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Package · Ubuntu

linux-kvm

12,405 known vulnerabilities.

12,259 results · Feed

  • High 7.8

    fs/ntfs3: Add overflow check for attribute size

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add overflow check for attribute size The offset addition could overflow and pass the used size check given an attribute with very large size (e.g., 0xffffff7f) while parsing MFT at…

  • Unscored —

    jbd2: fix potential buffer head reference count leak

    In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential buffer head reference count leak As in 'jbd2_fc_wait_bufs' if buffer isn't uptodate, will return -EIO without update 'journal->j_fc_off'. But 'jbd2_fc_release_bufs' will r…

  • Unscored —

    net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path

    In the Linux kernel, the following vulnerability has been resolved: net: dsa: tag_8021q: avoid leaking ctx on dsa_tag_8021q_register() error path If dsa_tag_8021q_setup() fails, for example due to the inability of the device to install a VLAN, the tag_8021q c…

  • Unscored —

    net: stream: purge sk_error_queue in sk_stream_kill_queues()

    In the Linux kernel, the following vulnerability has been resolved: net: stream: purge sk_error_queue in sk_stream_kill_queues() Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1) SOF_TIMES…

  • Unscored —

    remoteproc: sysmon: fix memory leak in qcom_add_sysmon_subdev()

    In the Linux kernel, the following vulnerability has been resolved: remoteproc: sysmon: fix memory leak in qcom_add_sysmon_subdev() The kfree() should be called when of_irq_get_byname() fails or devm_request_threaded_irq() fails in qcom_add_sysmon_subdev(), o…

  • Unscored —

    nfc: Fix potential resource leaks

    In the Linux kernel, the following vulnerability has been resolved: nfc: Fix potential resource leaks nfc_get_device() take reference for the device, add missing nfc_put_device() to release it when not need anymore. Also fix the style warnning by use error EO…

  • Unscored —

    jbd2: add miss release buffer head in fc_do_one_pass()

    In the Linux kernel, the following vulnerability has been resolved: jbd2: add miss release buffer head in fc_do_one_pass() In fc_do_one_pass() miss release buffer head after use which will lead to reference count leak.

  • Unscored —

    wifi: wilc1000: fix potential memory leak in wilc_mac_xmit()

    In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix potential memory leak in wilc_mac_xmit() The wilc_mac_xmit() returns NETDEV_TX_OK without freeing skb, add dev_kfree_skb() to fix it. Compile tested only.

  • Unscored —

    auxdisplay: hd44780: Fix potential memory leak in hd44780_remove()

    In the Linux kernel, the following vulnerability has been resolved: auxdisplay: hd44780: Fix potential memory leak in hd44780_remove() hd44780_probe() allocates a memory chunk for hd with kzalloc() and makes "lcd->drvdata->hd44780" point to it. When we call h…

  • Unscored —

    wifi: ath9k: hif_usb: Fix use-after-free in ath9k_hif_usb_reg_in_cb()

    In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: hif_usb: Fix use-after-free in ath9k_hif_usb_reg_in_cb() It is possible that skb is freed in ath9k_htc_rx_msg(), then usb_submit_urb() fails and we try to free skb again. It caus…

  • Unscored —

    clk: zynqmp: Fix stack-out-of-bounds in strncpy`

    In the Linux kernel, the following vulnerability has been resolved: clk: zynqmp: Fix stack-out-of-bounds in strncpy` "BUG: KASAN: stack-out-of-bounds in strncpy+0x30/0x68" Linux-ATF interface is using 16 bytes of SMC payload. In case clock name is longer than…

  • Critical 9.1

    ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in init_smb2_rsp_hdr When smb1 mount fails, KASAN detect slab-out-of-bounds in init_smb2_rsp_hdr like the following one. For smb1 negotiate(56bytes) , init_smb2_…

  • High 7.8

    RDMA/efa: Fix wrong resources deallocation order

    In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Fix wrong resources deallocation order When trying to destroy QP or CQ, we first decrease the refcount and potentially free memory regions allocated for the object and then request …

  • High 7.8

    drm/i915: fix race condition UAF in i915_perf_add_config_ioctl

    In the Linux kernel, the following vulnerability has been resolved: drm/i915: fix race condition UAF in i915_perf_add_config_ioctl Userspace can guess the id value and try to race oa_config object creation with config remove, resulting in a use-after-free if …

  • High 7.8

    netfilter: nf_tables: always release netdev hooks from notifier

    In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: always release netdev hooks from notifier This reverts "netfilter: nf_tables: skip netdev events generated on netns removal". The problem is that when a veth device is r…

  • High 7.8

    tty: fix out-of-bounds access in tty_driver_lookup_tty()

    In the Linux kernel, the following vulnerability has been resolved: tty: fix out-of-bounds access in tty_driver_lookup_tty() When specifying an invalid console= device like console=tty3270, tty_driver_lookup_tty() returns the tty struct without checking wheth…

  • Unscored —

    drm/msm/adreno: Fix null ptr access in adreno_gpu_cleanup()

    In the Linux kernel, the following vulnerability has been resolved: drm/msm/adreno: Fix null ptr access in adreno_gpu_cleanup() Fix the below kernel panic due to null pointer access: [ 18.504431] Unable to handle kernel NULL pointer dereference at virtual add…

  • Unscored —

    fs/ntfs3: Fix NULL pointer dereference in 'ni_write_inode'

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix NULL pointer dereference in 'ni_write_inode' Syzbot found the following issue: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000016 Mem abort inf…

  • Unscored —

    exfat: use kvmalloc_array/kvfree instead of kmalloc_array/kfree

    In the Linux kernel, the following vulnerability has been resolved: exfat: use kvmalloc_array/kvfree instead of kmalloc_array/kfree The call stack shown below is a scenario in the Linux 4.19 kernel. Allocating memory failed where exfat fs use kmalloc_array du…

  • High 7.8

    net/sched: cls_api: remove block_cb from driver_list before freeing

    In the Linux kernel, the following vulnerability has been resolved: net/sched: cls_api: remove block_cb from driver_list before freeing Error handler of tcf_block_bind() frees the whole bo->cb_list on error. However, by that time the flow_block_cb instances a…

  • Unscored —

    leds: led-core: Fix refcount leak in of_led_get()

    In the Linux kernel, the following vulnerability has been resolved: leds: led-core: Fix refcount leak in of_led_get() class_find_device_by_of_node() calls class_find_device(), it will take the reference, use the put_device() to drop the reference when not nee…

  • Unscored —

    pstore/ram: Add check for kstrdup

    In the Linux kernel, the following vulnerability has been resolved: pstore/ram: Add check for kstrdup Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer dereference.

  • High 7.8

    f2fs: fix potential corruption when moving a directory

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential corruption when moving a directory F2FS has the same issue in ext4_rename causing crash revealed by xfstests/generic/707. See also commit 0813299c586b ("ext4: Fix possible…

  • Unscored —

    btrfs: remove BUG_ON()'s in add_new_free_space()

    In the Linux kernel, the following vulnerability has been resolved: btrfs: remove BUG_ON()'s in add_new_free_space() At add_new_free_space() we have these BUG_ON()'s that are there to deal with any failure to add free space to the in memory free space cache. …

  • High 7.8

    usb: typec: altmodes/displayport: fix pin_assignment_show

    In the Linux kernel, the following vulnerability has been resolved: usb: typec: altmodes/displayport: fix pin_assignment_show This patch fixes negative indexing of buf array in pin_assignment_show when get_current_pin_assignments returns 0 i.e. no compatible …

  • Critical 9.8

    scsi: target: iscsit: Free cmds before session free

    In the Linux kernel, the following vulnerability has been resolved: scsi: target: iscsit: Free cmds before session free Commands from recovery entries are freed after session has been closed. That leads to use-after-free at command free or NPE with such call …

  • High 7.1

    f2fs: fix to check readonly condition correctly

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to check readonly condition correctly With below case, it can mount multi-device image w/ rw option, however one of secondary device is set as ro, later update will cause panic, so …

  • Unscored —

    media: v4l2-core: Fix a potential resource leak in v4l2_fwnode_parse_link()

    In the Linux kernel, the following vulnerability has been resolved: media: v4l2-core: Fix a potential resource leak in v4l2_fwnode_parse_link() If fwnode_graph_get_remote_endpoint() fails, 'fwnode' is known to be NULL, so fwnode_handle_put() is a no-op. Relea…

  • Unscored —

    bpf: Fix issue in verifying allow_ptr_leaks

    In the Linux kernel, the following vulnerability has been resolved: bpf: Fix issue in verifying allow_ptr_leaks After we converted the capabilities of our networking-bpf program from cap_sys_admin to cap_net_admin+cap_bpf, our networking-bpf program failed to…

  • Unscored —

    scsi: qla2xxx: Array index may go out of bound

    In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Array index may go out of bound Klocwork reports array 'vha->host_str' of size 16 may use index value(s) 16..19. Use snprintf() instead of sprintf().

  • Unscored —

    btrfs: handle case when repair happens with dev-replace

    In the Linux kernel, the following vulnerability has been resolved: btrfs: handle case when repair happens with dev-replace [BUG] There is a bug report that a BUG_ON() in btrfs_repair_io_failure() (originally repair_io_failure() in v6.0 kernel) got triggered …

  • Unscored —

    of: unittest: fix null pointer dereferencing in of_unittest_find_node_by_name()

    In the Linux kernel, the following vulnerability has been resolved: of: unittest: fix null pointer dereferencing in of_unittest_find_node_by_name() when kmalloc() fail to allocate memory in kasprintf(), name or full_name will be NULL, strcmp() will cause null…

  • Unscored —

    quota: fix warning in dqgrab()

    In the Linux kernel, the following vulnerability has been resolved: quota: fix warning in dqgrab() There's issue as follows when do fault injection: WARNING: CPU: 1 PID: 14870 at include/linux/quotaops.h:51 dquot_disable+0x13b7/0x18c0 Modules linked in: CPU: …

  • Unscored —

    mptcp: stricter state check in mptcp_worker

    In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcp_worker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect() // incoming reset…

  • High 7.8

    bpf: Disable preemption in bpf_event_output

    In the Linux kernel, the following vulnerability has been resolved: bpf: Disable preemption in bpf_event_output We received report [1] of kernel crash, which is caused by using nesting protection without disabled preemption. The bpf_event_output can be called…

  • Unscored —

    tracing: Fix memory leak of iter->temp when reading trace_pipe

    In the Linux kernel, the following vulnerability has been resolved: tracing: Fix memory leak of iter->temp when reading trace_pipe kmemleak reports: unreferenced object 0xffff88814d14e200 (size 256): comm "cat", pid 336, jiffies 4294871818 (age 779.490s) hex …

  • Unscored —

    net/mlx5e: fix memory leak in mlx5e_ptp_open

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: fix memory leak in mlx5e_ptp_open When kvzalloc_node or kvzalloc failed in mlx5e_ptp_open, the memory pointed by "c" or "cparams" is not freed, which can lead to a memory leak. Fix…

  • Unscored —

    keys: Fix linking a duplicate key to a keyring's assoc_array

    In the Linux kernel, the following vulnerability has been resolved: keys: Fix linking a duplicate key to a keyring's assoc_array When making a DNS query inside the kernel using dns_query(), the request code can in rare cases end up creating a duplicate index …

  • High 7.8

    RDMA/mlx4: Prevent shift wrapping in set_user_sq_size()

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx4: Prevent shift wrapping in set_user_sq_size() The ucmd->log_sq_bb_count variable is controlled by the user so this shift can wrap. Fix it by using check_shl_overflow() in the same w…

  • High 7.8

    igc: Fix Kernel Panic during ndo_tx_timeout callback

    In the Linux kernel, the following vulnerability has been resolved: igc: Fix Kernel Panic during ndo_tx_timeout callback The Xeon validation group has been carrying out some loaded tests with various HW configurations, and they have seen some transmit queue t…