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-2026-53126Noneblk-cgroup: fix disk reference leak in blkcg_maybe_throttle_current()
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix disk reference leak in blkcg_maybe_throttle_current() Add the missing put_disk() on the error path in blkcg_maybe_throttle_current(). When blkcg lookup…
CVE-2026-53083Nonebpf: Fix RCU stall in bpf_fd_array_map_clear()
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix RCU stall in bpf_fd_array_map_clear() Add a missing cond_resched() in bpf_fd_array_map_clear() loop. For PROG_ARRAY maps with many entries this loop calls pr…
CVE-2026-52936Nonecrypto: jitterentropy - replace long-held spinlock with mutex
In the Linux kernel, the following vulnerability has been resolved: crypto: jitterentropy - replace long-held spinlock with mutex jent_kcapi_random() serializes the shared jitterentropy state, but it currently holds a spinlock across t…
CVE-2026-52937Nonetap: fix stack info leak in tap_ioctl() SIOCGIFHWADDR
In the Linux kernel, the following vulnerability has been resolved: tap: fix stack info leak in tap_ioctl() SIOCGIFHWADDR In the SIOCGIFHWADDR path, tap_ioctl() copies 16 bytes of an uninitialised on-stack struct sockaddr_storage to us…
CVE-2026-53097Nonewifi: mt76: mt7996: fix use-after-free bugs in mt7996_mac_dump_work()
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix use-after-free bugs in mt7996_mac_dump_work() When the mt7996 pci chip is detaching, the mt7996_crash_data is released in mt7996_coredump_unreg…
CVE-2026-53104Nonewifi: mt76: Fix memory leak destroying device
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: Fix memory leak destroying device All MT76 rx queues have an associated page_pool even if the queue is not associated to a NAPI (e.g. WED RRO queues with W…
CVE-2026-53103Nonewifi: mt76: mt7925: fix potential deadlock in mt7925_roc_abort_sync
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix potential deadlock in mt7925_roc_abort_sync roc_abort_sync() can deadlock with roc_work(). roc_work() holds dev->mt76.mutex, while cancel_work_…
CVE-2026-53123Nonemd: wake raid456 reshape waiters before suspend
In the Linux kernel, the following vulnerability has been resolved: md: wake raid456 reshape waiters before suspend During raid456 reshape, direct IO across the reshape position can sleep in raid5_make_request() waiting for reshape pro…
CVE-2026-53115Nonebus: fsl-mc: use generic driver_override infrastructure
In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: use generic driver_override infrastructure When a driver is probed through __driver_attach(), the bus' match() callback is called without the device lock …
CVE-2026-53120NonePCI: use generic driver_override infrastructure
In the Linux kernel, the following vulnerability has been resolved: PCI: use generic driver_override infrastructure When a driver is probed through __driver_attach(), the bus' match() callback is called without the device lock held, th…
CVE-2026-53109Nonepowerpc/pgtable-frag: Fix bad page state in pte_frag_destroy
In the Linux kernel, the following vulnerability has been resolved: powerpc/pgtable-frag: Fix bad page state in pte_frag_destroy powerpc uses pt_frag_refcount as a reference counter for tracking it's pte and pmd page table fragments. F…
CVE-2026-53122Medium· 5.5btrfs: fix deadlock between reflink and transaction commit when using flushoncommit
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between reflink and transaction commit when using flushoncommit When using the flushoncommit mount option, we can have a deadlock between a transac…
CVE-2026-53118Nonevdpa: use generic driver_override infrastructure
In the Linux kernel, the following vulnerability has been resolved: vdpa: use generic driver_override infrastructure When a driver is probed through __driver_attach(), the bus' match() callback is called without the device lock held, t…
CVE-2026-53110High· 7.8s390/bpf: Zero-extend bpf prog return values and kfunc arguments
In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Zero-extend bpf prog return values and kfunc arguments s390x ABI requires callers to zero-extend unsigned arguments and sign-extend signed arguments, and cal…
CVE-2026-53096High· 7.8bpf: Use RCU-safe iteration in dev_map_redirect_multi() SKB path
In the Linux kernel, the following vulnerability has been resolved: bpf: Use RCU-safe iteration in dev_map_redirect_multi() SKB path The DEVMAP_HASH branch in dev_map_redirect_multi() uses hlist_for_each_entry_safe() to iterate hash bu…
CVE-2026-53094High· 7.8bpf: Fix stale offload->prog pointer after constant blinding
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stale offload->prog pointer after constant blinding When a dev-bound-only BPF program (BPF_F_XDP_DEV_BOUND_ONLY) undergoes JIT compilation with constant blind…
CVE-2026-53088Critical· 9.8net: bcmgenet: fix off-by-one in bcmgenet_put_txcb
In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix off-by-one in bcmgenet_put_txcb The write_ptr points to the next open tx_cb. We want to return the tx_cb that gets rewinded, so we must rewind the p…
CVE-2026-53086Critical· 9.8net: bcmgenet: fix racing timeout handler
In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: fix racing timeout handler The bcmgenet_timeout handler tries to take down all tx queues when a single queue times out. This is over zealous and causes …
CVE-2026-53076High· 7.1bpf: Fix OOB in pcpu_init_value
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix OOB in pcpu_init_value An out-of-bounds read occurs when copying element from a BPF_MAP_TYPE_CGROUP_STORAGE map to another pcpu map with the same value_size t…
CVE-2026-53075High· 8.8PoCppp: require CAP_NET_ADMIN in target netns for unattached ioctls
In the Linux kernel, the following vulnerability has been resolved: ppp: require CAP_NET_ADMIN in target netns for unattached ioctls /dev/ppp open is currently authorized against file->f_cred->user_ns, while unattached administrative i…
CVE-2026-53072High· 8.8Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix locking in hci_conn_request_evt() with HCI_PROTO_DEFER When protocol sets HCI_PROTO_DEFER, hci_conn_request_evt() calls hci_connect_cfm(conn) without hd…
CVE-2026-53069High· 7.5net, bpf: fix null-ptr-deref in xdp_master_redirect() for down master
In the Linux kernel, the following vulnerability has been resolved: net, bpf: fix null-ptr-deref in xdp_master_redirect() for down master syzkaller reported a kernel panic in bond_rr_gen_slave_id() reached via xdp_master_redirect(). Fu…
CVE-2026-53062High· 7.8dm cache policy smq: fix missing locks in invalidating cache blocks
In the Linux kernel, the following vulnerability has been resolved: dm cache policy smq: fix missing locks in invalidating cache blocks In passthrough mode, the policy invalidate_mapping operation is called simultaneously from multiple…
CVE-2026-53049Critical· 9.8gfs2: add some missing log locking
In the Linux kernel, the following vulnerability has been resolved: gfs2: add some missing log locking Function gfs2_logd() calls the log flushing functions gfs2_ail1_start(), gfs2_ail1_wait(), and gfs2_ail1_empty() without holding sdp…
CVE-2026-53053High· 8.8iommu/amd: Fix clone_alias() to use the original device's devid
In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Fix clone_alias() to use the original device's devid Currently clone_alias() assumes first argument (pdev) is always the original device pointer. This funct…
CVE-2026-52927High· 7.8netfilter: ebtables: fix OOB read in compat_mtw_from_user
In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: fix OOB read in compat_mtw_from_user Luxiao Xu says: The function compat_mtw_from_user() converts ebtables extensions from 32-bit user structur…
CVE-2026-52931Critical· 9.8batman-adv: tp_meter: avoid use of uninit sender vars
In the Linux kernel, the following vulnerability has been resolved: batman-adv: tp_meter: avoid use of uninit sender vars batadv_tp_recv_ack() and batadv_tp_stop() are only valid for tp_vars in the BATADV_TP_SENDER role. When called wi…
CVE-2026-52920High· 8.3netfilter: xt_policy: fix strict mode inbound policy matching
In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_policy: fix strict mode inbound policy matching match_policy_in() walks sec_path entries from the last transform to the first one, but strict policy matc…
CVE-2026-52915High· 7.1netfilter: ip6t_hbh: reject oversized option lists
In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6t_hbh: reject oversized option lists struct ip6t_opts stores at most IP6T_OPTS_OPTSNR option descriptors, but hbh_mt6_check() does not reject larger opts…
CVE-2026-52914Critical· 9.8batman-adv: fix fragment reassembly length accounting
In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix fragment reassembly length accounting batman-adv keeps a running payload length for queued fragments and uses it to validate a fragment chain before re…