Linux has 8,787 CVEs on record between 2019 and 2026. Disclosure cadence is accelerating: 3795 in the last 90 days against 1117 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 (6436), 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
- 3795 prev 1117
Weakness classes
Products
- Linux 6436
- 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.
8787 CVEsRSS
CVE-2026-98716NoneKVM: SVM: Use the active VMCB's MSR bitmap when checking if MSR is intercepted
In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Use the active VMCB's MSR bitmap when checking if MSR is intercepted Use the MSR permission bitmap of the active VMCB instead of assuming that KVM is always …
CVE-2026-98722Nonemtd: block2mtd: Fix divide error when erase_size is zero
In the Linux kernel, the following vulnerability has been resolved: mtd: block2mtd: Fix divide error when erase_size is zero The erase size is parsed from the "block2mtd" module parameter and can be set to zero. add_device() then evalu…
CVE-2026-98721Nonemtd: rawnand: cadence: Initialize IRQ state before requesting IRQ
In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: cadence: Initialize IRQ state before requesting IRQ The Cadence NAND interrupt handler uses both the IRQ lock and completion object. Registering the IRQ …
CVE-2026-98718NoneKVM: SEV: Do cache maintenance on the source VM *before* clearing SEV state
In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Do cache maintenance on the source VM *before* clearing SEV state Explicitly flush caches after intra-host migration before clearing "SEV active" on the sour…
CVE-2026-98725Nonenvmet-auth: fix out-of-bounds write in nvmet_auth_challenge()
In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: fix out-of-bounds write in nvmet_auth_challenge() nvmet_auth_challenge() receives its output buffer as a void pointer. sizeof(*d) therefore evaluates to on…
CVE-2026-98724Nonenvmet: pci-epf: reject too-short SGL segments
In the Linux kernel, the following vulnerability has been resolved: nvmet: pci-epf: reject too-short SGL segments The host controls an SGL segment's length. A nonzero length smaller than one SGL descriptor makes nr_descs zero, so nvmet…
CVE-2026-98723Nonenvmet: copy the hostid into the ctrl before creating PR pc_refs
In the Linux kernel, the following vulnerability has been resolved: nvmet: copy the hostid into the ctrl before creating PR pc_refs Commit 6202783184bf ("nvmet: Improve nvmet_alloc_ctrl() interface and implementation") added a second u…
CVE-2026-98726Medium· 4.4nvme-multipath: fix underflow in ANA log bounds checks
In the Linux kernel, the following vulnerability has been resolved: nvme-multipath: fix underflow in ANA log bounds checks The number of ANA groups advertised through Identify Controller sizes the ANA log buffer. The ANA log header and…
CVE-2026-98732Low· 3.4Bluetooth: btintel: fix buffer over-read in btintel_hw_error()
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: fix buffer over-read in btintel_hw_error() The "Exception info %s" print uses skb->data + 1, but the 12-byte payload is not guaranteed to be NUL-te…
CVE-2026-98734NoneBluetooth: hci_core: Serialize SCO and ISO scheduling with teardown
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Serialize SCO and ISO scheduling with teardown hci_low_sent() selects a connection under RCU but drops the read lock before calculating its quota …
CVE-2026-98733High· 7.0Bluetooth: hci_core: Serialize fragmented ISO packet queueing
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Serialize fragmented ISO packet queueing The fragmented path in hci_queue_iso() calls __skb_queue_tail() without holding conn->data_q.lock. The so…
CVE-2026-98739Medium· 4.4Bluetooth: RFCOMM: Fix initial port reference race
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: Fix initial port reference race For RFCOMM_RELEASE_ONHUP devices, rfcomm_tty_install() and __rfcomm_release_dev() both use RFCOMM_TTY_OWNED to decid…
CVE-2026-98736Medium· 4.7Bluetooth: hci_conn: Lock parent access during enhanced SCO setup
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Lock parent access during enhanced SCO setup Bluetooth: hci_conn: Lock parent access during enhanced SCO setup hci_enhanced_setup_sync() runs on …
CVE-2026-98735Medium· 4.7Bluetooth: hci_core: Serialize ACL scheduling with channel deletion
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_core: Serialize ACL scheduling with channel deletion hci_chan_sent() selects a channel under RCU but drops the read lock before accessing chan->conn and…
CVE-2026-98738Medium· 5.1Bluetooth: Serialize SMP remote OOB data access
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Serialize SMP remote OOB data access build_pairing_cmd() looks up remote OOB data and copies its contents without holding hdev->lock, which serializes the l…
CVE-2026-98737Medium· 4.7Bluetooth: hci_sync: Fix inquiry cache use-after-free
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: Fix inquiry cache use-after-free The sync command worker holds hdev->req_lock, but inquiry-cache updates and flushes use hdev->lock. Both hci_acl_…
CVE-2026-98742Medium· 4.7ALSA: seq: Serialize compat port-info ioctls
In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Serialize compat port-info ioctls The native sequencer ioctl path serializes handler calls with client->ioctl_mutex, but the translated port-info compat pat…
CVE-2026-98741High· 7.8ALSA: ua101: reject mismatched capture/playback packet sizes
In the Linux kernel, the following vulnerability has been resolved: ALSA: ua101: reject mismatched capture/playback packet sizes detect_usb_format() cross-checks bSubframeSize, bBitResolution and tSamFreq between the capture and playba…
CVE-2026-98745Medium· 5.5arm64/fpsimd: signal: Forbid non-streaming SVE payload on SME-only systems
In the Linux kernel, the following vulnerability has been resolved: arm64/fpsimd: signal: Forbid non-streaming SVE payload on SME-only systems When system_supports_sme() is true but system_supports_sve() is false, restoring a specifica…
CVE-2026-98750Medium· 4.7tty: fix saved termios reset race
In the Linux kernel, the following vulnerability has been resolved: tty: fix saved termios reset race Resetting saved termios state on device registration is needed where a minor number can be reused for an entirely different device an…
CVE-2026-98749Medium· 4.7tty: serial: max3100: shut down timer before freeing port
In the Linux kernel, the following vulnerability has been resolved: tty: serial: max3100: shut down timer before freeing port max3100_shutdown() stops the polling timer but returns early during system suspend. If the SPI device is unbo…
CVE-2026-98748Medium· 4.1serial: 8250_bcm7271: fix use-after-free in brcmuart_remove()
In the Linux kernel, the following vulnerability has been resolved: serial: 8250_bcm7271: fix use-after-free in brcmuart_remove() brcmuart_handle_irq() starts priv->hrt to work around a receive-timeout quirk of the 8250 core when hardw…
CVE-2026-98754High· 7.0tty: vcc: hold port lock when clearing tty pointer in vcc_cleanup
In the Linux kernel, the following vulnerability has been resolved: tty: vcc: hold port lock when clearing tty pointer in vcc_cleanup vcc_cleanup() sets port->tty to NULL without holding port->lock, racing with vcc_event() LDC callback…
CVE-2026-98753Medium· 4.7tty: tty_port: restore TTY_IO_ERROR on activation failure
In the Linux kernel, the following vulnerability has been resolved: tty: tty_port: restore TTY_IO_ERROR on activation failure Make sure to restore the TTY_IO_ERROR flag if activation fails to prevent I/O attempts on a port that is gone…
CVE-2026-98751Medium· 5.5tty: abort break signalling on hangup
In the Linux kernel, the following vulnerability has been resolved: tty: abort break signalling on hangup The break ioctls can race with hangup and end up calling into a tty driver for a device that is already gone or powered down. Dr…
CVE-2026-98757Medium· 4.1usb: cdns3: fix use-after-free in cdns3_gadget_exit()
In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: fix use-after-free in cdns3_gadget_exit() cdns3_gadget_start() arms two works on system_freezable_wq: pending_status_wq for the deferred ep0 status stage a…
CVE-2026-98752Medium· 4.7tty: port: fix tty_port_tty_vhangup() race
In the Linux kernel, the following vulnerability has been resolved: tty: port: fix tty_port_tty_vhangup() race Drivers rely on tty_port_tty_vhangup() to synchronously hang up their ports before tearing down resources as part of deregis…
CVE-2026-98756Medium· 4.1usb: cdns3: Fix NULL pointer dereference in cdns3_pci_probe
In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Fix NULL pointer dereference in cdns3_pci_probe The Cadence USBSS controller is a two-function PCI device. The first probed function allocates the driver d…
CVE-2026-98755Low· 3.3tty: vcc: zero-initialize control packet in vcc_send_ctl()
In the Linux kernel, the following vulnerability has been resolved: tty: vcc: zero-initialize control packet in vcc_send_ctl() The stack-allocated struct vio_vcc pkt was partially initialized, leaving the tag.stype_env field uninitiali…
CVE-2026-98765Medium· 4.1USB: gadget: dummy-hcd: Fix wait for outstanding request completions
In the Linux kernel, the following vulnerability has been resolved: USB: gadget: dummy-hcd: Fix wait for outstanding request completions The dummy-hcd driver emulates synchronize_irq() by waiting until its private callback_usage counte…