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Package · Ubuntu

linux-kvm

12,405 known vulnerabilities.

12,259 results · Feed

  • Unscored —

    f2fs: fix to avoid overflow while left shift operation

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid overflow while left shift operation Should cast type of folio->index from pgoff_t to loff_t to avoid overflow while left shift operation.

  • High 8.1

    tcp_metrics: use dst_dev_net_rcu()

    In the Linux kernel, the following vulnerability has been resolved: tcp_metrics: use dst_dev_net_rcu() Replace three dst_dev() with a lockdep enabled helper.

  • Critical 9.8

    ipv4: start using dst_dev_rcu()

    In the Linux kernel, the following vulnerability has been resolved: ipv4: start using dst_dev_rcu() Change icmpv4_xrlim_allow(), ip_defrag() to prevent possible UAF. Change ipmr_prepare_xmit(), ipmr_queue_fwd_xmit(), ip_mr_output(), ipv4_neigh_lookup() to use…

  • Unscored —

    tty: n_gsm: Don't block input queue by waiting MSC

    In the Linux kernel, the following vulnerability has been resolved: tty: n_gsm: Don't block input queue by waiting MSC Currently gsm_queue() processes incoming frames and when opening a DLC channel it calls gsm_dlci_open() which calls gsm_modem_update(). If b…

  • Unscored —

    pps: fix warning in pps_register_cdev when register device fail

    In the Linux kernel, the following vulnerability has been resolved: pps: fix warning in pps_register_cdev when register device fail Similar to previous commit 2a934fdb01db ("media: v4l2-dev: fix error handling in __video_register_device()"), the release hook …

  • High 8.4

    fs: ntfs3: Fix integer overflow in run_unpack()

    In the Linux kernel, the following vulnerability has been resolved: fs: ntfs3: Fix integer overflow in run_unpack() The MFT record relative to the file being opened contains its runlist, an array containing information about the file's location on the physica…

  • High 7.8

    smc: Fix use-after-free in __pnet_find_base_ndev().

    In the Linux kernel, the following vulnerability has been resolved: smc: Fix use-after-free in __pnet_find_base_ndev(). syzbot reported use-after-free of net_device in __pnet_find_base_ndev(), which was called during connect(). [0] smc_pnet_find_ism_resource(…

  • Unscored —

    coresight: trbe: Return NULL pointer for allocation failures

    In the Linux kernel, the following vulnerability has been resolved: coresight: trbe: Return NULL pointer for allocation failures When the TRBE driver fails to allocate a buffer, it currently returns the error code "-ENOMEM". However, the caller etm_setup_aux(…

  • Unscored —

    ptp: Add a upper bound on max_vclocks

    In the Linux kernel, the following vulnerability has been resolved: ptp: Add a upper bound on max_vclocks syzbot reported WARNING in max_vclocks_store. This occurs when the argument max is too large for kcalloc to handle. Extend the guard to guard against val…

  • High 7.8

    f2fs: fix UAF issue in f2fs_merge_page_bio()

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix UAF issue in f2fs_merge_page_bio() As JY reported in bugzilla [1], Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 pc : [0xffffffe51d249484] f2f…

  • Unscored —

    ocfs2: fix double free in user_cluster_connect()

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix double free in user_cluster_connect() user_cluster_disconnect() frees "conn->cc_private" which is "lc" but then the error handling frees "lc" a second time. Set "lc" to NULL on thi…

  • High 7.5

    net: dlink: handle copy_thresh allocation failure

    In the Linux kernel, the following vulnerability has been resolved: net: dlink: handle copy_thresh allocation failure The driver did not handle failure of `netdev_alloc_skb_ip_align()`. If the allocation failed, dereferencing `skb->protocol` could lead to a N…

  • Unscored —

    Squashfs: fix uninit-value in squashfs_get_parent

    In the Linux kernel, the following vulnerability has been resolved: Squashfs: fix uninit-value in squashfs_get_parent Syzkaller reports a "KMSAN: uninit-value in squashfs_get_parent" bug. This is caused by open_by_handle_at() being called with a file handle c…

  • High 7.5

    uio_hv_generic: Let userspace take care of interrupt mask

    In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Let userspace take care of interrupt mask Remove the logic to set interrupt mask by default in uio_hv_generic driver as the interrupt mask value is supposed to be controlled c…

  • High 7.8

    fs: udf: fix OOB read in lengthAllocDescs handling

    In the Linux kernel, the following vulnerability has been resolved: fs: udf: fix OOB read in lengthAllocDescs handling When parsing Allocation Extent Descriptor, lengthAllocDescs comes from on-disk data and must be validated against the block size. Crafted or…

  • High 8.8

    net: nfc: nci: Add parameter validation for packet data

    In the Linux kernel, the following vulnerability has been resolved: net: nfc: nci: Add parameter validation for packet data Syzbot reported an uninitialized value bug in nci_init_req, which was introduced by commit 5aca7966d2a7 ("Merge tag 'perf-tools-fixes-f…

  • Unscored —

    tracing: Fix race condition in kprobe initialization causing NULL pointer dereference

    In the Linux kernel, the following vulnerability has been resolved: tracing: Fix race condition in kprobe initialization causing NULL pointer dereference There is a critical race condition in kprobe initialization that can lead to NULL pointer dereference and…

  • High 7.8
    CVE-2025-40040 Public exploit

    mm/ksm: fix flag-dropping behavior in ksm_madvise

    In the Linux kernel, the following vulnerability has been resolved: mm/ksm: fix flag-dropping behavior in ksm_madvise syzkaller discovered the following crash: (kernel BUG) [ 44.607039] ------------[ cut here ]------------ [ 44.607422] kernel BUG at mm/userfa…

  • High 8.8

    ksmbd: Fix race condition in RPC handle list access

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix race condition in RPC handle list access The 'sess->rpc_handle_list' XArray manages RPC handles within a ksmbd session. Access to this list is intended to be protected by 'sess->rp…

  • Unscored —

    Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak

    In the Linux kernel, the following vulnerability has been resolved: Input: uinput - zero-initialize uinput_ff_upload_compat to avoid info leak Struct ff_effect_compat is embedded twice inside uinput_ff_upload_compat, contains internal padding. In particular, …

  • Unscored —

    misc: fastrpc: fix possible map leak in fastrpc_put_args

    In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix possible map leak in fastrpc_put_args copy_to_user() failure would cause an early return without cleaning up the fdlist, which has been updated by the DSP. This could lead …

  • Unscored —

    PCI: endpoint: pci-epf-test: Add NULL check for DMA channels before release

    In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-test: Add NULL check for DMA channels before release The fields dma_chan_tx and dma_chan_rx of the struct pci_epf_test can be NULL even after EPF initialization. Then i…

  • Unscored —

    pinctrl: check the return value of pinmux_ops::get_function_name()

    In the Linux kernel, the following vulnerability has been resolved: pinctrl: check the return value of pinmux_ops::get_function_name() While the API contract in docs doesn't specify it explicitly, the generic implementation of the get_function_name() callback…

  • Unscored —

    bus: fsl-mc: Check return value of platform_get_resource()

    In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc: Check return value of platform_get_resource() platform_get_resource() returns NULL in case of failure, so check its return value and propagate the error in order to prevent NULL …

  • High 7.8

    net/9p: fix double req put in p9_fd_cancelled

    In the Linux kernel, the following vulnerability has been resolved: net/9p: fix double req put in p9_fd_cancelled Syzkaller reports a KASAN issue as below: general protection fault, probably for non-canonical address 0xfbd59c0000000021: 0000 [#1] PREEMPT SMP …

  • High 7.9

    KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O When completing emulation of instruction that generated a userspace exit for I/O, don't recheck L1 intercepts as KVM has …

  • High 7.8

    f2fs: fix to do sanity check on node footer for non inode dnode

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on node footer for non inode dnode As syzbot reported below: ------------[ cut here ]------------ kernel BUG at fs/f2fs/file.c:1243! Oops: invalid opcode: 0000 [#…

  • Unscored —

    tracing: dynevent: Add a missing lockdown check on dynevent

    In the Linux kernel, the following vulnerability has been resolved: tracing: dynevent: Add a missing lockdown check on dynevent Since dynamic_events interface on tracefs is compatible with kprobe_events and uprobe_events, it should also check the lockdown sta…

  • Unscored —

    can: peak_usb: fix shift-out-of-bounds issue

    In the Linux kernel, the following vulnerability has been resolved: can: peak_usb: fix shift-out-of-bounds issue Explicitly uses a 64-bit constant when the number of bits used for its shifting is 32 (which is the case for PC CAN FD interfaces supported by thi…

  • Unscored —
    CVE-2025-40019 Public exploit

    crypto: essiv - Check ssize for decryption and in-place encryption

    In the Linux kernel, the following vulnerability has been resolved: crypto: essiv - Check ssize for decryption and in-place encryption Move the ssize check to the start in essiv_aead_crypt so that it's also checked for decryption and in-place encryption.

  • High 7.8

    net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode

    In the Linux kernel, the following vulnerability has been resolved: net: sched: cls_u32: Undo tcf_bind_filter if u32_replace_hw_knode When u32_replace_hw_knode fails, we need to undo the tcf_bind_filter operation done at u32_set_parms.

  • High 7.8

    ipvs: Defer ip_vs_ftp unregister during netns cleanup

    In the Linux kernel, the following vulnerability has been resolved: ipvs: Defer ip_vs_ftp unregister during netns cleanup On the netns cleanup path, __ip_vs_ftp_exit() may unregister ip_vs_ftp before connections with valid cp->app pointers are flushed, leadin…

  • Unscored —

    fs/ntfs3: Fix NULL dereference in ni_write_inode

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix NULL dereference in ni_write_inode Syzbot reports a NULL dereference in ni_write_inode. When creating a new inode, if allocation fails in mi_init function (called in mi_format_n…

  • Unscored —

    netlink: fix potential deadlock in netlink_set_err()

    In the Linux kernel, the following vulnerability has been resolved: netlink: fix potential deadlock in netlink_set_err() syzbot reported a possible deadlock in netlink_set_err() [1] A similar issue was fixed in commit 1d482e666b8e ("netlink: disable IRQs for …

  • Unscored —

    blk-iocost: use spin_lock_irqsave in adjust_inuse_and_calc_cost

    In the Linux kernel, the following vulnerability has been resolved: blk-iocost: use spin_lock_irqsave in adjust_inuse_and_calc_cost adjust_inuse_and_calc_cost() use spin_lock_irq() and IRQ will be enabled when unlock. DEADLOCK might happen if we have held oth…

  • Unscored —

    posix-timers: Ensure timer ID search-loop limit is valid

    In the Linux kernel, the following vulnerability has been resolved: posix-timers: Ensure timer ID search-loop limit is valid posix_timer_add() tries to allocate a posix timer ID by starting from the cached ID which was stored by the last successful allocation…

  • High 7.8

    soc: qcom: qmi_encdec: Restrict string length in decode

    In the Linux kernel, the following vulnerability has been resolved: soc: qcom: qmi_encdec: Restrict string length in decode The QMI TLV value for strings in a lot of qmi element info structures account for null terminated strings with MAX_LEN + 1. If a string…

  • Unscored —

    net/sched: fq_pie: avoid stalls in fq_pie_timer()

    In the Linux kernel, the following vulnerability has been resolved: net/sched: fq_pie: avoid stalls in fq_pie_timer() When setting a high number of flows (limit being 65536), fq_pie_timer() is currently using too much time as syzbot reported. Add logic to yie…

  • High 7.1

    arm64: csum: Fix OoB access in IP checksum code for negative lengths

    In the Linux kernel, the following vulnerability has been resolved: arm64: csum: Fix OoB access in IP checksum code for negative lengths Although commit c2c24edb1d9c ("arm64: csum: Fix pathological zero-length calls") added an early return for zero-length inp…

  • Unscored —

    clocksource/drivers/cadence-ttc: Fix memory leak in ttc_timer_probe

    In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/cadence-ttc: Fix memory leak in ttc_timer_probe Smatch reports: drivers/clocksource/timer-cadence-ttc.c:529 ttc_timer_probe() warn: 'timer_baseaddr' from of_iomap() not re…