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Package · Ubuntu

linux-kvm

12,406 known vulnerabilities.

12,260 results · Feed

  • Unscored —

    wifi: mac80211: sdata can be NULL during AMPDU start

    In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: sdata can be NULL during AMPDU start ieee80211_tx_ba_session_handle_start() may get NULL for sdata when a deauthentication is ongoing. Here a trace triggering the race with th…

  • High 7.8

    misc: fastrpc: Don't remove map on creater_process and device_release

    In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Don't remove map on creater_process and device_release Do not remove the map from the list on error path in fastrpc_init_create_process, instead call fastrpc_map_put, to avoid …

  • High 7.8

    misc: fastrpc: Fix use-after-free race condition for maps

    In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix use-after-free race condition for maps It is possible that in between calling fastrpc_map_get() until map->fl->lock is taken in fastrpc_free_map(), another thread can call …

  • High 8.8

    tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer

    In the Linux kernel, the following vulnerability has been resolved: tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer Driver's probe allocates memory for RX FIFO (port->rx_fifo) based on default RX FIFO depth, e.g. 16. Later during seria…

  • Unscored —

    tty: fix possible null-ptr-defer in spk_ttyio_release

    In the Linux kernel, the following vulnerability has been resolved: tty: fix possible null-ptr-defer in spk_ttyio_release Run the following tests on the qemu platform: syzkaller:~# modprobe speakup_audptr input: Speakup as /devices/virtual/input/input4 initia…

  • Unscored —

    USB: gadgetfs: Fix race between mounting and unmounting

    In the Linux kernel, the following vulnerability has been resolved: USB: gadgetfs: Fix race between mounting and unmounting The syzbot fuzzer and Gerald Lee have identified a use-after-free bug in the gadgetfs driver, involving processes concurrently mounting…

  • Unscored —

    dmaengine: idxd: Let probe fail when workqueue cannot be enabled

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Let probe fail when workqueue cannot be enabled The workqueue is enabled when the appropriate driver is loaded and disabled when the driver is removed. When the driver is rem…

  • High 7.8

    exec: Fix ToCToU between perm check and set-uid/gid usage

    In the Linux kernel, the following vulnerability has been resolved: exec: Fix ToCToU between perm check and set-uid/gid usage When opening a file for exec via do_filp_open(), permission checking is done against the file's metadata at that moment, and on succe…

  • High 7.8

    mlxsw: spectrum_acl_erp: Fix object nesting warning

    In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum_acl_erp: Fix object nesting warning ACLs in Spectrum-2 and newer ASICs can reside in the algorithmic TCAM (A-TCAM) or in the ordinary circuit TCAM (C-TCAM). The former can con…

  • Unscored —

    wifi: cfg80211: handle 2x996 RU allocation in cfg80211_calculate_bitrate_he()

    In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: handle 2x996 RU allocation in cfg80211_calculate_bitrate_he() Currently NL80211_RATE_INFO_HE_RU_ALLOC_2x996 is not handled in cfg80211_calculate_bitrate_he(), leading to below…

  • Unscored —

    PCI: endpoint: Clean up error handling in vpci_scan_bus()

    In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Clean up error handling in vpci_scan_bus() Smatch complains about inconsistent NULL checking in vpci_scan_bus(): drivers/pci/endpoint/functions/pci-epf-vntb.c:1024 vpci_scan_bu…

  • Unscored —

    vhost/vsock: always initialize seqpacket_allow

    In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: always initialize seqpacket_allow There are two issues around seqpacket_allow: 1. seqpacket_allow is not initialized when socket is created. Thus if features are never set, it wi…

  • High 7.5

    RDMA/hns: Fix soft lockup under heavy CEQE load

    In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix soft lockup under heavy CEQE load CEQEs are handled in interrupt handler currently. This may cause the CPU core staying in interrupt context too long and lead to soft lockup und…

  • Unscored —

    devres: Fix memory leakage caused by driver API devm_free_percpu()

    In the Linux kernel, the following vulnerability has been resolved: devres: Fix memory leakage caused by driver API devm_free_percpu() It will cause memory leakage when use driver API devm_free_percpu() to free memory allocated by devm_alloc_percpu(), fixed b…

  • Unscored —

    perf: Fix event leak upon exit

    In the Linux kernel, the following vulnerability has been resolved: perf: Fix event leak upon exit When a task is scheduled out, pending sigtrap deliveries are deferred to the target task upon resume to userspace via task_work. However failures while adding a…

  • Unscored —

    perf: Fix event leak upon exec and file release

    In the Linux kernel, the following vulnerability has been resolved: perf: Fix event leak upon exec and file release The perf pending task work is never waited upon the matching event release. In the case of a child event, released via free_event() directly, t…

  • Unscored —

    drm/nouveau: prime: fix refcount underflow

    In the Linux kernel, the following vulnerability has been resolved: drm/nouveau: prime: fix refcount underflow Calling nouveau_bo_ref() on a nouveau_bo without initializing it (and hence the backing ttm_bo) leads to a refcount underflow. Instead of calling no…

  • Unscored —

    net/mlx5: Always drain health in shutdown callback

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Always drain health in shutdown callback There is no point in recovery during device shutdown. if health work started need to wait for it to avoid races and NULL pointer access. Hen…

  • Unscored —

    drm/vmwgfx: Fix a deadlock in dma buf fence polling

    In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix a deadlock in dma buf fence polling Introduce a version of the fence ops that on release doesn't remove the fence from the pending list, and thus doesn't require a lock to fix…

  • Unscored —

    net: usb: qmi_wwan: fix memory leak for not ip packets

    In the Linux kernel, the following vulnerability has been resolved: net: usb: qmi_wwan: fix memory leak for not ip packets Free the unused skb when not ip packets arrive.

  • Unscored —

    remoteproc: imx_rproc: Skip over memory region when node value is NULL

    In the Linux kernel, the following vulnerability has been resolved: remoteproc: imx_rproc: Skip over memory region when node value is NULL In imx_rproc_addr_init() "nph = of_count_phandle_with_args()" just counts number of phandles. But phandles may be empty.…

  • High 7.8

    jfs: Fix array-index-out-of-bounds in diFree

    In the Linux kernel, the following vulnerability has been resolved: jfs: Fix array-index-out-of-bounds in diFree

  • High 7.8

    dma: fix call order in dmam_free_coherent

    In the Linux kernel, the following vulnerability has been resolved: dma: fix call order in dmam_free_coherent dmam_free_coherent() frees a DMA allocation, which makes the freed vaddr available for reuse, then calls devres_destroy() to remove and free the data…

  • Unscored —

    block: initialize integrity buffer to zero before writing it to media

    In the Linux kernel, the following vulnerability has been resolved: block: initialize integrity buffer to zero before writing it to media Metadata added by bio_integrity_prep is using plain kmalloc, which leads to random kernel memory being written media. For…

  • High 7.0

    cgroup/cpuset: Prevent UAF in proc_cpuset_show()

    In the Linux kernel, the following vulnerability has been resolved: cgroup/cpuset: Prevent UAF in proc_cpuset_show() An UAF can happen when /proc/cpuset is read as reported in [1]. This can be reproduced by the following methods: 1.add an mdelay(1000) before …

  • Unscored —

    soc: qcom: pdr: protect locator_addr with the main mutex

    In the Linux kernel, the following vulnerability has been resolved: soc: qcom: pdr: protect locator_addr with the main mutex If the service locator server is restarted fast enough, the PDR can rewrite locator_addr fields concurrently. Protect them by placing …

  • High 7.8

    lib: objagg: Fix general protection fault

    In the Linux kernel, the following vulnerability has been resolved: lib: objagg: Fix general protection fault The library supports aggregation of objects into other objects only if the parent object does not have a parent itself. That is, nesting is not suppo…

  • Unscored —

    wifi: rtw89: Fix array index mistake in rtw89_sta_info_get_iter()

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: Fix array index mistake in rtw89_sta_info_get_iter() In rtw89_sta_info_get_iter() 'status->he_gi' is compared to array size. But then 'rate->he_gi' is used as array index instead…

  • Unscored —

    wifi: virt_wifi: avoid reporting connection success with wrong SSID

    In the Linux kernel, the following vulnerability has been resolved: wifi: virt_wifi: avoid reporting connection success with wrong SSID When user issues a connection with a different SSID than the one virt_wifi has advertised, the __cfg80211_connect_result() …

  • Unscored —

    bna: adjust 'name' buf size of bna_tcb and bna_ccb structures

    In the Linux kernel, the following vulnerability has been resolved: bna: adjust 'name' buf size of bna_tcb and bna_ccb structures To have enough space to write all possible sprintf() args. Currently 'name' size is 16, but the first '%s' specifier may already …

  • Unscored —

    virtio_net: Fix napi_skb_cache_put warning

    In the Linux kernel, the following vulnerability has been resolved: virtio_net: Fix napi_skb_cache_put warning After the commit bdacf3e34945 ("net: Use nested-BH locking for napi_alloc_cache.") was merged, the following warning began to appear: WARNING: CPU: …

  • Unscored —

    xdp: fix invalid wait context of page_pool_destroy()

    In the Linux kernel, the following vulnerability has been resolved: xdp: fix invalid wait context of page_pool_destroy() If the driver uses a page pool, it creates a page pool with page_pool_create(). The reference count of page pool is 1 as default. A page p…

  • High 7.8

    s390/uv: Don't call folio_wait_writeback() without a folio reference

    In the Linux kernel, the following vulnerability has been resolved: s390/uv: Don't call folio_wait_writeback() without a folio reference folio_wait_writeback() requires that no spinlocks are held and that a folio reference is held, as documented. After we dro…

  • Unscored —

    media: mediatek: vcodec: Handle invalid decoder vsi

    In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Handle invalid decoder vsi Handle an invalid decoder vsi in vpu_dec_init to ensure the decoder vsi is valid for future use.

  • High 7.8

    leds: trigger: Unregister sysfs attributes before calling deactivate()

    In the Linux kernel, the following vulnerability has been resolved: leds: trigger: Unregister sysfs attributes before calling deactivate() Triggers which have trigger specific sysfs attributes typically store related data in trigger-data allocated by the acti…

  • Unscored —

    drm/qxl: Add check for drm_cvt_mode

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

  • Unscored —

    ext4: fix infinite loop when replaying fast_commit

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix infinite loop when replaying fast_commit When doing fast_commit replay an infinite loop may occur due to an uninitialized extent_status struct. ext4_ext_determine_insert_hole() does…

  • Unscored —

    PCI: endpoint: pci-epf-test: Make use of cached 'epc_features' in pci_epf_test_core_init()

    In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: pci-epf-test: Make use of cached 'epc_features' in pci_epf_test_core_init() Instead of getting the epc_features from pci_epc_get_features() API, use the cached pci_epf_test::ep…

  • Unscored —

    PCI: keystone: Fix NULL pointer dereference in case of DT error in ks_pcie_setup_rc_app_regs()

    In the Linux kernel, the following vulnerability has been resolved: PCI: keystone: Fix NULL pointer dereference in case of DT error in ks_pcie_setup_rc_app_regs() If IORESOURCE_MEM is not provided in Device Tree due to any error, resource_list_first_type() wi…

  • Unscored —

    net: missing check virtio

    In the Linux kernel, the following vulnerability has been resolved: net: missing check virtio Two missing check in virtio_net_hdr_to_skb() allowed syzbot to crash kernels again 1. After the skb_segment function the buffer may become non-linear (nr_frags != 0)…