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Linux

20,703 known vulnerabilities.

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  • Medium 5.5

    ubifs: skip dumping tnc tree when zroot is null

    In the Linux kernel, the following vulnerability has been resolved: ubifs: skip dumping tnc tree when zroot is null Clearing slab cache will free all znode in memory and make c->zroot.znode = NULL, then dumping tnc tree will access c->zroot.znode which cause …

  • Medium 5.5

    drm/amdgpu: Fix potential NULL pointer dereference in atomctrl_get_smc_sclk_range_table

    In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix potential NULL pointer dereference in atomctrl_get_smc_sclk_range_table The function atomctrl_get_smc_sclk_range_table() does not check the return value of smu_atom_get_data_t…

  • Medium 6.4

    Grub2: romfs: integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading dat

    A flaw was found in grub2. When performing a symlink lookup from a romfs filesystem, grub's romfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer o…

  • Medium 6.4

    Grub2: jfs: integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data

    A flaw was found in grub2. When reading data from a jfs filesystem, grub's jfs filesystem module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer overflows. A malicio…

  • Medium 6.4

    Grub2: reiserfs: integer overflow when handling symlinks may lead to heap based out-of-bounds write when reading data

    A flaw was found in grub2. When performing a symlink lookup from a reiserfs filesystem, grub's reiserfs fs module uses user-controlled parameters from the filesystem geometry to determine the internal buffer size, however, it improperly checks for integer ove…

  • Medium 4.1

    Grub2: fs/bfs: integer overflow in the bfs parser.

    A stack overflow flaw was found when reading a BFS file system. A crafted BFS filesystem may lead to an uncontrolled loop, causing grub2 to crash.

  • Medium 6.0

    Grub2: fs/bfs: integer overflow leads to heap oob read in the bfs parser

    An integer overflow flaw was found in the BFS file system driver in grub2. When reading a file with an indirect extent map, grub2 fails to validate the number of extent entries to be read. A crafted or corrupted BFS filesystem may cause an integer overflow du…

  • Medium 6.7

    Grub2: fs/tar: integer overflow causes heap oob write

    A flaw was found in grub2. When reading tar files, grub2 allocates an internal buffer for the file name. However, it fails to properly verify the allocation against possible integer overflows. It's possible to cause the allocation length to overflow with a cr…

  • Medium 5.9
    CVE-2025-26466 Public exploit EPSS 39%

    Openssh: denial-of-service in openssh

    A flaw was found in the OpenSSH package. For each ping packet the SSH server receives, a pong packet is allocated in a memory buffer and stored in a queue of packages. It is only freed when the server/client key exchange has finished. A malicious client may k…

  • Medium 5.5

    gpu: host1x: Fix a use of uninitialized mutex

    In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix a use of uninitialized mutex commit c8347f915e67 ("gpu: host1x: Fix boot regression for Tegra") caused a use of uninitialized mutex leading to below warning when CONFIG_DEBUG…

  • Medium 5.5

    firewire: test: Fix potential null dereference in firewire kunit test

    In the Linux kernel, the following vulnerability has been resolved: firewire: test: Fix potential null dereference in firewire kunit test kunit_kzalloc() may return a NULL pointer, dereferencing it without NULL check may lead to NULL dereference. Add a NULL c…

  • Medium 5.5

    rhashtable: Fix potential deadlock by moving schedule_work outside lock

    In the Linux kernel, the following vulnerability has been resolved: rhashtable: Fix potential deadlock by moving schedule_work outside lock Move the hash table growth check and work scheduling outside the rht lock to prevent a possible circular locking depend…

  • Medium 5.5

    mailbox: th1520: Fix a NULL vs IS_ERR() bug

    In the Linux kernel, the following vulnerability has been resolved: mailbox: th1520: Fix a NULL vs IS_ERR() bug The devm_ioremap() function doesn't return error pointers, it returns NULL. Update the error checking to match.

  • Medium 5.5

    spi: sn-f-ospi: Fix division by zero

    In the Linux kernel, the following vulnerability has been resolved: spi: sn-f-ospi: Fix division by zero When there is no dummy cycle in the spi-nor commands, both dummy bus cycle bytes and width are zero. Because of the cpu's warning when divided by zero, th…

  • Medium 5.5

    vxlan: check vxlan_vnigroup_init() return value

    In the Linux kernel, the following vulnerability has been resolved: vxlan: check vxlan_vnigroup_init() return value vxlan_init() must check vxlan_vnigroup_init() success otherwise a crash happens later, spotted by syzbot. Oops: general protection fault, proba…

  • Medium 5.5

    gpiolib: Fix crash on error in gpiochip_get_ngpios()

    In the Linux kernel, the following vulnerability has been resolved: gpiolib: Fix crash on error in gpiochip_get_ngpios() The gpiochip_get_ngpios() uses chip_*() macros to print messages. However these macros rely on gpiodev to be initialised and set, which is…

  • Medium 5.5

    can: ctucanfd: handle skb allocation failure

    In the Linux kernel, the following vulnerability has been resolved: can: ctucanfd: handle skb allocation failure If skb allocation fails, the pointer to struct can_frame is NULL. This is actually handled everywhere inside ctucan_err_interrupt() except for the…

  • Medium 5.5

    can: etas_es58x: fix potential NULL pointer dereference on udev->serial

    In the Linux kernel, the following vulnerability has been resolved: can: etas_es58x: fix potential NULL pointer dereference on udev->serial The driver assumed that es58x_dev->udev->serial could never be NULL. While this is true on commercially available devic…

  • Medium 5.5

    can: rockchip: rkcanfd_handle_rx_fifo_overflow_int(): bail out if skb cannot be allocated

    In the Linux kernel, the following vulnerability has been resolved: can: rockchip: rkcanfd_handle_rx_fifo_overflow_int(): bail out if skb cannot be allocated Fix NULL pointer check in rkcanfd_handle_rx_fifo_overflow_int() to bail out if skb cannot be allocate…

  • Medium 5.5

    ptp: vmclock: Add .owner to vmclock_miscdev_fops

    In the Linux kernel, the following vulnerability has been resolved: ptp: vmclock: Add .owner to vmclock_miscdev_fops Without the .owner field, the module can be unloaded while /dev/vmclock0 is open, leading to an oops.

  • Medium 5.5

    iommu: Fix potential memory leak in iopf_queue_remove_device()

    In the Linux kernel, the following vulnerability has been resolved: iommu: Fix potential memory leak in iopf_queue_remove_device() The iopf_queue_remove_device() helper removes a device from the per-iommu iopf queue when PRI is disabled on the device. It resp…

  • Medium 5.5

    HID: winwing: Add NULL check in winwing_init_led()

    In the Linux kernel, the following vulnerability has been resolved: HID: winwing: Add NULL check in winwing_init_led() devm_kasprintf() can return a NULL pointer on failure,but this returned value in winwing_init_led() is not checked. Add NULL check in winwin…

  • Medium 5.5

    drm: zynqmp_dp: Fix integer overflow in zynqmp_dp_rate_get()

    In the Linux kernel, the following vulnerability has been resolved: drm: zynqmp_dp: Fix integer overflow in zynqmp_dp_rate_get() This patch fixes a potential integer overflow in the zynqmp_dp_rate_get() The issue comes up when the expression drm_dp_bw_code_to…

  • Medium 5.5

    ceph: fix memory leak in ceph_mds_auth_match()

    In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leak in ceph_mds_auth_match() We now free the temporary target path substring allocation on every possible branch, instead of omitting the default branch. In some cases, a me…

  • Medium 5.5

    ASoC: SOF: Intel: hda-dai: Ensure DAI widget is valid during params

    In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: Intel: hda-dai: Ensure DAI widget is valid during params Each cpu DAI should associate with a widget. However, the topology might not create the right number of DAI widgets for agg…

  • Medium 5.5

    platform/x86: int3472: Check for adev == NULL

    In the Linux kernel, the following vulnerability has been resolved: platform/x86: int3472: Check for adev == NULL Not all devices have an ACPI companion fwnode, so adev might be NULL. This can e.g. (theoretically) happen when a user manually binds one of the …

  • Medium 5.5

    scsi: mpi3mr: Fix possible crash when setting up bsg fails

    In the Linux kernel, the following vulnerability has been resolved: scsi: mpi3mr: Fix possible crash when setting up bsg fails If bsg_setup_queue() fails, the bsg_queue is assigned a non-NULL value. Consequently, in mpi3mr_bsg_exit(), the condition "if(!mrioc…

  • Medium 5.5

    vxlan: Fix uninit-value in vxlan_vnifilter_dump()

    In the Linux kernel, the following vulnerability has been resolved: vxlan: Fix uninit-value in vxlan_vnifilter_dump() KMSAN reported an uninit-value access in vxlan_vnifilter_dump() [1]. If the length of the netlink message payload is less than sizeof(struct …

  • Medium 5.5

    powerpc/pseries/iommu: Don't unset window if it was never set

    In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/iommu: Don't unset window if it was never set On pSeries, when user attempts to use the same vfio container used by different iommu group, the spapr_tce_set_window() returns -…

  • Medium 5.5

    wifi: rtw89: chan: fix soft lockup in rtw89_entity_recalc_mgnt_roles()

    In the Linux kernel, the following vulnerability has been resolved: wifi: rtw89: chan: fix soft lockup in rtw89_entity_recalc_mgnt_roles() During rtw89_entity_recalc_mgnt_roles(), there is a normalizing process which will re-order the list if an entry with ta…

  • Medium 5.5

    wifi: mt76: mt7925: fix NULL deref check in mt7925_change_vif_links

    In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7925: fix NULL deref check in mt7925_change_vif_links In mt7925_change_vif_links() devm_kzalloc() may return NULL but this returned value is not checked.

  • Medium 5.5

    Bluetooth: btrtl: check for NULL in btrtl_setup_realtek()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btrtl: check for NULL in btrtl_setup_realtek() If insert an USB dongle which chip is not maintained in ic_id_table, it will hit the NULL point accessed. Add a null point check to a…

  • Medium 5.5

    Bluetooth: btbcm: Fix NULL deref in btbcm_get_board_name()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btbcm: Fix NULL deref in btbcm_get_board_name() devm_kstrdup() can return a NULL pointer on failure,but this returned value in btbcm_get_board_name() is not checked. Add NULL check…

  • Medium 5.5

    rtc: tps6594: Fix integer overflow on 32bit systems

    In the Linux kernel, the following vulnerability has been resolved: rtc: tps6594: Fix integer overflow on 32bit systems The problem is this multiply in tps6594_rtc_set_offset() tmp = offset * TICKS_PER_HOUR; The "tmp" variable is an s64 but "offset" is a long…

  • Medium 5.5

    ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo()

    In the Linux kernel, the following vulnerability has been resolved: ata: libata-core: fix NULL pointer deref in ata_host_alloc_pinfo() In an unlikely (and probably wrong?) case that the 'ppi' parameter of ata_host_alloc_pinfo() points to an array starting wit…

  • Medium 5.5

    nfc: nfcmrvl: Fix memory leak in nfcmrvl_play_deferred

    In the Linux kernel, the following vulnerability has been resolved: nfc: nfcmrvl: Fix memory leak in nfcmrvl_play_deferred Similar to the handling of play_deferred in commit 19cfe912c37b ("Bluetooth: btusb: Fix memory leak in play_deferred"), we thought a pat…

  • Medium 5.5

    ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg

    In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix signed integer overflow in l2tp_ip6_sendmsg When len >= INT_MAX - transhdrlen, ulen = len + transhdrlen will be overflow. To fix, we can follow what udpv6 does and subtract the tran…

  • Medium 5.5

    irqchip/gic/realview: Fix refcount leak in realview_gic_of_init

    In the Linux kernel, the following vulnerability has been resolved: irqchip/gic/realview: Fix refcount leak in realview_gic_of_init of_find_matching_node_and_match() returns a node pointer with refcount incremented, we should use of_node_put() on it when not …

  • Medium 5.5

    irqchip/apple-aic: Fix refcount leak in aic_of_ic_init

    In the Linux kernel, the following vulnerability has been resolved: irqchip/apple-aic: Fix refcount leak in aic_of_ic_init of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add mi…

  • Medium 5.5

    irqchip/apple-aic: Fix refcount leak in build_fiq_affinity

    In the Linux kernel, the following vulnerability has been resolved: irqchip/apple-aic: Fix refcount leak in build_fiq_affinity of_find_node_by_phandle() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore.…