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linux

17,836 known vulnerabilities.

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  • Critical 10.0

    crypto: cavium/cpt - fix DMA cleanup using wrong loop index

    In the Linux kernel, the following vulnerability has been resolved: crypto: cavium/cpt - fix DMA cleanup using wrong loop index The sg_cleanup error path used list[i] instead of list[j] when unmapping DMA buffers, leaking successfully mapped entries and repea…

  • Critical 10.0

    crypto: marvell/octeontx - fix DMA cleanup using wrong loop index

    In the Linux kernel, the following vulnerability has been resolved: crypto: marvell/octeontx - fix DMA cleanup using wrong loop index The sg_cleanup path used list[i] instead of list[j] when unmapping DMA buffers, leaking successfully mapped entries and repea…

  • Critical 9.8

    bnxt: fix head underflow on XDP head-grow

    In the Linux kernel, the following vulnerability has been resolved: bnxt: fix head underflow on XDP head-grow The xdp.py test test_xdp_native_adjst_head_grow_data crashes when run on a bnxt machine (and also crashes in NIPA). It seems that the bug is an under…

  • Critical 9.8

    net/sched: sch_codel: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen

    In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_codel: Do not call qdisc_tree_reduce_backlog during peek before restoring qlen Whenever codel drops packets during peek, it calls qdisc_tree_reduce_backlog. An issue arises bec…

  • Critical 9.8

    tcp: clear sock_ops cb flags before force-closing a child socket

    In the Linux kernel, the following vulnerability has been resolved: tcp: clear sock_ops cb flags before force-closing a child socket A child socket inherits the listener's bpf_sock_ops_cb_flags via sk_clone_lock(). If its setup fails in tcp_v4_syn_recv_sock()…

  • Critical 9.8

    tipc: fix UAF in tipc_l2_send_msg()

    In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in tipc_l2_send_msg() Syzbot reported a slab-use-after-free in ipvlan_hard_header() when called from tipc_l2_send_msg(). The root cause is that tipc_disable_l2_media() calls syn…

  • Critical 9.2

    RDMA/bnxt_re: Proper rollback if the ioremap fails

    In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Proper rollback if the ioremap fails bnxt_qplib_alloc_dpi returns success even if ioremap fails. Add the proper rollback when the ioremap fails and return -ENOMEM status.

  • Critical 9.8

    RDMA/irdma: Replace waitqueue and flag with completion

    In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Replace waitqueue and flag with completion The driver previously used a waitqueue along with an explicit request_done flag, but without proper barriers around request_done. An ear…

  • Critical 9.3

    RDMA/bnxt_re: Avoid repeated requests to allocate WC pages

    In the Linux kernel, the following vulnerability has been resolved: RDMA/bnxt_re: Avoid repeated requests to allocate WC pages Applications can request multiple WC pages for the same ucontext. As of now, only 1 WC page per ucontext is supported. Add a lock to…

  • Critical 9.9

    net: serialize netif_running() check in enqueue_to_backlog()

    In the Linux kernel, the following vulnerability has been resolved: net: serialize netif_running() check in enqueue_to_backlog() Syzbot reported a KASAN slab-use-after-free in fib_rules_lookup(). The root cause is a race condition where packets can escape the…

  • Critical 9.8

    net/9p: fix race condition on rdma->state in trans_rdma.c

    In the Linux kernel, the following vulnerability has been resolved: net/9p: fix race condition on rdma->state in trans_rdma.c The rdma->state field is modified without holding req_lock in both recv_done() and p9_cm_event_handler(), while rdma_request() access…

  • Critical 9.8

    fs/ntfs3: call _ntfs_bad_inode() when failing to rename

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: call _ntfs_bad_inode() when failing to rename It is safe to call _ntfs_bad_inode on live inodes since: commit 519b078998ce ("fs/ntfs3: Exclude call make_bad_inode for live nodes.") …

  • Critical 9.8

    xprtrdma: Decouple req recycling from RPC completion

    In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Decouple req recycling from RPC completion rl_kref formerly served two distinct lifetimes through a single refcount: it gated when a Reply could wake its RPC task, and it gated when…

  • Critical 9.8

    nfs: use nfsi->rwsem to protect traversal of the file lock list

    In the Linux kernel, the following vulnerability has been resolved: nfs: use nfsi->rwsem to protect traversal of the file lock list Lingfeng identified a bug and suggested two solutions, but both appear to have issues. Generally, we cannot release flc_lock wh…

  • Critical 9.8

    xprtrdma: Fix bcall rep leak and unbounded peek

    In the Linux kernel, the following vulnerability has been resolved: xprtrdma: Fix bcall rep leak and unbounded peek rpcrdma_is_bcall() decodes a reply's first words to decide whether the frame is a backchannel call. Two issues in that decode path let a short …

  • Critical 9.8

    xfrm: Fix dev use-after-free in xfrm async resumption

    In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix dev use-after-free in xfrm async resumption xfrm async resumption hold skb->dev refcnt until after transport_finish. However, xfrm_rcv_cb may modify skb->dev to tunnel dev without t…

  • Critical 9.8

    xfrm: Fix xfrm state cache insertion race

    In the Linux kernel, the following vulnerability has been resolved: xfrm: Fix xfrm state cache insertion race The xfrm input state cache insertion code checks the validity of the state before acquiring the global xfrm_state_lock. Thus it's possible for someon…

  • Critical 9.8

    netfilter: flowtable: fix and simplify IP6IP6 tunnel handling

    In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: fix and simplify IP6IP6 tunnel handling Fix nf_flow_ip6_tunnel_proto() to use pskb_may_pull() instead of skb_header_pointer() to ensure the outer IPv6 header is in the s…

  • Critical 9.8

    netfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types

    In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types Sashiko pointed out that there are a few lockless RCU readers using test_bit() which is a relaxed atomic operation…

  • Critical 9.8

    ipv6: ioam: fix type confusion of dst_entry

    In the Linux kernel, the following vulnerability has been resolved: ipv6: ioam: fix type confusion of dst_entry IOAM uses a dummy dst_entry(null_dst) to mark that the destination should not be changed after the transformation. This dst is stored in the IOAM l…

  • Critical 9.8
    CVE-2026-72422 Public exploit

    ksmbd: fix use-after-free of conn->preauth_info in concurrent SMB2 NEGOTIATE

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of conn->preauth_info in concurrent SMB2 NEGOTIATE conn->preauth_info is shared connection state (struct preauth_integrity_info, kmalloc-96) that is allocated and fr…

  • Critical 10.0

    ipv4: fib: Don't ignore error route in local/main tables.

    In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: Don't ignore error route in local/main tables. When CONFIG_IP_MULTIPLE_TABLES is enabled but no rule is added, fib_lookup() performs route lookup directly on two tables. Since the …

  • Critical 9.8

    netfilter: flowtable: Validate iph->ihl in nf_flow_ip4_tunnel_proto()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: Validate iph->ihl in nf_flow_ip4_tunnel_proto() Add sanity check for iph->ihl field in nf_flow_ip4_tunnel_proto() before using it to compute the header size, avoiding ou…

  • Critical 9.3

    s390/mm: Fix handling of _PAGE_UNUSED pte bit

    In the Linux kernel, the following vulnerability has been resolved: s390/mm: Fix handling of _PAGE_UNUSED pte bit The _PAGE_UNUSED softbit should not really be lying around. Its sole purpose is to signal to try_to_unmap_one() and try_to_migrate_one() that the…

  • Critical 10.0

    geneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint

    In the Linux kernel, the following vulnerability has been resolved: geneve: gate GRO hint in geneve_gro_complete() on gs->gro_hint geneve_gro_receive() reads the GRO hint through geneve_sk_gro_hint_off(), which honours it only when the socket enabled IFLA_GEN…

  • Critical 10.0

    geneve: validate inner network offset in geneve_gro_complete()

    In the Linux kernel, the following vulnerability has been resolved: geneve: validate inner network offset in geneve_gro_complete() Even with both paths gated on gs->gro_hint, geneve_gro_complete() re-derives the inner dispatch type and length from the packet …

  • Critical 9.8

    net: enetc: check the number of BDs needed for xdp_frame

    In the Linux kernel, the following vulnerability has been resolved: net: enetc: check the number of BDs needed for xdp_frame The size of xdp_redirect_arr array is ENETC_MAX_SKB_FRAGS. However, the number of fragments contained in xdp_frame may be greater than…

  • Critical 9.8

    sctp: add INIT verification after cookie unpacking

    In the Linux kernel, the following vulnerability has been resolved: sctp: add INIT verification after cookie unpacking In SCTP handshake, the INIT chunk is initially processed by the server and embedded into the cookie carried in INIT-ACK. The client then ret…

  • Critical 9.8

    eth: fbnic: don't cache shinfo across skb realloc

    In the Linux kernel, the following vulnerability has been resolved: eth: fbnic: don't cache shinfo across skb realloc fbnic_tx_lso() calls skb_cow_head() which may reallocate the skb including the shared info. We can't use the pointer calculated before the ca…

  • Critical 9.8

    ksmbd: fix use-after-free of fp->owner.name in durable handle owner check

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of fp->owner.name in durable handle owner check Two concurrent SMB2 durable reconnects (DH2C/DHnC) on the same persistent_id race the fp->owner.name compare-read in …

  • Critical 9.8

    netfs: Fix netfs_create_write_req() to handle async cache object creation

    In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfs_create_write_req() to handle async cache object creation netfs_create_write_req() will skip caching if the fscache cookie is disabled, but this is a problem because async cac…

  • Critical 9.8

    netfs: Fix barriering when walking subrequest list

    In the Linux kernel, the following vulnerability has been resolved: netfs: Fix barriering when walking subrequest list Fix the barriering used when walking the subrequest list in retry as there's a possibility of seeing a subreq that's just been added by the …

  • Critical 9.8

    gue: validate REMCSUM private option length

    In the Linux kernel, the following vulnerability has been resolved: gue: validate REMCSUM private option length GUE private flags can indicate that remote checksum offload metadata is present. The private flags field itself is accounted for by guehdr_flags_le…

  • Critical 9.1

    netfilter: ip6tables: mark malformed IPv6 extension headers for hotdrop

    In the Linux kernel, the following vulnerability has been resolved: netfilter: ip6tables: mark malformed IPv6 extension headers for hotdrop The ah, hbh and rt matches check that the fixed extension header is present, then use the header length field to derive…

  • Critical 9.8

    qede: fix off-by-one in BD ring consumption on build_skb failure

    In the Linux kernel, the following vulnerability has been resolved: qede: fix off-by-one in BD ring consumption on build_skb failure qede_rx_build_skb() and qede_tpa_rx_build_skb() do not check for a NULL return from qede_build_skb(). When it returns NULL und…

  • Critical 9.3

    net/liquidio: drop cached VF pci_dev LUT

    In the Linux kernel, the following vulnerability has been resolved: net/liquidio: drop cached VF pci_dev LUT The PF SR-IOV enable path caches VF pci_dev pointers in dpiring_to_vfpcidev_lut[] by iterating with pci_get_device(). Those entries do not own a refer…

  • Critical 9.8

    ipv6: mcast: Fix potential UAF in MLD delayed work

    In the Linux kernel, the following vulnerability has been resolved: ipv6: mcast: Fix potential UAF in MLD delayed work A race condition exists between device teardown and incoming MLD query processing, leading to a Use-After-Free in the MLD delayed work. Duri…

  • Critical 9.8

    ipv4: igmp: Fix potential UAF in igmp_gq_start_timer()

    In the Linux kernel, the following vulnerability has been resolved: ipv4: igmp: Fix potential UAF in igmp_gq_start_timer() A race condition exists between device teardown (inetdev_destroy) and incoming IGMP query processing (igmp_rcv), leading to a Use-After-…

  • Critical 9.1

    netfilter: nft_lookup: fix catchall element handling with inverted lookups

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_lookup: fix catchall element handling with inverted lookups nft_lookup_eval() decides whether a lookup matched (`found`) from the direct set lookup and priv->invert before fall…

  • Critical 9.8

    ipvs: ensure inner headers in ICMP errors are in headroom

    In the Linux kernel, the following vulnerability has been resolved: ipvs: ensure inner headers in ICMP errors are in headroom Sashiko points out that after stripping the outer headers with pskb_pull() we should ensure the inner IP headers in ICMP errors from …