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Linux

20,714 known vulnerabilities.

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  • Critical 9.4

    bpf: Scrub packet on bpf_redirect_peer

    In the Linux kernel, the following vulnerability has been resolved: bpf: Scrub packet on bpf_redirect_peer When bpf_redirect_peer is used to redirect packets to a device in another network namespace, the skb isn't scrubbed. That can lead skb information from …

  • Critical 9.8

    net: ethernet: mtk_eth_soc: fix SER panic with 4GB+ RAM

    In the Linux kernel, the following vulnerability has been resolved: net: ethernet: mtk_eth_soc: fix SER panic with 4GB+ RAM If the mtk_poll_rx() function detects the MTK_RESETTING flag, it will jump to release_desc and refill the high word of the SDP on the 4…

  • Critical 9.8
    CVE-2025-37924 EPSS 25%

    ksmbd: fix use-after-free in kerberos authentication

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in kerberos authentication Setting sess->user = NULL was introduced to fix the dangling pointer created by ksmbd_free_user. However, it is possible another thread co…

  • Critical 9.8

    net: use sock_gen_put() when sk_state is TCP_TIME_WAIT

    In the Linux kernel, the following vulnerability has been resolved: net: use sock_gen_put() when sk_state is TCP_TIME_WAIT It is possible for a pointer of type struct inet_timewait_sock to be returned from the functions __inet_lookup_established() and __inet6…

  • Critical 9.8

    9p/net: fix improper handling of bogus negative read/write replies

    In the Linux kernel, the following vulnerability has been resolved: 9p/net: fix improper handling of bogus negative read/write replies In p9_client_write() and p9_client_read_once(), if the server incorrectly replies with success but a negative write/read cou…

  • Critical 9.8

    nvmet: avoid potential UAF in nvmet_req_complete()

    In the Linux kernel, the following vulnerability has been resolved: nvmet: avoid potential UAF in nvmet_req_complete() An nvme target ->queue_response() operation implementation may free the request passed as argument. Such implementation potentially could re…

  • Critical 9.8

    nfsd: don't replace page in rq_pages if it's a continuation of last page

    In the Linux kernel, the following vulnerability has been resolved: nfsd: don't replace page in rq_pages if it's a continuation of last page The splice read calls nfsd_splice_actor to put the pages containing file data into the svc_rqst->rq_pages array. It's …

  • Critical 9.8

    ceph: avoid putting the realm twice when decoding snaps fails

    In the Linux kernel, the following vulnerability has been resolved: ceph: avoid putting the realm twice when decoding snaps fails When decoding the snaps fails it maybe leaving the 'first_realm' and 'realm' pointing to the same snaprealm memory. And then it'l…

  • Critical 9.8

    ksmbd: Fix dangling pointer in krb_authenticate

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix dangling pointer in krb_authenticate krb_authenticate frees sess->user and does not set the pointer to NULL. It calls ksmbd_krb5_authenticate to reinitialise sess->user but that fu…

  • Critical 9.8

    smb: client: fix UAF in decryption with multichannel

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix UAF in decryption with multichannel After commit f7025d861694 ("smb: client: allocate crypto only for primary server") and commit b0abcd65ec54 ("smb: client: fix UAF in async…

  • Critical 9.8

    netfilter: nfnetlink_queue: Initialize ctx to avoid memory allocation error

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_queue: Initialize ctx to avoid memory allocation error It is possible that ctx in nfqnl_build_packet_message() could be used before it is properly initialize, which is on…

  • Critical 9.8

    RDMA/erdma: Prevent use-after-free in erdma_accept_newconn()

    In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Prevent use-after-free in erdma_accept_newconn() After the erdma_cep_put(new_cep) being called, new_cep will be freed, and the following dereference will cause a UAF problem. Fix …

  • Critical 9.8

    Revert "smb: client: fix TCP timers deadlock after rmmod"

    In the Linux kernel, the following vulnerability has been resolved: Revert "smb: client: fix TCP timers deadlock after rmmod" This reverts commit e9f2517a3e18a54a3943c098d2226b245d488801. Commit e9f2517a3e18 ("smb: client: fix TCP timers deadlock after rmmod"…

  • Critical 10.0

    netfilter: socket: Lookup orig tuple for IPv6 SNAT

    In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nf_sk_lookup_slow_v4 does the conntrack lookup for IPv4 packets to restore the original 5-tuple in case of SNAT, to be able to find the righ…

  • Critical 9.0

    Libsoup: double free on soup_message_headers_get_content_disposition() through "soup-message-headers.c" via "params" ghashtable value

    A use-after-free type vulnerability was found in libsoup, in the soup_message_headers_get_content_disposition() function. This flaw allows a malicious HTTP client to cause memory corruption in the libsoup server.

  • Critical 9.8

    fs/netfs/read_collect: add to next->prev_donated

    In the Linux kernel, the following vulnerability has been resolved: fs/netfs/read_collect: add to next->prev_donated If multiple subrequests donate data to the same "next" request (depending on the subrequest completion order), each of them would overwrite th…

  • Critical 9.8

    netmem: prevent TX of unreadable skbs

    In the Linux kernel, the following vulnerability has been resolved: netmem: prevent TX of unreadable skbs Currently on stable trees we have support for netmem/devmem RX but not TX. It is not safe to forward/redirect an RX unreadable netmem packet into the dev…

  • Critical 9.8

    nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu()

    In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix potential memory corruption in nvme_tcp_recv_pdu() nvme_tcp_recv_pdu() doesn't check the validity of the header length. When header digests are enabled, a target might send a pa…

  • Critical 9.8

    cifs: Fix oops due to uncleared server->smbd_conn in reconnect

    In the Linux kernel, the following vulnerability has been resolved: cifs: Fix oops due to uncleared server->smbd_conn in reconnect In smbd_destroy(), clear the server->smbd_conn pointer after freeing the smbd_connection struct that it points to so that reconn…

  • Critical 9.8

    nvmet: Fix crash when a namespace is disabled

    In the Linux kernel, the following vulnerability has been resolved: nvmet: Fix crash when a namespace is disabled The namespace percpu counter protects pending I/O, and we can only safely diable the namespace once the counter drop to zero. Otherwise we end up…

  • Critical 9.8

    ksmbd: fix racy issue from session lookup and expire

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue from session lookup and expire Increment the session reference count within the lock for lookup to avoid racy issue with session expire.

  • Critical 9.8

    RDMA/rxe: Fix the warning "__rxe_cleanup+0x12c/0x170 [rdma_rxe]"

    In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix the warning "__rxe_cleanup+0x12c/0x170 [rdma_rxe]" The Call Trace is as below: " <TASK> ? show_regs.cold+0x1a/0x1f ? __rxe_cleanup+0x12c/0x170 [rdma_rxe] ? __warn+0x84/0xd0 ? __…

  • Critical 9.8

    RDMA/rtrs: Add missing deinit() call

    In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs: Add missing deinit() call A warning is triggered when repeatedly connecting and disconnecting the rnbd: list_add corruption. prev->next should be next (ffff88800b13e480), but was f…

  • Critical 9.8

    nfsd: clear acl_access/acl_default after releasing them

    In the Linux kernel, the following vulnerability has been resolved: nfsd: clear acl_access/acl_default after releasing them If getting acl_default fails, acl_access and acl_default will be released simultaneously. However, acl_access will still retain a point…

  • Critical 9.8

    ksmbd: fix integer overflows on 32 bit systems

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix integer overflows on 32 bit systems On 32bit systems the addition operations in ipc_msg_alloc() can potentially overflow leading to memory corruption. Add bounds checking using KSM…

  • Critical 9.6

    PCI: dwc: ep: Prevent changing BAR size/flags in pci_epc_set_bar()

    In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: ep: Prevent changing BAR size/flags in pci_epc_set_bar() In commit 4284c88fff0e ("PCI: designware-ep: Allow pci_epc_set_bar() update inbound map address") set_bar() was modified to …

  • Critical 9.8

    mptcp: consolidate suboption status

    In the Linux kernel, the following vulnerability has been resolved: mptcp: consolidate suboption status MPTCP maintains the received sub-options status is the bitmask carrying the received suboptions and in several bitfields carrying per suboption additional …

  • Critical 9.8

    netfilter: conntrack: re-fetch conntrack after insertion

    In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: re-fetch conntrack after insertion In case the conntrack is clashing, insertion can free skb->_nfct and set skb->_nfct to the already-confirmed entry. This wasn't found …

  • Critical 9.8

    NFSv4: Fix free of uninitialized nfs4_label on referral lookup.

    In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix free of uninitialized nfs4_label on referral lookup. Send along the already-allocated fattr along with nfs4_fs_locations, and drop the memcpy of fattr. We end up growing two more a…

  • Critical 9.8

    dlm: fix plock invalid read

    In the Linux kernel, the following vulnerability has been resolved: dlm: fix plock invalid read This patch fixes an invalid read showed by KASAN. A unlock will allocate a "struct plock_op" and a followed send_op() will append it to a global send_list data str…

  • Critical 9.8

    NFSD: Fix potential use-after-free in nfsd_file_put()

    In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix potential use-after-free in nfsd_file_put() nfsd_file_put_noref() can free @nf, so don't dereference @nf immediately upon return from nfsd_file_put_noref().

  • Critical 9.8

    SUNRPC: Trap RDMA segment overflows

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Trap RDMA segment overflows Prevent svc_rdma_build_writes() from walking off the end of a Write chunk's segment array. Caught with KASAN. The test that this fix replaces is invalid, a…

  • Critical 9.8

    NFSD: prevent underflow in nfssvc_decode_writeargs()

    In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent underflow in nfssvc_decode_writeargs() Smatch complains: fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs() warn: no lower bound on 'args->len' Change the type to unsigned to preven…

  • Critical 9.8

    crypto: hisilicon/sec - fix the aead software fallback for engine

    In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/sec - fix the aead software fallback for engine Due to the subreq pointer misuse the private context memory. The aead soft crypto occasionally casues the OS panic as setting…

  • Critical 9.8

    ibmvnic: fix race between xmit and reset

    In the Linux kernel, the following vulnerability has been resolved: ibmvnic: fix race between xmit and reset There is a race between reset and the transmit paths that can lead to ibmvnic_xmit() accessing an scrq after it has been freed in the reset path. It c…

  • Critical 9.8

    net: bcmgenet: Use stronger register read/writes to assure ordering

    In the Linux kernel, the following vulnerability has been resolved: net: bcmgenet: Use stronger register read/writes to assure ordering GCC12 appears to be much smarter about its dependency tracking and is aware that the relaxed variants are just normal loads…

  • Critical 9.8

    rxrpc: Fix call timer start racing with call destruction

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix call timer start racing with call destruction The rxrpc_call struct has a timer used to handle various timed events relating to a call. This timer can get started from the packet i…

  • Critical 9.8

    net/tls: fix slab-out-of-bounds bug in decrypt_internal

    In the Linux kernel, the following vulnerability has been resolved: net/tls: fix slab-out-of-bounds bug in decrypt_internal The memory size of tls_ctx->rx.iv for AES128-CCM is 12 setting in tls_set_sw_offload(). The return value of crypto_aead_ivsize() for "c…

  • Critical 9.8

    skbuff: fix coalescing for page_pool fragment recycling

    In the Linux kernel, the following vulnerability has been resolved: skbuff: fix coalescing for page_pool fragment recycling Fix a use-after-free when using page_pool with page fragments. We encountered this problem during normal RX in the hns3 driver: (1) Ini…

  • Critical 9.1

    cifs: potential buffer overflow in handling symlinks

    In the Linux kernel, the following vulnerability has been resolved: cifs: potential buffer overflow in handling symlinks Smatch printed a warning: arch/x86/crypto/poly1305_glue.c:198 poly1305_update_arch() error: __memcpy() 'dctx->buf' too small (16 vs u32max…