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Package · Ubuntu

linux-kvm

12,405 known vulnerabilities.

12,259 results · Feed

  • High 8.1

    ipv6: use RCU in ip6_xmit()

    In the Linux kernel, the following vulnerability has been resolved: ipv6: use RCU in ip6_xmit() Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent possible UAF.

  • Unscored —

    f2fs: fix to truncate first page in error path of f2fs_truncate()

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to truncate first page in error path of f2fs_truncate() syzbot reports a bug as below: loop0: detected capacity change from 0 to 40427 F2FS-fs (loop0): Wrong SSA boundary, start(358…

  • Unscored —

    dm: fix NULL pointer dereference in __dm_suspend()

    In the Linux kernel, the following vulnerability has been resolved: dm: fix NULL pointer dereference in __dm_suspend() There is a race condition between dm device suspend and table load that can lead to null pointer dereference. The issue occurs when suspend …

  • Unscored —

    hwrng: ks-sa - fix division by zero in ks_sa_rng_init

    In the Linux kernel, the following vulnerability has been resolved: hwrng: ks-sa - fix division by zero in ks_sa_rng_init Fix division by zero in ks_sa_rng_init caused by missing clock pointer initialization. The clk_get_rate() call is performed on an uniniti…

  • Unscored —

    blk-mq: check kobject state_in_sysfs before deleting in blk_mq_unregister_hctx

    In the Linux kernel, the following vulnerability has been resolved: blk-mq: check kobject state_in_sysfs before deleting in blk_mq_unregister_hctx In __blk_mq_update_nr_hw_queues() the return value of blk_mq_sysfs_register_hctxs() is not checked. If sysfs cre…

  • Unscored —

    sparc: fix accurate exception reporting in copy_{from_to}_user for UltraSPARC

    In the Linux kernel, the following vulnerability has been resolved: sparc: fix accurate exception reporting in copy_{from_to}_user for UltraSPARC The referenced commit introduced exception handlers on user-space memory references in copy_from_user and copy_to…

  • High 7.8
    CVE-2025-40123 Public exploit

    bpf: Enforce expected_attach_type for tailcall compatibility

    In the Linux kernel, the following vulnerability has been resolved: bpf: Enforce expected_attach_type for tailcall compatibility Yinhao et al. recently reported: Our fuzzer tool discovered an uninitialized pointer issue in the bpf_prog_test_run_xdp() function…

  • Unscored —

    ASoC: Intel: bytcr_rt5651: Fix invalid quirk input mapping

    In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: bytcr_rt5651: Fix invalid quirk input mapping When an invalid value is passed via quirk option, currently bytcr_rt5640 driver just ignores and leaves as is, which may lead to une…

  • High 7.8

    sparc: fix accurate exception reporting in copy_{from_to}_user for UltraSPARC III

    In the Linux kernel, the following vulnerability has been resolved: sparc: fix accurate exception reporting in copy_{from_to}_user for UltraSPARC III Anthony Yznaga tracked down that a BUG_ON in ext4 code with large folios enabled resulted from copy_from_user…

  • High 7.8

    scsi: pm80xx: Fix array-index-out-of-of-bounds on rmmod

    In the Linux kernel, the following vulnerability has been resolved: scsi: pm80xx: Fix array-index-out-of-of-bounds on rmmod Since commit f7b705c238d1 ("scsi: pm80xx: Set phy_attached to zero when device is gone") UBSAN reports: UBSAN: array-index-out-of-bound…

  • Unscored —

    net: usb: asix: hold PM usage ref to avoid PM/MDIO + RTNL deadlock

    In the Linux kernel, the following vulnerability has been resolved: net: usb: asix: hold PM usage ref to avoid PM/MDIO + RTNL deadlock Prevent USB runtime PM (autosuspend) for AX88772* in bind. usbnet enables runtime PM (autosuspend) by default, so disabling …

  • Unscored —

    usb: host: max3421-hcd: Fix error pointer dereference in probe cleanup

    In the Linux kernel, the following vulnerability has been resolved: usb: host: max3421-hcd: Fix error pointer dereference in probe cleanup The kthread_run() function returns error pointers so the max3421_hcd->spi_thread pointer can be either error pointers or…

  • Unscored —

    scsi: mpt3sas: Fix crash in transport port remove by using ioc_info()

    In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix crash in transport port remove by using ioc_info() During mpt3sas_transport_port_remove(), messages were logged with dev_printk() against &mpt3sas_port->port->dev. At this …

  • High 7.8

    sparc: fix accurate exception reporting in copy_{from_to}_user for Niagara

    In the Linux kernel, the following vulnerability has been resolved: sparc: fix accurate exception reporting in copy_{from_to}_user for Niagara The referenced commit introduced exception handlers on user-space memory references in copy_from_user and copy_to_us…

  • High 7.8

    drm/vmwgfx: Fix Use-after-free in validation

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix Use-after-free in validation Nodes stored in the validation duplicates hashtable come from an arena allocator that is cleared at the end of vmw_execbuf_process. All nodes are …

  • Unscored —

    drm/vmwgfx: Fix a null-ptr access in the cursor snooper

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix a null-ptr access in the cursor snooper Check that the resource which is converted to a surface exists before trying to use the cursor snooper on it. vmw_cmd_res_check allows …

  • Unscored —

    crypto: rng - Ensure set_ent is always present

    In the Linux kernel, the following vulnerability has been resolved: crypto: rng - Ensure set_ent is always present Ensure that set_ent is always set since only drbg provides it.

  • Unscored —

    can: hi311x: fix null pointer dereference when resuming from sleep before interface was enabled

    In the Linux kernel, the following vulnerability has been resolved: can: hi311x: fix null pointer dereference when resuming from sleep before interface was enabled This issue is similar to the vulnerability in the `mcp251x` driver, which was fixed in commit 0…

  • Unscored —

    comedi: fix divide-by-zero in comedi_buf_munge()

    In the Linux kernel, the following vulnerability has been resolved: comedi: fix divide-by-zero in comedi_buf_munge() The comedi_buf_munge() function performs a modulo operation `async->munge_chan %= async->cmd.chanlist_len` without first checking if chanlist_…

  • High 7.8

    vfs: Don't leak disconnected dentries on umount

    In the Linux kernel, the following vulnerability has been resolved: vfs: Don't leak disconnected dentries on umount When user calls open_by_handle_at() on some inode that is not cached, we will create disconnected dentry for it. If such dentry is a directory,…

  • High 7.8

    ixgbevf: fix mailbox API compatibility by negotiating supported features

    In the Linux kernel, the following vulnerability has been resolved: ixgbevf: fix mailbox API compatibility by negotiating supported features There was backward compatibility in the terms of mailbox API. Various drivers from various OSes supporting 10G adapter…

  • Unscored —

    smb: client: Fix refcount leak for cifs_sb_tlink

    In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix refcount leak for cifs_sb_tlink Fix three refcount inconsistency issues related to `cifs_sb_tlink`. Comments for `cifs_sb_tlink` state that `cifs_put_tlink()` needs to be cal…

  • Unscored —

    KVM: arm64: Prevent access to vCPU events before init

    In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Prevent access to vCPU events before init Another day, another syzkaller bug. KVM erroneously allows userspace to pend vCPU events for a vCPU that hasn't been initialized yet, lea…

  • Unscored —

    btrfs: do not assert we found block group item when creating free space tree

    In the Linux kernel, the following vulnerability has been resolved: btrfs: do not assert we found block group item when creating free space tree Currently, when building a free space tree at populate_free_space_tree(), if we are not using the block group tree…

  • Critical 9.4

    cifs: parse_dfs_referrals: prevent oob on malformed input

    In the Linux kernel, the following vulnerability has been resolved: cifs: parse_dfs_referrals: prevent oob on malformed input Malicious SMB server can send invalid reply to FSCTL_DFS_GET_REFERRALS - reply smaller than sizeof(struct get_dfs_referral_rsp) - rep…

  • Unscored —

    ALSA: hda: Fix missing pointer check in hda_component_manager_init function

    In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix missing pointer check in hda_component_manager_init function The __component_match_add function may assign the 'matchptr' pointer the value ERR_PTR(-ENOMEM), which will subsequ…

  • High 7.8

    usb: gadget: f_rndis: Refactor bind path to use __free()

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_rndis: Refactor bind path to use __free() After an bind/unbind cycle, the rndis->notify_req is left stale. If a subsequent bind fails, the unified error label attempts to free …

  • High 7.8

    usb: gadget: f_acm: Refactor bind path to use __free()

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_acm: Refactor bind path to use __free() After an bind/unbind cycle, the acm->notify_req is left stale. If a subsequent bind fails, the unified error label attempts to free this…

  • High 7.8

    usb: gadget: f_ecm: Refactor bind path to use __free()

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_ecm: Refactor bind path to use __free() After an bind/unbind cycle, the ecm->notify_req is left stale. If a subsequent bind fails, the unified error label attempts to free this…

  • High 7.8

    usb: gadget: f_ncm: Refactor bind path to use __free()

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: f_ncm: Refactor bind path to use __free() After an bind/unbind cycle, the ncm->notify_req is left stale. If a subsequent bind fails, the unified error label attempts to free this…

  • High 7.1

    hfsplus: fix slab-out-of-bounds read in hfsplus_strcasecmp()

    In the Linux kernel, the following vulnerability has been resolved: hfsplus: fix slab-out-of-bounds read in hfsplus_strcasecmp() The hfsplus_strcasecmp() logic can trigger the issue: [ 117.317703][ T9855] ======================================================…

  • High 7.5

    NFSD: Define a proc_layoutcommit for the FlexFiles layout type

    In the Linux kernel, the following vulnerability has been resolved: NFSD: Define a proc_layoutcommit for the FlexFiles layout type Avoid a crash if a pNFS client should happen to send a LAYOUTCOMMIT operation on a FlexFiles layout.

  • High 8.1

    scsi: ses: Fix possible addl_desc_ptr out-of-bounds accesses

    In the Linux kernel, the following vulnerability has been resolved: scsi: ses: Fix possible addl_desc_ptr out-of-bounds accesses Sanitize possible addl_desc_ptr out-of-bounds accesses in ses_enclosure_data_process().

  • Unscored —

    ALSA: usb-audio: Fix NULL pointer deference in try_to_register_card

    In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix NULL pointer deference in try_to_register_card In try_to_register_card(), the return value of usb_ifnum_to_if() is passed directly to usb_interface_claimed() without a NU…

  • High 7.1

    ksmbd: transport_ipc: validate payload size before reading handle

    In the Linux kernel, the following vulnerability has been resolved: ksmbd: transport_ipc: validate payload size before reading handle handle_response() dereferences the payload as a 4-byte handle without verifying that the declared payload size is at least 4 …

  • Unscored —

    net/sched: sch_qfq: Fix null-deref in agg_dequeue

    In the Linux kernel, the following vulnerability has been resolved: net/sched: sch_qfq: Fix null-deref in agg_dequeue To prevent a potential crash in agg_dequeue (net/sched/sch_qfq.c) when cl->qdisc->ops->peek(cl->qdisc) returns NULL, we check the return valu…

  • High 7.8

    perf: arm_spe: Prevent overflow in PERF_IDX2OFF()

    In the Linux kernel, the following vulnerability has been resolved: perf: arm_spe: Prevent overflow in PERF_IDX2OFF() Cast nr_pages to unsigned long to avoid overflow when handling large AUX buffer sizes (>= 2 GiB).

  • High 7.1

    hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc()

    In the Linux kernel, the following vulnerability has been resolved: hfsplus: fix slab-out-of-bounds read in hfsplus_uni2asc() BUG: KASAN: slab-out-of-bounds in hfsplus_uni2asc+0xa71/0xb90 fs/hfsplus/unicode.c:186 Read of size 2 at addr ffff8880289ef218 by tas…

  • Unscored —

    nbd: restrict sockets to TCP and UDP

    In the Linux kernel, the following vulnerability has been resolved: nbd: restrict sockets to TCP and UDP Recently, syzbot started to abuse NBD with all kinds of sockets. Commit cf1b2326b734 ("nbd: verify socket is supported during setup") made sure the socket…

  • Unscored —

    bpf: Explicitly check accesses to bpf_sock_addr

    In the Linux kernel, the following vulnerability has been resolved: bpf: Explicitly check accesses to bpf_sock_addr Syzkaller found a kernel warning on the following sock_addr program: 0: r0 = 0 1: r2 = *(u32 *)(r1 +60) 2: exit which triggers: verifier bug: e…