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Package · Ubuntu

linux-kvm

12,406 known vulnerabilities.

12,260 results · Feed

  • High 7.8

    SUNRPC: lock against ->sock changing during sysfs read

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: lock against ->sock changing during sysfs read ->sock can be set to NULL asynchronously unless ->recv_mutex is held. So it is important to hold that mutex. Otherwise a sysfs read can …

  • Unscored —

    ibmvnic: don't release napi in __ibmvnic_open()

    In the Linux kernel, the following vulnerability has been resolved: ibmvnic: don't release napi in __ibmvnic_open() If __ibmvnic_open() encounters an error such as when setting link state, it calls release_resources() which frees the napi structures needlessl…

  • Unscored —

    ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path

    In the Linux kernel, the following vulnerability has been resolved: ipmr,ip6mr: acquire RTNL before calling ip[6]mr_free_table() on failure path ip[6]mr_free_table() can only be called under RTNL lock. RTNL: assertion failed at net/core/dev.c (10367) WARNING:…

  • Unscored —

    net: fix a memleak when uncloning an skb dst and its metadata

    In the Linux kernel, the following vulnerability has been resolved: net: fix a memleak when uncloning an skb dst and its metadata When uncloning an skb dst and its associated metadata, a new dst+metadata is allocated and later replaces the old one in the skb.…

  • Unscored —

    net: dsa: fix panic when DSA master device unbinds on shutdown

    In the Linux kernel, the following vulnerability has been resolved: net: dsa: fix panic when DSA master device unbinds on shutdown Rafael reports that on a system with LX2160A and Marvell DSA switches, if a reboot occurs while the DSA master (dpaa2-eth) is up…

  • Unscored —

    eeprom: ee1004: limit i2c reads to I2C_SMBUS_BLOCK_MAX

    In the Linux kernel, the following vulnerability has been resolved: eeprom: ee1004: limit i2c reads to I2C_SMBUS_BLOCK_MAX Commit effa453168a7 ("i2c: i801: Don't silently correct invalid transfer size") revealed that ee1004_eeprom_read() did not properly limi…

  • Unscored —

    vt_ioctl: fix array_index_nospec in vt_setactivate

    In the Linux kernel, the following vulnerability has been resolved: vt_ioctl: fix array_index_nospec in vt_setactivate array_index_nospec ensures that an out-of-bounds value is set to zero on the transient path. Decreasing the value by one afterwards causes a…

  • Unscored —

    net: usb: ax88179_178a: Fix out-of-bounds accesses in RX fixup

    In the Linux kernel, the following vulnerability has been resolved: net: usb: ax88179_178a: Fix out-of-bounds accesses in RX fixup ax88179_rx_fixup() contains several out-of-bounds accesses that can be triggered by a malicious (or defective) USB device, in pa…

  • Unscored —

    fs/proc: task_mmu.c: don't read mapcount for migration entry

    In the Linux kernel, the following vulnerability has been resolved: fs/proc: task_mmu.c: don't read mapcount for migration entry The syzbot reported the below BUG: kernel BUG at include/linux/page-flags.h:785! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: …

  • Unscored —

    perf: Fix list corruption in perf_cgroup_switch()

    In the Linux kernel, the following vulnerability has been resolved: perf: Fix list corruption in perf_cgroup_switch() There's list corruption on cgrp_cpuctx_list. This happens on the following path: perf_cgroup_switch: list_for_each_entry(cgrp_cpuctx_list) cp…

  • Unscored —

    parisc: Fix data TLB miss in sba_unmap_sg

    In the Linux kernel, the following vulnerability has been resolved: parisc: Fix data TLB miss in sba_unmap_sg Rolf Eike Beer reported the following bug: [1274934.746891] Bad Address (null pointer deref?): Code=15 (Data TLB miss fault) at addr 0000004140000018…

  • Unscored —

    net: ieee802154: at86rf230: Stop leaking skb's

    In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: at86rf230: Stop leaking skb's Upon error the ieee802154_xmit_complete() helper is not called. Only ieee802154_wake_queue() is called manually. In the Tx case we then leak the…

  • High 7.8

    scsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task

    In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix use-after-free for aborted SSP/STP sas_task Currently a use-after-free may occur if a sas_task is aborted by the upper layer before we handle the I/O completion in mpi_ssp_c…

  • High 7.8

    scsi: pm8001: Fix use-after-free for aborted TMF sas_task

    In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix use-after-free for aborted TMF sas_task Currently a use-after-free may occur if a TMF sas_task is aborted before we handle the IO completion in mpi_ssp_completion(). The abo…

  • Critical 9.8

    nvme: fix a possible use-after-free in controller reset during load

    In the Linux kernel, the following vulnerability has been resolved: nvme: fix a possible use-after-free in controller reset during load Unlike .queue_rq, in .submit_async_event drivers may not check the ctrl readiness for AER submission. This may lead to a us…

  • Critical 9.8

    nvme-rdma: fix possible use-after-free in transport error_recovery work

    In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: fix possible use-after-free in transport error_recovery work While nvme_rdma_submit_async_event_work is checking the ctrl and queue state before preparing the AER command and sched…

  • Critical 9.8

    nvme-tcp: fix possible use-after-free in transport error_recovery work

    In the Linux kernel, the following vulnerability has been resolved: nvme-tcp: fix possible use-after-free in transport error_recovery work While nvme_tcp_submit_async_event_work is checking the ctrl and queue state before preparing the AER command and schedul…

  • High 7.8

    iwlwifi: fix use-after-free

    In the Linux kernel, the following vulnerability has been resolved: iwlwifi: fix use-after-free If no firmware was present at all (or, presumably, all of the firmware files failed to parse), we end up unbinding by calling device_release_driver(), which calls …

  • High 7.8

    vsock: remove vsock from connected table when connect is interrupted by a signal

    In the Linux kernel, the following vulnerability has been resolved: vsock: remove vsock from connected table when connect is interrupted by a signal vsock_connect() expects that the socket could already be in the TCP_ESTABLISHED state when the connecting task…

  • Unscored —

    scsi: ufs: Fix a deadlock in the error handler

    In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: Fix a deadlock in the error handler The following deadlock has been observed on a test setup: - All tags allocated - The SCSI error handler calls ufshcd_eh_host_reset_handler() - u…

  • Unscored —

    mtd: rawnand: gpmi: don't leak PM reference in error path

    In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: gpmi: don't leak PM reference in error path If gpmi_nfc_apply_timings() fails, the PM runtime usage counter must be dropped.

  • Unscored —

    Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj

    In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Fix memory leak in vmbus_add_channel_kobj kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add(): If this function retur…

  • Unscored —

    USB: core: Fix race by not overwriting udev->descriptor in hub_port_init()

    In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix race by not overwriting udev->descriptor in hub_port_init() Syzbot reported an out-of-bounds read in sysfs.c:read_descriptors(): BUG: KASAN: slab-out-of-bounds in read_descript…

  • High 7.8

    drm/amdgpu: change vm->task_info handling

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: change vm->task_info handling This patch changes the handling and lifecycle of vm->task_info object. The major changes are: - vm->task_info is a dynamically allocated ptr now, and…

  • High 7.5

    tcp: avoid too many retransmit packets

    In the Linux kernel, the following vulnerability has been resolved: tcp: avoid too many retransmit packets If a TCP socket is using TCP_USER_TIMEOUT, and the other peer retracted its window to zero, tcp_retransmit_timer() can retransmit a packet every two jif…

  • High 8.1

    SUNRPC: Fix UAF in svc_tcp_listen_data_ready()

    In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix UAF in svc_tcp_listen_data_ready() After the listener svc_sock is freed, and before invoking svc_tcp_accept() for the established child sock, there is a window that the newsock re…

  • Unscored —

    netrom: Fix a memory leak in nr_heartbeat_expiry()

    In the Linux kernel, the following vulnerability has been resolved: netrom: Fix a memory leak in nr_heartbeat_expiry() syzbot reported a memory leak in nr_create() [0]. Commit 409db27e3a2e ("netrom: Fix use-after-free of a listening socket.") added sock_hold(…

  • Unscored —

    netpoll: Fix race condition in netpoll_owner_active

    In the Linux kernel, the following vulnerability has been resolved: netpoll: Fix race condition in netpoll_owner_active KCSAN detected a race condition in netpoll: BUG: KCSAN: data-race in net_rx_action / netpoll_send_skb write (marked) to 0xffff8881164168b0 …

  • Unscored —

    tracing: Build event generation tests only as modules

    In the Linux kernel, the following vulnerability has been resolved: tracing: Build event generation tests only as modules The kprobes and synth event generation test modules add events and lock (get a reference) those event file reference in module init funct…

  • Unscored —

    crypto: hisilicon/sec - Fix memory leak for sec resource release

    In the Linux kernel, the following vulnerability has been resolved: crypto: hisilicon/sec - Fix memory leak for sec resource release The AIV is one of the SEC resources. When releasing resources, it need to release the AIV resources at the same time. Otherwis…

  • Unscored —

    io_uring/sqpoll: work around a potential audit memory leak

    In the Linux kernel, the following vulnerability has been resolved: io_uring/sqpoll: work around a potential audit memory leak kmemleak complains that there's a memory leak related to connect handling: unreferenced object 0xffff0001093bdf00 (size 128): comm "…

  • Unscored —

    block/ioctl: prefer different overflow check

    In the Linux kernel, the following vulnerability has been resolved: block/ioctl: prefer different overflow check Running syzkaller with the newly reintroduced signed integer overflow sanitizer shows this report: [ 62.982337] ------------[ cut here ]----------…

  • Critical 9.8

    net: ena: Add validation for completion descriptors consistency

    In the Linux kernel, the following vulnerability has been resolved: net: ena: Add validation for completion descriptors consistency Validate that `first` flag is set only for the first descriptor in multi-buffer packets. In case of an invalid descriptor, a re…

  • Unscored —

    ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super()

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix uninitialized ratelimit_state->lock access in __ext4_fill_super() In the following concurrency we will access the uninitialized rs->lock: ext4_fill_super ext4_register_sysfs // sysf…

  • Unscored —

    ptp: fix integer overflow in max_vclocks_store

    In the Linux kernel, the following vulnerability has been resolved: ptp: fix integer overflow in max_vclocks_store On 32bit systems, the "4 * max" multiply can overflow. Use kcalloc() to do the allocation to prevent this.

  • Unscored —

    net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc()

    In the Linux kernel, the following vulnerability has been resolved: net/sched: act_api: fix possible infinite loop in tcf_idr_check_alloc() syzbot found hanging tasks waiting on rtnl_lock [1] A reproducer is available in the syzbot bug. When a request to add …

  • High 7.8

    RDMA/mlx5: Add check for srq max_sge attribute

    In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Add check for srq max_sge attribute max_sge attribute is passed by the user, and is inserted and used unchecked, so verify that the value doesn't exceed maximum allowed value befor…

  • Unscored —

    drm/radeon: fix UBSAN warning in kv_dpm.c

    In the Linux kernel, the following vulnerability has been resolved: drm/radeon: fix UBSAN warning in kv_dpm.c Adds bounds check for sumo_vid_mapping_entry.

  • High 7.8

    KVM: arm64: Disassociate vcpus from redistributor region on teardown

    In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Disassociate vcpus from redistributor region on teardown When tearing down a redistributor region, make sure we don't have any dangling pointer to that region stored in a vcpu.

  • Unscored —

    drm/amdgpu: fix UBSAN warning in kv_dpm.c

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: fix UBSAN warning in kv_dpm.c Adds bounds check for sumo_vid_mapping_entry.