Linux has 7,142 CVEs on record between 2019 and 2026. Disclosure cadence is accelerating: 3448 in the last 90 days against 811 in the 90 before. The busiest recent month was September 2026 with 1985. The median CVSS is 7.8 (high), with 513 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 213 days (6 cases). The dominant weakness classes are CWE-416 (492) and CWE-476 (436). Most affected products: Linux (4791), 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
- 213 d median(6)
- Last 90 days
- 3448 prev 811
Weakness classes
Products
- Linux 4791
- 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.
7142 CVEsRSS
CVE-2026-99083High· 8.8ksmbd: fix heap out-of-bounds write in krb5_authenticate()
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix heap out-of-bounds write in krb5_authenticate() In krb5_authenticate(), out_len is calculated to determine available headroom in response_buf for the incomi…
CVE-2026-99078Critical· 9.8net/mlx5e: Prevent stale XSK buffer release on MPWQE refill retry
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Prevent stale XSK buffer release on MPWQE refill retry With AF_XDP on a striding RQ, mlx5e defers releasing XSK buffers until an MPWQE is refilled. If XSK a…
CVE-2026-99077High· 7.4ipv4: udp: Create exceptions before socket matching
In the Linux kernel, the following vulnerability has been resolved: ipv4: udp: Create exceptions before socket matching Currently, when ICMP Fragmentation Needed and Redirect Message packets are locally delivered and quote a UDP packet…
CVE-2026-99082High· 8.8KVM: x86: Use active memslots for the per-vCPU MMIO cache
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Use active memslots for the per-vCPU MMIO cache KVM tags the per-vCPU MMIO cache with a memslot generation so that a memslot update invalidates cached MMIO i…
CVE-2026-99080Nonefs: Free any excess xarray nodes in clear_inode()
In the Linux kernel, the following vulnerability has been resolved: fs: Free any excess xarray nodes in clear_inode() For many years we've had a hard to hit leak of xarray nodes. Hugh documented it well in commit 786b31121a2c. Recent…
CVE-2026-99085Nonesched_ext: Fix CPU hotplug hang when a dying CPU's tasks sit in the BPF scheduler
In the Linux kernel, the following vulnerability has been resolved: sched_ext: Fix CPU hotplug hang when a dying CPU's tasks sit in the BPF scheduler A CPU going down has to empty its own rq. Its hotplug thread waits in sched_cpu_wait_…
CVE-2026-99084Nonereaddir: take no inode lock on an immutable directory
In the Linux kernel, the following vulnerability has been resolved: readdir: take no inode lock on an immutable directory iterate_dir() takes the directory's i_rwsem shared and holds it across ->iterate_shared(). For a directory that n…
CVE-2026-99086Nonedm-integrity: validate the superblock on resume
In the Linux kernel, the following vulnerability has been resolved: dm-integrity: validate the superblock on resume dm_integrity_resume() re-reads the superblock from the device so that it picks up the flags and the recalculate positio…
CVE-2026-99087Nonedm-integrity: fix NULL pointer dereference when the 'R' flag is used
In the Linux kernel, the following vulnerability has been resolved: dm-integrity: fix NULL pointer dereference when the 'R' flag is used If the dm-integrity device has the SB_FLAG_DIRTY_BITMAP flag set and the user activates the device…
CVE-2023-7356High· 8.8Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SERVICE_UUID Copy the content of a Periodic Advertisement Report to BASE only if the service UUID is Basic Au…
CVE-2026-98656Noneiio: trigger: cancel reenable_work before freeing trigger
In the Linux kernel, the following vulnerability has been resolved: iio: trigger: cancel reenable_work before freeing trigger iio_trigger_notify_done_atomic() defers ->reenable() into trig->reenable_work on the system workqueue, and th…
CVE-2026-98655Noneperf: Require kernel access for text poke events
In the Linux kernel, the following vulnerability has been resolved: perf: Require kernel access for text poke events Perf events with exclude_kernel=1 can be opened without kernel perf access. However, exclude_kernel does not suppress …
CVE-2026-98659Noneiio: pressure: rohm-bm1390: Return error when read fails
In the Linux kernel, the following vulnerability has been resolved: iio: pressure: rohm-bm1390: Return error when read fails The data reading function ignores the cached error value, and unconditionally returns 0. Return cached 'ret' -…
CVE-2026-98658Noneiio: proximity: aw96103: validate firmware data length
In the Linux kernel, the following vulnerability has been resolved: iio: proximity: aw96103: validate firmware data length The firmware parser reads a length from the binary header and then uses it to walk six-byte register/value entri…
CVE-2026-98657Noneiio: proximity: pulsedlight: fix iio_device left registered on PM setup failure
In the Linux kernel, the following vulnerability has been resolved: iio: proximity: pulsedlight: fix iio_device left registered on PM setup failure pm_runtime_set_active() failing in probe() jumps to error_unreg_buffer, which only call…
CVE-2026-98662Medium· 4.7iio: light: gp2ap020a00f: drain irq_work after free_irq
In the Linux kernel, the following vulnerability has been resolved: iio: light: gp2ap020a00f: drain irq_work after free_irq The threaded IRQ handler queues data->work through irq_work_queue() so the trigger is polled from a per-CPU con…
CVE-2026-98661Noneiio: light: rohm-bu27034: Fix infinite delay on error
In the Linux kernel, the following vulnerability has been resolved: iio: light: rohm-bu27034: Fix infinite delay on error When reading an integration-time fails, the code will use error code to compute the sleep time. Fix this by usin…
CVE-2026-98660Noneiio: pressure: bmp280: fix out-of-bounds access in sampling frequency lookup
In the Linux kernel, the following vulnerability has been resolved: iio: pressure: bmp280: fix out-of-bounds access in sampling frequency lookup The sampling frequency tables store each frequency as an integer part and a fractional par…
CVE-2026-98666Noneiio: gyro: adis16136: fix unprotected debugfs reads
In the Linux kernel, the following vulnerability has been resolved: iio: gyro: adis16136: fix unprotected debugfs reads The serial_number file operations are open coded and never call debugfs_file_get(), which debugfs_create_file_unsaf…
CVE-2026-98665Noneiio: health: max30102: fix NULL dereference in interrupt handler
In the Linux kernel, the following vulnerability has been resolved: iio: health: max30102: fix NULL dereference in interrupt handler The interrupt is requested in max30102_probe() and stays enabled for the lifetime of the device, but i…
CVE-2026-98664Noneiio: imu: adis16400: fix unprotected debugfs reads
In the Linux kernel, the following vulnerability has been resolved: iio: imu: adis16400: fix unprotected debugfs reads adis16400_serial_number_fops is open coded and never calls debugfs_file_get(), so debugfs_remove_recursive() does no…
CVE-2026-98663Noneiio: imu: adis16480: fix unprotected debugfs reads
In the Linux kernel, the following vulnerability has been resolved: iio: imu: adis16480: fix unprotected debugfs reads The firmware_revision and firmware_date file operations are open coded and never call debugfs_file_get(), which debu…
CVE-2026-98669Noneiio: buffer: serialize buffer teardown with mode claims
In the Linux kernel, the following vulnerability has been resolved: iio: buffer: serialize buffer teardown with mode claims Buffer-mode claims hold mlock to guarantee that the device remains in buffer mode until the claim is released. …
CVE-2026-98668Noneiio: buffer: Ensure bounce buffer used for unaligned case is zeroed.
In the Linux kernel, the following vulnerability has been resolved: iio: buffer: Ensure bounce buffer used for unaligned case is zeroed. iio_push_to_buffers_with_ts_unaligned() leaks uninitialized heap memory to userspace if the data p…
CVE-2026-98667Noneiio: frequency: adf4377: Fully initialize clk_init_data and clk_parent_data
In the Linux kernel, the following vulnerability has been resolved: iio: frequency: adf4377: Fully initialize clk_init_data and clk_parent_data The clk_init_data structure contains several mutually-exclusive members for different metho…
CVE-2026-98673Noneiio: adc: pac1934: check ACPI label duplication
In the Linux kernel, the following vulnerability has been resolved: iio: adc: pac1934: check ACPI label duplication A label duplication failure currently reaches the terminating-byte write. Release the ACPI result and abort before acce…
CVE-2026-98672Noneiio: adc: stm32-adc: fix possible division by zero in processed channel
In the Linux kernel, the following vulnerability has been resolved: iio: adc: stm32-adc: fix possible division by zero in processed channel In case the conversion has failed or returned zero, processing *val can lead to a division by z…
CVE-2026-98671Noneiio: adc: sun4i-gpadc-iio: clean up on thermal zone registration failure
In the Linux kernel, the following vulnerability has been resolved: iio: adc: sun4i-gpadc-iio: clean up on thermal zone registration failure If devm_thermal_of_zone_register() fails, probe returns without unregistering the IIO map arra…
CVE-2026-98670Noneiio: adc: xilinx-xadc: free IRQ before cancelling the unmask worker on unbind
In the Linux kernel, the following vulnerability has been resolved: iio: adc: xilinx-xadc: free IRQ before cancelling the unmask worker on unbind The ZYNQ XADC alarm IRQ handler queues zynq_unmask_work via schedule_delayed_work(); that…
CVE-2026-98677Noneiio: adc: ad_sigma_delta: fix use-after-free on unbind
In the Linux kernel, the following vulnerability has been resolved: iio: adc: ad_sigma_delta: fix use-after-free on unbind ad_sd_buffer_postenable() allocates sigma_delta->samples_buf with devm_krealloc() at runtime, so its devres entr…