Skip to content
OpenAdvisories

Platform

Linux

20,714 known vulnerabilities.

6,748 results · Clear filters · Feed

  • High 7.8

    mm: vmalloc: ensure vmap_block is initialised before adding to queue

    In the Linux kernel, the following vulnerability has been resolved: mm: vmalloc: ensure vmap_block is initialised before adding to queue Commit 8c61291fd850 ("mm: fix incorrect vbq reference in purge_fragmented_block") extended the 'vmap_block' structure to c…

  • High 7.8

    tracing/timerlat: Only clear timer if a kthread exists

    In the Linux kernel, the following vulnerability has been resolved: tracing/timerlat: Only clear timer if a kthread exists The timerlat tracer can use user space threads to check for osnoise and timer latency. If the program using this is killed via a SIGTERM…

  • High 7.1

    um: line: always fill *error_out in setup_one_line()

    In the Linux kernel, the following vulnerability has been resolved: um: line: always fill *error_out in setup_one_line() The pointer isn't initialized by callers, but I have encountered cases where it's still printed; initialize it in all possible cases in se…

  • High 7.8

    scsi: lpfc: Handle mailbox timeouts in lpfc_get_sfp_info

    In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Handle mailbox timeouts in lpfc_get_sfp_info The MBX_TIMEOUT return code is not handled in lpfc_get_sfp_info and the routine unconditionally frees submitted mailbox commands regar…

  • High 7.8

    ethtool: fail closed if we can't get max channel used in indirection tables

    In the Linux kernel, the following vulnerability has been resolved: ethtool: fail closed if we can't get max channel used in indirection tables Commit 0d1b7d6c9274 ("bnxt: fix crashes when reducing ring count with active RSS contexts") proves that allowing in…

  • High 8.4

    net: microchip: vcap: Fix use-after-free error in kunit test

    In the Linux kernel, the following vulnerability has been resolved: net: microchip: vcap: Fix use-after-free error in kunit test This is a clear use-after-free error. We remove it, and rely on checking the return code of vcap_del_rule.

  • High 7.8

    KVM: x86: Acquire kvm->srcu when handling KVM_SET_VCPU_EVENTS

    In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Acquire kvm->srcu when handling KVM_SET_VCPU_EVENTS Grab kvm->srcu when processing KVM_SET_VCPU_EVENTS, as KVM will forcibly leave nested VMX/SVM if SMM mode is being toggled, and l…

  • High 7.1

    sched: sch_cake: fix bulk flow accounting logic for host fairness

    In the Linux kernel, the following vulnerability has been resolved: sched: sch_cake: fix bulk flow accounting logic for host fairness In sch_cake, we keep track of the count of active bulk flows per host, when running in dst/src host fairness mode, which is u…

  • High 8.4

    kunit/overflow: Fix UB in overflow_allocation_test

    In the Linux kernel, the following vulnerability has been resolved: kunit/overflow: Fix UB in overflow_allocation_test The 'device_name' array doesn't exist out of the 'overflow_allocation_test' function scope. However, it is being used as a driver name when …

  • High 7.8

    drm/amd/display: Check gpio_id before used as array index

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check gpio_id before used as array index [WHY & HOW] GPIO_ID_UNKNOWN (-1) is not a valid value for array index and therefore should be checked in advance. This fixes 5 OVERRU…

  • High 7.4

    drm/amd/display: Stop amdgpu_dm initialize when stream nums greater than 6

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Stop amdgpu_dm initialize when stream nums greater than 6 [Why] Coverity reports OVERRUN warning. Should abort amdgpu_dm initialize. [How] Return failure to amdgpu_dm_init.

  • High 7.8

    drm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Stop amdgpu_dm initialize when link nums greater than max_links [Why] Coverity report OVERRUN warning. There are only max_links elements within dc->links. link count could up…

  • High 7.1

    drm/amd/display: Check num_valid_sets before accessing reader_wm_sets[]

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check num_valid_sets before accessing reader_wm_sets[] [WHY & HOW] num_valid_sets needs to be checked to avoid a negative index when accessing reader_wm_sets[num_valid_sets -…

  • High 7.8

    drm/amd/display: Skip inactive planes within ModeSupportAndSystemConfiguration

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Skip inactive planes within ModeSupportAndSystemConfiguration [Why] Coverity reports Memory - illegal accesses. [How] Skip inactive planes.

  • High 7.8

    drm/amd/display: Check link_index before accessing dc->links[]

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check link_index before accessing dc->links[] [WHY & HOW] dc->links[] has max size of MAX_LINKS and NULL is return when trying to access with out-of-bound index. This fixes 3…

  • High 7.3

    drm/amd/display: Fix index may exceed array range within fpu_update_bw_bounding_box

    In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix index may exceed array range within fpu_update_bw_bounding_box [Why] Coverity reports OVERRUN warning. soc.num_states could be 40. But array range of bw_params->clk_table…

  • High 7.8

    drm/amdkfd: Check debug trap enable before write dbg_ev_file

    In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check debug trap enable before write dbg_ev_file In interrupt context, write dbg_ev_file will be run by work queue. It will cause write dbg_ev_file execution after debug_trap_disa…

  • High 7.5

    CODESYS: web server vulnerable to DoS

    An unauthenticated remote attacker can causes the CODESYS web server to access invalid memory which results in a DoS.

  • High 7.8

    media: vivid: fix compose size exceed boundary

    In the Linux kernel, the following vulnerability has been resolved: media: vivid: fix compose size exceed boundary syzkaller found a bug: BUG: unable to handle page fault for address: ffffc9000a3b1000 #PF: supervisor write access in kernel mode #PF: error_cod…

  • High 7.8

    libfs: fix get_stashed_dentry()

    In the Linux kernel, the following vulnerability has been resolved: libfs: fix get_stashed_dentry() get_stashed_dentry() tries to optimistically retrieve a stashed dentry from a provided location. It needs to ensure to hold rcu lock before it dereference the …

  • High 7.8

    sch/netem: fix use after free in netem_dequeue

    In the Linux kernel, the following vulnerability has been resolved: sch/netem: fix use after free in netem_dequeue If netem_dequeue() enqueues packet to inner qdisc and that qdisc returns __NET_XMIT_STOLEN. The packet is dropped but qdisc_tree_reduce_backlog(…

  • High 7.5

    net: ethernet: ti: am65-cpsw: Fix NULL dereference on XDP_TX

    In the Linux kernel, the following vulnerability has been resolved: net: ethernet: ti: am65-cpsw: Fix NULL dereference on XDP_TX If number of TX queues are set to 1 we get a NULL pointer dereference during XDP_TX. ~# ethtool -L eth0 tx 1 ~# ./xdp-trafficgen u…

  • High 7.8

    ASoC: dapm: Fix UAF for snd_soc_pcm_runtime object

    In the Linux kernel, the following vulnerability has been resolved: ASoC: dapm: Fix UAF for snd_soc_pcm_runtime object When using kernel with the following extra config, - CONFIG_KASAN=y - CONFIG_KASAN_GENERIC=y - CONFIG_KASAN_INLINE=y - CONFIG_KASAN_VMALLOC=…

  • High 7.8

    riscv: misaligned: Restrict user access to kernel memory

    In the Linux kernel, the following vulnerability has been resolved: riscv: misaligned: Restrict user access to kernel memory raw_copy_{to,from}_user() do not call access_ok(), so this code allowed userspace to access any virtual memory address.

  • High 7.8

    tracing/osnoise: Use a cpumask to know what threads are kthreads

    In the Linux kernel, the following vulnerability has been resolved: tracing/osnoise: Use a cpumask to know what threads are kthreads The start_kthread() and stop_thread() code was not always called with the interface_lock held. This means that the kthread var…

  • High 7.8

    userfaultfd: fix checks for huge PMDs

    In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix checks for huge PMDs Patch series "userfaultfd: fix races around pmd_trans_huge() check", v2. The pmd_trans_huge() code in mfill_atomic() is wrong in three different ways dep…

  • High 7.8

    nilfs2: fix missing cleanup on rollforward recovery error

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix missing cleanup on rollforward recovery error In an error injection test of a routine for mount-time recovery, KASAN found a use-after-free bug. It turned out that if data recover…

  • High 7.8

    nilfs2: protect references to superblock parameters exposed in sysfs

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: protect references to superblock parameters exposed in sysfs The superblock buffers of nilfs2 can not only be overwritten at runtime for modifications/repairs, but they are also regul…

  • High 7.8

    udf: Avoid excessive partition lengths

    In the Linux kernel, the following vulnerability has been resolved: udf: Avoid excessive partition lengths Avoid mounting filesystems where the partition would overflow the 32-bits used for block number. Also refuse to mount filesystems where the partition le…

  • High 7.8

    can: bcm: Remove proc entry when dev is unregistered.

    In the Linux kernel, the following vulnerability has been resolved: can: bcm: Remove proc entry when dev is unregistered. syzkaller reported a warning in bcm_connect() below. [0] The repro calls connect() to vxcan1, removes vxcan1, and calls connect() with if…

  • High 7.8

    ice: protect XDP configuration with a mutex

    In the Linux kernel, the following vulnerability has been resolved: ice: protect XDP configuration with a mutex The main threat to data consistency in ice_xdp() is a possible asynchronous PF reset. It can be triggered by a user or by TX timeout handler. XDP s…

  • High 7.3

    bpf: add check for invalid name in btf_name_valid_section()

    In the Linux kernel, the following vulnerability has been resolved: bpf: add check for invalid name in btf_name_valid_section() If the length of the name string is 1 and the value of name[0] is NULL byte, an OOB vulnerability occurs in btf_name_valid_section(…

  • High 7.5

    fou: Fix null-ptr-deref in GRO.

    In the Linux kernel, the following vulnerability has been resolved: fou: Fix null-ptr-deref in GRO. We observed a null-ptr-deref in fou_gro_receive() while shutting down a host. [0] The NULL pointer is sk->sk_user_data, and the offset 8 is of protocol in stru…

  • High 7.8

    xen: privcmd: Fix possible access to a freed kirqfd instance

    In the Linux kernel, the following vulnerability has been resolved: xen: privcmd: Fix possible access to a freed kirqfd instance Nothing prevents simultaneous ioctl calls to privcmd_irqfd_assign() and privcmd_irqfd_deassign(). If that happens, it is possible …

  • High 8.8

    wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id()

    In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Do not return unused priv in mwifiex_get_priv_by_id() mwifiex_get_priv_by_id() returns the priv pointer corresponding to the bss_num and bss_type, but without checking if the p…

  • High 7.8

    bpf: Remove tst_run from lwt_seg6local_prog_ops.

    In the Linux kernel, the following vulnerability has been resolved: bpf: Remove tst_run from lwt_seg6local_prog_ops. The syzbot reported that the lwt_seg6 related BPF ops can be invoked via bpf_test_run() without without entering input_action_end_bpf() first.…

  • High 7.8

    btrfs: don't BUG_ON() when 0 reference count at btrfs_lookup_extent_info()

    In the Linux kernel, the following vulnerability has been resolved: btrfs: don't BUG_ON() when 0 reference count at btrfs_lookup_extent_info() Instead of doing a BUG_ON() handle the error by returning -EUCLEAN, aborting the transaction and logging an error me…

  • High 7.8

    PCI: Add missing bridge lock to pci_bus_lock()

    In the Linux kernel, the following vulnerability has been resolved: PCI: Add missing bridge lock to pci_bus_lock() One of the true positives that the cfg_access_lock lockdep effort identified is this sequence: WARNING: CPU: 14 PID: 1 at drivers/pci/pci.c:4886…

  • High 7.8

    HID: amd_sfh: free driver_data after destroying hid device

    In the Linux kernel, the following vulnerability has been resolved: HID: amd_sfh: free driver_data after destroying hid device HID driver callbacks aren't called anymore once hid_destroy_device() has been called. Hence, hid driver_data should be freed only af…

  • High 7.3

    of/irq: Prevent device address out-of-bounds read in interrupt map walk

    In the Linux kernel, the following vulnerability has been resolved: of/irq: Prevent device address out-of-bounds read in interrupt map walk When of_irq_parse_raw() is invoked with a device address smaller than the interrupt parent node (from #address-cells pr…