newest first. Open any entry for full detail, references, and exploit status.
8801 CVEsRSS
CVE-2026-43401Nonecpufreq: intel_pstate: Fix NULL pointer dereference in update_cpu_qos_request()
In the Linux kernel, the following vulnerability has been resolved: cpufreq: intel_pstate: Fix NULL pointer dereference in update_cpu_qos_request() The update_cpu_qos_request() function attempts to initialize the 'freq' variable by der…
CVE-2026-43400Nonedrm/amdgpu: add upper bound check on user inputs in signal ioctl
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: add upper bound check on user inputs in signal ioctl Huge input values in amdgpu_userq_signal_ioctl can lead to a OOM and could be exploited. So check the…
CVE-2026-43411Nonetipc: fix divide-by-zero in tipc_sk_filter_connect()
In the Linux kernel, the following vulnerability has been resolved: tipc: fix divide-by-zero in tipc_sk_filter_connect() A user can set conn_timeout to any value via setsockopt(TIPC_CONN_TIMEOUT), including values less than 4. When a …
CVE-2026-43409Nonekprobes: avoid crash when rmmod/insmod after ftrace killed
In the Linux kernel, the following vulnerability has been resolved: kprobes: avoid crash when rmmod/insmod after ftrace killed After we hit ftrace is killed by some errors, the kernel crash if we remove modules in which kprobe probes. …
CVE-2026-43425Noneusb: image: mdc800: kill download URB on timeout
In the Linux kernel, the following vulnerability has been resolved: usb: image: mdc800: kill download URB on timeout mdc800_device_read() submits download_urb and waits for completion. If the timeout fires and the device has not respon…
CVE-2026-43416Nonepowerpc, perf: Check that current->mm is alive before getting user callchain
In the Linux kernel, the following vulnerability has been resolved: powerpc, perf: Check that current->mm is alive before getting user callchain It may happen that mm is already released, which leads to kernel panic. This adds the NULL…
CVE-2026-43420Noneceph: fix i_nlink underrun during async unlink
In the Linux kernel, the following vulnerability has been resolved: ceph: fix i_nlink underrun during async unlink During async unlink, we drop the `i_nlink` counter before we receive the completion (that will eventually update the `i_…
CVE-2026-43429NoneUSB: usbtmc: Use usb_bulk_msg_killable() with user-specified timeouts
In the Linux kernel, the following vulnerability has been resolved: USB: usbtmc: Use usb_bulk_msg_killable() with user-specified timeouts The usbtmc driver accepts timeout values specified by the user in an ioctl command, and uses thes…
CVE-2026-43427Noneusb: class: cdc-wdm: fix reordering issue in read code path
In the Linux kernel, the following vulnerability has been resolved: usb: class: cdc-wdm: fix reordering issue in read code path Quoting the bug report: Due to compiler optimization or CPU out-of-order execution, the desc->length updat…
CVE-2026-43428NoneUSB: core: Limit the length of unkillable synchronous timeouts
In the Linux kernel, the following vulnerability has been resolved: USB: core: Limit the length of unkillable synchronous timeouts The usb_control_msg(), usb_bulk_msg(), and usb_interrupt_msg() APIs in usbcore allow unlimited timeout d…
CVE-2026-43451Nonenetfilter: nfnetlink_queue: fix entry leak in bridge verdict error path
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_queue: fix entry leak in bridge verdict error path nfqnl_recv_verdict() calls find_dequeue_entry() to remove the queue entry from the queue data s…
CVE-2026-43432Noneusb: xhci: Fix memory leak in xhci_disable_slot()
In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Fix memory leak in xhci_disable_slot() xhci_alloc_command() allocates a command structure and, when the second argument is true, also allocates a completion…
CVE-2026-43439Nonecgroup: fix race between task migration and iteration
In the Linux kernel, the following vulnerability has been resolved: cgroup: fix race between task migration and iteration When a task is migrated out of a css_set, cgroup_migrate_add_task() first moves it from cset->tasks to cset->mg_t…
CVE-2026-43436NoneALSA: usb-audio: Check endpoint numbers at parsing Scarlett2 mixer interfaces
In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Check endpoint numbers at parsing Scarlett2 mixer interfaces The Scarlett2 mixer quirk in USB-audio driver may hit a NULL dereference when a malformed…
CVE-2026-43440Nonenet/mana: Null service_wq on setup error to prevent double destroy
In the Linux kernel, the following vulnerability has been resolved: net/mana: Null service_wq on setup error to prevent double destroy In mana_gd_setup() error path, set gc->service_wq to NULL after destroy_workqueue() to match the cle…
CVE-2026-43444Nonedrm/amdkfd: Unreserve bo if queue update failed
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Unreserve bo if queue update failed Error handling path should unreserve bo then return failed. (cherry picked from commit c24afed7de9ecce341825d8ab55a43a…
CVE-2026-43448Nonenvme-pci: Fix race bug in nvme_poll_irqdisable()
In the Linux kernel, the following vulnerability has been resolved: nvme-pci: Fix race bug in nvme_poll_irqdisable() In the following scenario, pdev can be disabled between (1) and (3) by (2). This sets pdev->msix_enabled = 0. Then, pc…
CVE-2026-43445Nonee1000/e1000e: Fix leak in DMA error cleanup
In the Linux kernel, the following vulnerability has been resolved: e1000/e1000e: Fix leak in DMA error cleanup If an error is encountered while mapping TX buffers, the driver should unmap any buffers already mapped for that skb. Beca…
CVE-2026-43449Nonenvme-pci: Fix slab-out-of-bounds in nvme_dbbuf_set
In the Linux kernel, the following vulnerability has been resolved: nvme-pci: Fix slab-out-of-bounds in nvme_dbbuf_set dev->online_queues is a count incremented in nvme_init_queue. Thus, valid indices are 0 through dev->online_queues −…
CVE-2026-43468Nonenet/mlx5: Fix deadlock between devlink lock and esw->wq
In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix deadlock between devlink lock and esw->wq esw->work_queue executes esw_functions_changed_event_handler -> esw_vfs_changed_event_handler and acquires the …
CVE-2026-43450Nonenetfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() nfnl_cthelper_dump_table() has a 'goto restart' that jumps to a label inside the for loop bod…
CVE-2026-43453Nonenetfilter: nft_set_pipapo: fix stack out-of-bounds read in pipapo_drop()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_pipapo: fix stack out-of-bounds read in pipapo_drop() pipapo_drop() passes rulemap[i + 1].n to pipapo_unmap() as the to_offset argument on every ite…
CVE-2026-43475Nonescsi: storvsc: Fix scheduling while atomic on PREEMPT_RT
In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Fix scheduling while atomic on PREEMPT_RT This resolves the follow splat and lock-up when running with PREEMPT_RT enabled on Hyper-V: [ 415.140818] BU…
CVE-2026-43473Nonescsi: mpi3mr: Add NULL checks when resetting request and reply queues
In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Add NULL checks when resetting request and reply queues The driver encountered a crash during resource cleanup when the reply and request queues were NUL…
CVE-2026-43472Noneunshare: fix unshare_fs() handling
In the Linux kernel, the following vulnerability has been resolved: unshare: fix unshare_fs() handling There's an unpleasant corner case in unshare(2), when we have a CLONE_NEWNS in flags and current->fs hadn't been shared at all; in t…
CVE-2026-43413Nonescsi: hisi_sas: Fix NULL pointer exception during user_scan()
In the Linux kernel, the following vulnerability has been resolved: scsi: hisi_sas: Fix NULL pointer exception during user_scan() user_scan() invokes updated sas_user_scan() for channel 0, and if successful, iteratively scans remaining…
CVE-2026-43419Noneceph: fix memory leaks in ceph_mdsc_build_path()
In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leaks in ceph_mdsc_build_path() Add __putname() calls to error code paths that did not free the "path" pointer obtained by __getname(). If ownership …
CVE-2026-43309Nonemd raid: fix hang when stopping arrays with metadata through dm-raid
In the Linux kernel, the following vulnerability has been resolved: md raid: fix hang when stopping arrays with metadata through dm-raid When using device-mapper's dm-raid target, stopping a RAID array can cause the system to hang unde…
CVE-2026-43298Nonedrm/amdgpu: Skip vcn poison irq release on VF
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Skip vcn poison irq release on VF VF doesn't enable VCN poison irq in VCNv2.5. Skip releasing it and avoid call trace during deinitialization. [ 71.9136…
CVE-2026-43353High· 7.8i3c: mipi-i3c-hci: Fix race in DMA ring dequeue
In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Fix race in DMA ring dequeue The HCI DMA dequeue path (hci_dma_dequeue_xfer()) may be invoked for multiple transfers that timeout around the same ti…