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Package · Ubuntu

linux-kvm

12,406 known vulnerabilities.

12,260 results · Feed

  • High 7.8

    usb: gadget: f_fs: Fix race between aio_cancel() and AIO request complete

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_fs: Fix race between aio_cancel() and AIO request complete FFS based applications can utilize the aio_cancel() callback to dequeue pending USB requests submitted to the UDC. Th…

  • Unscored —

    mptcp: ensure snd_nxt is properly initialized on connect

    In the Linux kernel, the following vulnerability has been resolved: mptcp: ensure snd_nxt is properly initialized on connect Christoph reported a splat hinting at a corrupted snd_una: WARNING: CPU: 1 PID: 38 at net/mptcp/protocol.c:1005 __mptcp_clean_una+0x4b…

  • Critical 9.8
    CVE-2024-36886 Public exploit

    tipc: fix UAF in error path

    In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in error path Sam Page (sam4k) working with Trend Micro Zero Day Initiative reported a UAF in the tipc_buf_append() error path: BUG: KASAN: slab-use-after-free in kfree_skb_list…

  • High 7.8

    net: fix out-of-bounds access in ops_init

    In the Linux kernel, the following vulnerability has been resolved: net: fix out-of-bounds access in ops_init net_alloc_generic is called by net_alloc, which is called without any locking. It reads max_gen_ptrs, which is changed under pernet_ops_rwsem. It is …

  • High 7.8

    Bluetooth: qca: add missing firmware sanity checks

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: add missing firmware sanity checks Add the missing sanity checks when parsing the firmware files before downloading them to avoid accessing and corrupting memory beyond the vm…

  • High 8.1

    Bluetooth: qca: fix info leak when fetching fw build id

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: qca: fix info leak when fetching fw build id Add the missing sanity checks and move the 255-byte build-id buffer off the stack to avoid leaking stack data through debugfs in case t…

  • Unscored —

    clk: sunxi-ng: h6: Reparent CPUX during PLL CPUX rate change

    In the Linux kernel, the following vulnerability has been resolved: clk: sunxi-ng: h6: Reparent CPUX during PLL CPUX rate change While PLL CPUX clock rate change when CPU is running from it works in vast majority of cases, now and then it causes instability. …

  • Critical 9.8

    keys: Fix overwrite of key expiration on instantiation

    In the Linux kernel, the following vulnerability has been resolved: keys: Fix overwrite of key expiration on instantiation The expiry time of a key is unconditionally overwritten during instantiation, defaulting to turn it permanent. This causes a problem for…

  • Unscored —

    mmc: sdhci-msm: pervent access to suspended controller

    In the Linux kernel, the following vulnerability has been resolved: mmc: sdhci-msm: pervent access to suspended controller Generic sdhci code registers LED device and uses host->runtime_suspended flag to protect access to it. The sdhci-msm driver doesn't set …

  • Unscored —

    scsi: qla2xxx: Fix off by one in qla_edif_app_getstats()

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Fix off by one in qla_edif_app_getstats() The app_reply->elem[] array is allocated earlier in this function and it has app_req.num_ports elements. Thus this > comparison needs …

  • Unscored —

    drm/amd/display: Disable idle reallow as part of command/gpint execution

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Disable idle reallow as part of command/gpint execution [Why] Workaroud for a race condition where DMCUB is in the process of committing to IPS1 during the handshake causing …

  • Unscored —

    net: hns3: fix kernel crash when devlink reload during pf initialization

    In the Linux kernel, the following vulnerability has been resolved: net: hns3: fix kernel crash when devlink reload during pf initialization The devlink reload process will access the hardware resources, but the register operation is done before the hardware …

  • High 7.8

    i40e: fix vf may be used uninitialized in this function warning

    In the Linux kernel, the following vulnerability has been resolved: i40e: fix vf may be used uninitialized in this function warning To fix the regression introduced by commit 52424f974bc5, which causes servers hang in very hard to reproduce conditions with re…

  • Unscored —

    rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation

    In the Linux kernel, the following vulnerability has been resolved: rtnetlink: Correct nested IFLA_VF_VLAN_LIST attribute validation Each attribute inside a nested IFLA_VF_VLAN_LIST is assumed to be a struct ifla_vf_vlan_info so the size of such attribute nee…

  • High 7.8

    tty: n_gsm: fix possible out-of-bounds in gsm0_receive()

    In the Linux kernel, the following vulnerability has been resolved: tty: n_gsm: fix possible out-of-bounds in gsm0_receive() Assuming the following: - side A configures the n_gsm in basic option mode - side B sends the header of a basic option mode frame with…

  • Critical 9.8

    tcp: do not accept ACK of bytes we never sent

    In the Linux kernel, the following vulnerability has been resolved: tcp: do not accept ACK of bytes we never sent This patch is based on a detailed report and ideas from Yepeng Pan and Christian Rossow. ACK seq validation is currently following RFC 5961 5.2 g…

  • Unscored —

    ppdev: Add an error check in register_device

    In the Linux kernel, the following vulnerability has been resolved: ppdev: Add an error check in register_device In register_device, the return value of ida_simple_get is unchecked, in witch ida_simple_get will use an invalid index value. To address this issu…

  • Unscored —

    drm/arm/malidp: fix a possible null pointer dereference

    In the Linux kernel, the following vulnerability has been resolved: drm/arm/malidp: fix a possible null pointer dereference In malidp_mw_connector_reset, new memory is allocated with kzalloc, but no check is performed. In order to prevent null pointer derefer…

  • High 7.8

    tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc

    In the Linux kernel, the following vulnerability has been resolved: tty: n_gsm: require CAP_NET_ADMIN to attach N_GSM0710 ldisc Any unprivileged user can attach N_GSM0710 ldisc, but it requires CAP_NET_ADMIN to create a GSM network anyway. Require initial nam…

  • Unscored —

    net: nexthop: fix null pointer dereference when IPv6 is not enabled

    In the Linux kernel, the following vulnerability has been resolved: net: nexthop: fix null pointer dereference when IPv6 is not enabled When we try to add an IPv6 nexthop and IPv6 is not enabled (!CONFIG_IPV6) we'll hit a NULL pointer dereference[1] in the er…

  • Unscored —

    staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect()

    In the Linux kernel, the following vulnerability has been resolved: staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect() The free_rtllib() function frees the "dev" pointer so there is use after free on the next line. Re-arrange things to avoid th…

  • Unscored —

    proc/vmcore: fix clearing user buffer by properly using clear_user()

    In the Linux kernel, the following vulnerability has been resolved: proc/vmcore: fix clearing user buffer by properly using clear_user() To clear a user buffer we cannot simply use memset, we have to use clear_user(). With a virtio-mem device that registers a…

  • Unscored —

    scsi: mpt3sas: Fix kernel panic during drive powercycle test

    In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix kernel panic during drive powercycle test While looping over shost's sdev list it is possible that one of the drives is getting removed and its sas_target object is freed b…

  • Unscored —

    mlxsw: spectrum: Protect driver from buggy firmware

    In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum: Protect driver from buggy firmware When processing port up/down events generated by the device's firmware, the driver protects itself from events reported for non-existent lo…

  • High 7.5

    net/smc: Fix NULL pointer dereferencing in smc_vlan_by_tcpsk()

    In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix NULL pointer dereferencing in smc_vlan_by_tcpsk() Coverity reports a possible NULL dereferencing problem: in smc_vlan_by_tcpsk(): 6. returned_null: netdev_lower_get_next returns …

  • High 7.8

    net: vlan: fix underflow for the real_dev refcnt

    In the Linux kernel, the following vulnerability has been resolved: net: vlan: fix underflow for the real_dev refcnt Inject error before dev_hold(real_dev) in register_vlan_dev(), and execute the following testcase: ip link add dev dummy1 type dummy ip link a…

  • High 7.8

    blk-mq: cancel blk-mq dispatch work in both blk_cleanup_queue and disk_release()

    In the Linux kernel, the following vulnerability has been resolved: blk-mq: cancel blk-mq dispatch work in both blk_cleanup_queue and disk_release() For avoiding to slow down queue destroy, we don't call blk_mq_quiesce_queue() in blk_cleanup_queue(), instead …

  • Unscored —

    sata_fsl: fix UAF in sata_fsl_port_stop when rmmod sata_fsl

    In the Linux kernel, the following vulnerability has been resolved: sata_fsl: fix UAF in sata_fsl_port_stop when rmmod sata_fsl When the `rmmod sata_fsl.ko` command is executed in the PPC64 GNU/Linux, a bug is reported: =======================================…

  • Critical 9.8

    ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port()

    In the Linux kernel, the following vulnerability has been resolved: ethernet: hisilicon: hns: hns_dsaf_misc: fix a possible array overflow in hns_dsaf_ge_srst_by_port() The if statement: if (port >= DSAF_GE_NUM) return; limits the value of port less than DSAF…

  • Unscored —

    ipv6: fix memory leak in fib6_rule_suppress

    In the Linux kernel, the following vulnerability has been resolved: ipv6: fix memory leak in fib6_rule_suppress The kernel leaks memory when a `fib` rule is present in IPv6 nftables firewall rules and a suppress_prefix rule is present in the IPv6 routing rule…

  • Medium 4.4

    net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound

    In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the 'for' end, the 'k' is 8. At this time, …

  • Critical 9.8

    tcp: fix page frag corruption on page fault

    In the Linux kernel, the following vulnerability has been resolved: tcp: fix page frag corruption on page fault Steffen reported a TCP stream corruption for HTTP requests served by the apache web-server using a cifs mount-point and memory mapping the relevant…

  • Unscored —

    net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings()

    In the Linux kernel, the following vulnerability has been resolved: net: qlogic: qlcnic: Fix a NULL pointer dereference in qlcnic_83xx_add_rings() In qlcnic_83xx_add_rings(), the indirect function of ahw->hw_ops->alloc_mbx_args will be called to allocate memo…

  • High 7.8

    net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources()

    In the Linux kernel, the following vulnerability has been resolved: net/mlx4_en: Fix an use-after-free bug in mlx4_en_try_alloc_resources() In mlx4_en_try_alloc_resources(), mlx4_en_copy_priv() is called and tmp->tx_cq will be freed on the error path of mlx4_…

  • Unscored —

    rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer()

    In the Linux kernel, the following vulnerability has been resolved: rxrpc: Fix rxrpc_local leak in rxrpc_lookup_peer() Need to call rxrpc_put_local() for peer candidate before kfree() as it holds a ref to rxrpc_local. [DH: v2: Changed to abstract the peer fre…

  • Unscored —

    serial: core: fix transmit-buffer reset and memleak

    In the Linux kernel, the following vulnerability has been resolved: serial: core: fix transmit-buffer reset and memleak Commit 761ed4a94582 ("tty: serial_core: convert uart_close to use tty_port_close") converted serial core to use tty_port_close() but failed…

  • Unscored —

    IB/hfi1: Fix leak of rcvhdrtail_dummy_kvaddr

    In the Linux kernel, the following vulnerability has been resolved: IB/hfi1: Fix leak of rcvhdrtail_dummy_kvaddr This buffer is currently allocated in hfi1_init(): if (reinit) ret = init_after_reset(dd); else ret = loadtime_init(dd); if (ret) goto done; /* al…

  • Unscored —

    HID: bigbenff: prevent null pointer dereference

    In the Linux kernel, the following vulnerability has been resolved: HID: bigbenff: prevent null pointer dereference When emulating the device through uhid, there is a chance we don't have output reports and so report_field is null.

  • Unscored —

    can: sja1000: fix use after free in ems_pcmcia_add_card()

    In the Linux kernel, the following vulnerability has been resolved: can: sja1000: fix use after free in ems_pcmcia_add_card() If the last channel is not available then "dev" is freed. Fortunately, we can just use "pdev->irq" instead. Also we should check if a…

  • High 8.8

    can: pch_can: pch_can_rx_normal: fix use after free

    In the Linux kernel, the following vulnerability has been resolved: can: pch_can: pch_can_rx_normal: fix use after free After calling netif_receive_skb(skb), dereferencing skb is unsafe. Especially, the can_frame cf which aliases skb memory is dereferenced ju…