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Package · Azure Linux

kernel

6,741 known vulnerabilities.

6,728 results · Feed

  • High 8.8

    Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_new_connection_cb()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2cap_sock_new_connection_cb() l2cap_sock_new_connection_cb() returned l2cap_pi(sk)->chan after release_sock(parent). Once the parent lock is dropped t…

  • High 7.8

    perf/core: Detach event groups during remove_on_exec

    In the Linux kernel, the following vulnerability has been resolved: perf/core: Detach event groups during remove_on_exec perf_event_remove_on_exec() removes events by calling perf_event_exit_event(). For top-level events, this removes the event from the conte…

  • Unscored —

    net: psample: fix info leak in PSAMPLE_ATTR_DATA

    In the Linux kernel, the following vulnerability has been resolved: net: psample: fix info leak in PSAMPLE_ATTR_DATA psample open codes nla_put() presumably to avoid wiping the data with 0s just to override it with packet data. This open coding is missing cle…

  • High 8.8

    netfilter: bridge: fix stale prevhdr pointer in br_ip6_fragment()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: fix stale prevhdr pointer in br_ip6_fragment() br_ip6_fragment() gets prevhdr, a pointer into the skb head, from ip6_find_1stfragopt(), then calls skb_checksum_help(). For …

  • Critical 9.1

    sctp: validate STALE_COOKIE cause length before reading staleness

    In the Linux kernel, the following vulnerability has been resolved: sctp: validate STALE_COOKIE cause length before reading staleness When an ERROR chunk with a STALE_COOKIE cause is received in the COOKIE_ECHOED state, sctp_sf_do_5_2_6_stale() reads the 4-by…

  • High 8.4

    virtio-net: fix len check in receive_big()

    In the Linux kernel, the following vulnerability has been resolved: virtio-net: fix len check in receive_big() receive_big() bounds the device-announced length by (big_packets_num_skbfrags + 1) * PAGE_SIZE. That is still too loose: add_recvbuf_big() sets sg[1…

  • High 7.3

    net: qualcomm: rmnet: validate MAP frame length before ingress parsing

    In the Linux kernel, the following vulnerability has been resolved: net: qualcomm: rmnet: validate MAP frame length before ingress parsing When ingress deaggregation is disabled, rmnet_map_ingress_handler() passes the skb straight to __rmnet_map_ingress_handl…

  • High 8.4

    bpf, sockmap: reject overflowing copy + len in bpf_msg_push_data()

    In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: reject overflowing copy + len in bpf_msg_push_data() When the scatterlist ring is full or nearly full, bpf_msg_push_data() enters a copy fallback path and computes copy + len fo…

  • Unscored —

    Bluetooth: bpa10x: avoid OOB read of revision string in bpa10x_setup()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bpa10x: avoid OOB read of revision string in bpa10x_setup() bpa10x_setup() sends the vendor command 0xfc0e and passes the response to bt_dev_info() and hci_set_fw_info() as a "%s" …

  • High 8.1

    net: usb: net1080: validate packet_len before pad-byte access in rx_fixup

    In the Linux kernel, the following vulnerability has been resolved: net: usb: net1080: validate packet_len before pad-byte access in rx_fixup For an even packet_len, net1080_rx_fixup() reads the pad byte at skb->data[packet_len] before the skb->len != packet_…

  • High 7.1

    drm/edid: fix OOB read in drm_parse_tiled_block()

    In the Linux kernel, the following vulnerability has been resolved: drm/edid: fix OOB read in drm_parse_tiled_block() drm_parse_tiled_block() casts the DisplayID block to a struct displayid_tiled_block and reads the full fixed layout up to tile->topology_id[7…

  • High 7.5

    net, bpf: check master for NULL in xdp_master_redirect()

    In the Linux kernel, the following vulnerability has been resolved: net, bpf: check master for NULL in xdp_master_redirect() xdp_master_redirect() dereferences the result of netdev_master_upper_dev_get_rcu() without a NULL check, but that helper returns NULL …

  • Unscored —

    crypto: asymmetric_keys - fix OOB read in pefile_digest_pe_contents

    In the Linux kernel, the following vulnerability has been resolved: crypto: asymmetric_keys - fix OOB read in pefile_digest_pe_contents pefile_digest_pe_contents() computes the trailing-data hash length as pelen - (hashed_bytes + certs_size). A crafted PE can…

  • High 7.8

    tipc: fix use-after-free of the discoverer in tipc_disc_rcv()

    In the Linux kernel, the following vulnerability has been resolved: tipc: fix use-after-free of the discoverer in tipc_disc_rcv() bearer_disable() frees b->disc with tipc_disc_delete()'s plain kfree(), but tipc_disc_rcv() still dereferences b->disc in RX soft…

  • Critical 9.8

    net/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket

    In the Linux kernel, the following vulnerability has been resolved: net/smc: fix UAF in smc_cdc_rx_handler() by pinning the socket smc_cdc_rx_handler() looks up the connection by token under the link group's conns_lock, drops the lock, and then dereferences c…

  • Unscored —

    ipv6: ndisc: fix NULL deref in accept_untracked_na()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in accept_untracked_na() accept_untracked_na() re-fetches the inet6_dev with __in6_dev_get(dev) and dereferences idev->cnf.accept_untracked_na without a NULL check…

  • High 7.8

    Bluetooth: eir: Fix stack OOB write when prepending the Flags AD

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: eir: Fix stack OOB write when prepending the Flags AD eir_create_adv_data() builds the advertising data into a fixed-size buffer ("size", 31 for the legacy path). It may prepend a …

  • High 8.1

    usbnet: gl620a: fix out-of-bounds read in genelink_rx_fixup()

    In the Linux kernel, the following vulnerability has been resolved: usbnet: gl620a: fix out-of-bounds read in genelink_rx_fixup() genelink_rx_fixup() splits an aggregated RX frame into its individual packets, using a per-packet length taken from device-suppli…

  • Unscored —

    ipv6: Fix null-ptr-deref in fib6_nh_mtu_change().

    In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix null-ptr-deref in fib6_nh_mtu_change(). fib6_nh_mtu_change() re-fetches idev via __in6_dev_get(arg->dev) and dereferences idev->cnf.mtu6 without a NULL check. addrconf_ifdown() clea…

  • High 8.1

    staging: rtl8723bs: fix OOB reads in is_ap_in_tkip() IE loop

    In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB reads in is_ap_in_tkip() IE loop The loop in is_ap_in_tkip() iterates over IEs without verifying that enough bytes remain before dereferencing the IE header or its…

  • High 7.8

    fs/ntfs3: validate lcns_follow in log_replay conversion

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: validate lcns_follow in log_replay conversion log_replay() converts DIR_PAGE_ENTRY_32 records into DIR_PAGE_ENTRY records when replaying version 0 restart tables. During this conver…

  • High 7.8

    fs/ntfs3: bound NTFS_DE view.data_off in UpdateRecordData{Root,Allocation}

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: bound NTFS_DE view.data_off in UpdateRecordData{Root,Allocation} In do_action()'s UpdateRecordDataRoot (fslog.c:3489) and UpdateRecordDataAllocation (fslog.c:3697) cases, the memmov…

  • High 7.8
    CVE-2026-64531 Public exploit

    net: openvswitch: reject oversized nested action attrs

    In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs Open vSwitch stores generated flow actions as nlattrs, whose nla_len field is u16. Commit a1e64addf3ff ("net: openvswitch: remove misbeh…

  • High 7.8

    net: nexthop: Increase weight to u16

    In the Linux kernel, the following vulnerability has been resolved: net: nexthop: Increase weight to u16 In CLOS networks, as link failures occur at various points in the network, ECMP weights of the involved nodes are adjusted to compensate. With high fan-ou…

  • Critical 9.8

    net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle

    In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_api: Handle TC_ACT_CONSUMED in tcf_qevent_handle tcf_classify() can return TC_ACT_CONSUMED while the skb is held by the defragmentation engine (e.g. act_ct on out-of-order frag…

  • Unscored —

    xfrm: move policy_bydst RCU sync from per-netns .exit to .pre_exit

    In the Linux kernel, the following vulnerability has been resolved: xfrm: move policy_bydst RCU sync from per-netns .exit to .pre_exit The struct pernet_operations docstring in include/net/net_namespace.h explicitly warns against blocking RCU primitives in .e…

  • Critical 9.8

    net/handshake: Take a long-lived file reference at submit

    In the Linux kernel, the following vulnerability has been resolved: net/handshake: Take a long-lived file reference at submit handshake_nl_accept_doit() needs the file pointer backing req->hr_sk->sk_socket to survive the window between handshake_req_next() an…

  • Unscored —

    userfaultfd: gate must_wait writability check on pte_present()

    In the Linux kernel, the following vulnerability has been resolved: userfaultfd: gate must_wait writability check on pte_present() userfaultfd_must_wait() and userfaultfd_huge_must_wait() read the PTE without taking the page table lock and then apply pte_writ…

  • Unscored —

    KVM: x86: Unconditionally recompute CR8 intercept on PPR update

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Unconditionally recompute CR8 intercept on PPR update The TPR_THRESHOLD field in the VMCS is used by VMX to induce VM exits when the guest's virtual TPR falls under the specified th…

  • Unscored —

    ACPI: CPPC: Suppress UBSAN warning caused by field misuse

    In the Linux kernel, the following vulnerability has been resolved: ACPI: CPPC: Suppress UBSAN warning caused by field misuse The definition of reg->access_width changes depending on the reg->space_id type. Type ACPI_ADR_SPACE_PLATFORM_COMM uses access_width …

  • Unscored —

    ACPI: NFIT: core: Fix possible NULL pointer dereference

    In the Linux kernel, the following vulnerability has been resolved: ACPI: NFIT: core: Fix possible NULL pointer dereference After commit 9b311b7313d6 ("ACPI: NFIT: Install Notify() handler before getting NFIT table"), acpi_nfit_probe() installs an ACPI notify…

  • High 7.0

    ACPI: NFIT: core: Fix acpi_nfit_init() error cleanup

    In the Linux kernel, the following vulnerability has been resolved: ACPI: NFIT: core: Fix acpi_nfit_init() error cleanup If acpi_nfit_init() fails after adding the acpi_desc object to the acpi_descs list, that object is never removed from that list because th…

  • Unscored —

    bpf: Support for hardening against JIT spraying

    In the Linux kernel, the following vulnerability has been resolved: bpf: Support for hardening against JIT spraying The BPF JIT allocator packs many small programs into larger executable allocations and reuses space within those allocations as programs are lo…

  • Unscored —
    CVE-2026-64507 Public exploit

    x86/bugs: Enable IBPB flush on BPF JIT allocation

    In the Linux kernel, the following vulnerability has been resolved: x86/bugs: Enable IBPB flush on BPF JIT allocation Enable hardening against JIT spraying when Spectre-v2 mitigations are in use. Specifically, issue an IBPB flush on BPF JIT memory reuse. Skip…

  • High 7.1

    iio: event: Fix event FIFO reset race

    In the Linux kernel, the following vulnerability has been resolved: iio: event: Fix event FIFO reset race `iio_event_getfd()` creates the event file descriptor with `anon_inode_getfd()`, which allocates a new fd, creates the anonymous file and installs it in …

  • Unscored —

    ALSA: caiaq: fix out-of-bounds read in the Traktor Kontrol S4 input parser

    In the Linux kernel, the following vulnerability has been resolved: ALSA: caiaq: fix out-of-bounds read in the Traktor Kontrol S4 input parser snd_usb_caiaq_tks4_dispatch() decodes the Traktor Kontrol S4 input stream in fixed 16-byte (TKS4_MSGBLOCK_SIZE) mess…

  • Unscored —

    ALSA: gus: check snd_ctl_new1() return value

    In the Linux kernel, the following vulnerability has been resolved: ALSA: gus: check snd_ctl_new1() return value snd_ctl_new1() can return NULL when memory allocation fails. snd_gf1_pcm_volume_control() does not check the return value before dereferencing kct…

  • Unscored —

    ALSA: usb-audio: avoid kobject path lookup in DualSense match

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: avoid kobject path lookup in DualSense match The DualSense jack-detection input handler verifies that a matching input device belongs to the same physical controller by build…

  • High 8.8

    vfio/pci: Release the VGA arbiter client on register_device() failure

    In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Release the VGA arbiter client on register_device() failure The re-order in the Fixes commit below displaced vfio_pci_vga_init() as the last failure point of what is now vfio_pci_co…

  • Unscored —

    vfio: prevent infinite loop in vfio_mig_get_next_state() on blocked arc

    In the Linux kernel, the following vulnerability has been resolved: vfio: prevent infinite loop in vfio_mig_get_next_state() on blocked arc vfio_mig_get_next_state() walks vfio_from_fsm_table[] one step at a time, looping to skip optional states the device do…