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-2026-31575Nonemm/userfaultfd: fix hugetlb fault mutex hash calculation
In the Linux kernel, the following vulnerability has been resolved: mm/userfaultfd: fix hugetlb fault mutex hash calculation In mfill_atomic_hugetlb(), linear_page_index() is used to calculate the page index for hugetlb_fault_mutex_has…
CVE-2026-31571Nonedrm/i915: Unlink NV12 planes earlier
In the Linux kernel, the following vulnerability has been resolved: drm/i915: Unlink NV12 planes earlier unlink_nv12_plane() will clobber parts of the plane state potentially already set up by plane_atomic_check(), so we must make sure…
CVE-2026-31574Noneclockevents: Add missing resets of the next_event_forced flag
In the Linux kernel, the following vulnerability has been resolved: clockevents: Add missing resets of the next_event_forced flag The prevention mechanism against timer interrupt starvation missed to reset the next_event_forced flag in…
CVE-2026-31572Nonei2c: designware: amdisp: Fix resume-probe race condition issue
In the Linux kernel, the following vulnerability has been resolved: i2c: designware: amdisp: Fix resume-probe race condition issue Identified resume-probe race condition in kernel v7.0 with the commit 38fa29b01a6a ("i2c: designware: Co…
CVE-2026-31655Nonepmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled
In the Linux kernel, the following vulnerability has been resolved: pmdomain: imx8mp-blk-ctrl: Keep the NOC_HDCP clock enabled Keep the NOC_HDCP clock always enabled to fix the potential hang caused by the NoC ADB400 port power down ha…
CVE-2026-31562Nonedrm/mediatek: dsi: Store driver data before invoking mipi_dsi_host_register
In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: dsi: Store driver data before invoking mipi_dsi_host_register The call to mipi_dsi_host_register triggers a callback to mtk_dsi_bind, which uses dev_get_…
CVE-2026-31579Nonewireguard: device: use exit_rtnl callback instead of manual rtnl_lock in pre_exit
In the Linux kernel, the following vulnerability has been resolved: wireguard: device: use exit_rtnl callback instead of manual rtnl_lock in pre_exit wg_netns_pre_exit() manually acquires rtnl_lock() inside the pernet .pre_exit callbac…
CVE-2026-31568Nones390/mm: Add missing secure storage access fixups for donated memory
In the Linux kernel, the following vulnerability has been resolved: s390/mm: Add missing secure storage access fixups for donated memory There are special cases where secure storage access exceptions happen in a kernel context for page…
CVE-2026-31560Nonespi: spi-dw-dma: fix print error log when wait finish transaction
In the Linux kernel, the following vulnerability has been resolved: spi: spi-dw-dma: fix print error log when wait finish transaction If an error occurs, the device may not have a current message. In this case, the system will crash. …
CVE-2026-31645Nonenet: lan966x: fix page pool leak in error paths
In the Linux kernel, the following vulnerability has been resolved: net: lan966x: fix page pool leak in error paths lan966x_fdma_rx_alloc() creates a page pool but does not destroy it if the subsequent fdma_alloc_coherent() call fails,…
CVE-2026-31606Noneusb: gadget: f_hid: don't call cdev_init while cdev in use
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_hid: don't call cdev_init while cdev in use When calling unbind, then bind again, cdev_init reinitialized the cdev, even though there may still be refer…
CVE-2026-31592NoneKVM: SEV: Protect *all* of sev_mem_enc_register_region() with kvm->lock
In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Protect *all* of sev_mem_enc_register_region() with kvm->lock Take and hold kvm->lock for before checking sev_guest() in sev_mem_enc_register_region(), as se…
CVE-2026-31650Nonemmc: vub300: fix use-after-free on disconnect
In the Linux kernel, the following vulnerability has been resolved: mmc: vub300: fix use-after-free on disconnect The vub300 driver maintains an explicit reference count for the controller and its driver data and the last reference can…
CVE-2026-31668Critical· 9.8⚖ disputedseg6: separate dst_cache for input and output paths in seg6 lwtunnel
In the Linux kernel, the following vulnerability has been resolved: seg6: separate dst_cache for input and output paths in seg6 lwtunnel The seg6 lwtunnel uses a single dst_cache per encap route, shared between seg6_input_core() and se…
CVE-2026-31667High· 7.8Input: uinput - fix circular locking dependency with ff-core
In the Linux kernel, the following vulnerability has been resolved: Input: uinput - fix circular locking dependency with ff-core A lockdep circular locking dependency warning can be triggered reproducibly when using a force-feedback ga…
CVE-2026-31666High· 7.8btrfs: fix incorrect return value after changing leaf in lookup_extent_data_ref()
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix incorrect return value after changing leaf in lookup_extent_data_ref() After commit 1618aa3c2e01 ("btrfs: simplify return variables in lookup_extent_data_re…
CVE-2026-31662High· 7.5tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG
In the Linux kernel, the following vulnerability has been resolved: tipc: fix bc_ackers underflow on duplicate GRP_ACK_MSG The GRP_ACK_MSG handler in tipc_group_proto_rcv() currently decrements bc_ackers on every inbound group ACK, eve…
CVE-2026-31659Critical· 9.8batman-adv: reject oversized global TT response buffers
In the Linux kernel, the following vulnerability has been resolved: batman-adv: reject oversized global TT response buffers batadv_tt_prepare_tvlv_global_data() builds the allocation length for a global TT response in 16-bit temporarie…
CVE-2026-31657Critical· 9.8batman-adv: hold claim backbone gateways by reference
In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by reference batadv_bla_add_claim() can replace claim->backbone_gw and drop the old gateway's last reference while readers sti…
CVE-2026-31656High· 7.8drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat A use-after-free / refcount underflow is possible when the heartbeat worker and intel_engine_park_he…
CVE-2026-31648High· 7.8mm: filemap: fix nr_pages calculation overflow in filemap_map_pages()
In the Linux kernel, the following vulnerability has been resolved: mm: filemap: fix nr_pages calculation overflow in filemap_map_pages() When running stress-ng on my Arm64 machine with v7.0-rc3 kernel, I encountered some very strange …
CVE-2026-31633Critical· 9.8rxrpc: Fix integer overflow in rxgk_verify_response()
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix integer overflow in rxgk_verify_response() In rxgk_verify_response(), there's a potential integer overflow due to rounding up token_len before checking it, …
CVE-2026-31638High· 7.5rxrpc: Only put the call ref if one was acquired
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Only put the call ref if one was acquired rxrpc_input_packet_on_conn() can process a to-client packet after the current client call on the channel has already b…
CVE-2026-31631High· 8.2rxrpc: Fix buffer overread in rxgk_do_verify_authenticator()
In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix buffer overread in rxgk_do_verify_authenticator() Fix rxgk_do_verify_authenticator() to check the buffer size before checking the nonce.
CVE-2026-31609Critical· 9.8smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush()
In the Linux kernel, the following vulnerability has been resolved: smb: client: avoid double-free in smbd_free_send_io() after smbd_send_batch_flush() smbd_send_batch_flush() already calls smbd_free_send_io(), so we should not call it…
CVE-2026-31598High· 7.5ocfs2: fix possible deadlock between unlink and dio_end_io_write
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix possible deadlock between unlink and dio_end_io_write ocfs2_unlink takes orphan dir inode_lock first and then ip_alloc_sem, while in ocfs2_dio_end_io_write,…
CVE-2026-31570High· 8.8can: gw: fix OOB heap access in cgw_csum_crc8_rel()
In the Linux kernel, the following vulnerability has been resolved: can: gw: fix OOB heap access in cgw_csum_crc8_rel() cgw_csum_crc8_rel() correctly computes bounds-safe indices via calc_idx(): int from = calc_idx(crc8->from_idx,…
CVE-2026-31600High· 7.5arm64: mm: Handle invalid large leaf mappings correctly
In the Linux kernel, the following vulnerability has been resolved: arm64: mm: Handle invalid large leaf mappings correctly It has been possible for a long time to mark ptes in the linear map as invalid. This is done for secretmem, kfe…
CVE-2026-31588High· 8.8KVM: x86: Use scratch field in MMIO fragment to hold small write values
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Use scratch field in MMIO fragment to hold small write values When exiting to userspace to service an emulated MMIO write, copy the to-be-written value to a …
CVE-2026-31566High· 7.8drm/amdgpu: Fix fence put before wait in amdgpu_amdkfd_submit_ib
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix fence put before wait in amdgpu_amdkfd_submit_ib amdgpu_amdkfd_submit_ib() submits a GPU job and gets a fence from amdgpu_ib_schedule(). This fence is …