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Medium 5.5
drivers: staging: rtl8192bs: Fix deadlock in rtw_joinbss_event_prehandle()
In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192bs: Fix deadlock in rtw_joinbss_event_prehandle() There is a deadlock in rtw_joinbss_event_prehandle(), which is shown below: (Thread 1) | (Thread 2) | _set_timer() r…
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Medium 5.5
staging: rtl8712: fix a potential memory leak in r871xu_drv_init()
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix a potential memory leak in r871xu_drv_init() In r871xu_drv_init(), if r8712_init_drv_sw() fails, then the memory allocated by r8712_alloc_io_queue() in r8712_usb_dvobj_i…
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Medium 5.5
tty: synclink_gt: Fix null-pointer-dereference in slgt_clean()
In the Linux kernel, the following vulnerability has been resolved: tty: synclink_gt: Fix null-pointer-dereference in slgt_clean() When the driver fails at alloc_hdlcdev(), and then we remove the driver module, we will get the following splat: [ 25.065966] ge…
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Medium 5.5
drivers: staging: rtl8192u: Fix deadlock in ieee80211_beacons_stop()
In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192u: Fix deadlock in ieee80211_beacons_stop() There is a deadlock in ieee80211_beacons_stop(), which is shown below: (Thread 1) | (Thread 2) | ieee80211_send_beacon() i…
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Medium 5.5
drivers: tty: serial: Fix deadlock in sa1100_set_termios()
In the Linux kernel, the following vulnerability has been resolved: drivers: tty: serial: Fix deadlock in sa1100_set_termios() There is a deadlock in sa1100_set_termios(), which is shown below: (Thread 1) | (Thread 2) | sa1100_enable_ms() sa1100_set_termios()…
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Medium 5.5
drivers: staging: rtl8192eu: Fix deadlock in rtw_joinbss_event_prehandle
In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192eu: Fix deadlock in rtw_joinbss_event_prehandle There is a deadlock in rtw_joinbss_event_prehandle(), which is shown below: (Thread 1) | (Thread 2) | _set_timer() rtw…
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Medium 5.5
USB: host: isp116x: check return value after calling platform_get_resource()
In the Linux kernel, the following vulnerability has been resolved: USB: host: isp116x: check return value after calling platform_get_resource() It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.
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Medium 5.5
staging: rtl8712: fix uninit-value in usb_read8() and friends
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix uninit-value in usb_read8() and friends When r8712_usbctrl_vendorreq() returns negative, 'data' in usb_read{8,16,32} will not be initialized. BUG: KMSAN: uninit-value in…
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Medium 4.7
nbd: fix race between nbd_alloc_config() and module removal
In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between nbd_alloc_config() and module removal When nbd module is being removing, nbd_alloc_config() may be called concurrently by nbd_genl_connect(), although try_module_get() w…
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Medium 5.5
staging: rtl8712: fix uninit-value in r871xu_drv_init()
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix uninit-value in r871xu_drv_init() When 'tmpU1b' returns from r8712_read8(padapter, EE_9346CR) is 0, 'mac[6]' will not be initialized. BUG: KMSAN: uninit-value in r871xu_…
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Medium 5.5
f2fs: quota: fix loop condition at f2fs_quota_sync()
In the Linux kernel, the following vulnerability has been resolved: f2fs: quota: fix loop condition at f2fs_quota_sync() cnt should be passed to sb_has_quota_active() instead of type to check active quota properly. Moreover, when the type is -1, the compiler …
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Medium 5.5
jffs2: fix memory leak in jffs2_do_mount_fs
In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2_do_mount_fs If jffs2_build_filesystem() in jffs2_do_mount_fs() returns an error, we can observe the following kmemleak report: --------------------------------…
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Medium 5.5
jffs2: fix memory leak in jffs2_scan_medium
In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2_scan_medium If an error is returned in jffs2_scan_eraseblock() and some memory has been added to the jffs2_summary *s, we can observe the following kmemleak re…
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Medium 5.5
ASoC: mxs: Fix error handling in mxs_sgtl5000_probe
In the Linux kernel, the following vulnerability has been resolved: ASoC: mxs: Fix error handling in mxs_sgtl5000_probe This function only calls of_node_put() in the regular path. And it will cause refcount leak in error paths. For example, when codec_np is N…
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Medium 5.5
ASoC: atmel: Fix error handling in sam9x5_wm8731_driver_probe
In the Linux kernel, the following vulnerability has been resolved: ASoC: atmel: Fix error handling in sam9x5_wm8731_driver_probe The device_node pointer is returned by of_parse_phandle() with refcount incremented. We should use of_node_put() on it when done.…
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Medium 5.5
ath9k_htc: fix uninit value bugs
In the Linux kernel, the following vulnerability has been resolved: ath9k_htc: fix uninit value bugs Syzbot reported 2 KMSAN bugs in ath9k. All of them are caused by missing field initialization. In htc_connect_service() svc_meta_len and pad are not initializ…
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Medium 5.5
drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes()
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix a NULL pointer dereference in amdgpu_dm_connector_add_common_modes() In amdgpu_dm_connector_add_common_modes(), amdgpu_dm_create_common_mode() is assigned to mode and is …
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Medium 5.5
power: supply: ab8500: Fix memory leak in ab8500_fg_sysfs_init
In the Linux kernel, the following vulnerability has been resolved: power: supply: ab8500: Fix memory leak in ab8500_fg_sysfs_init kobject_init_and_add() takes reference even when it fails. According to the doc of kobject_init_and_add()： If this function retu…
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Medium 5.5
drm/tegra: Fix reference leak in tegra_dsi_ganged_probe
In the Linux kernel, the following vulnerability has been resolved: drm/tegra: Fix reference leak in tegra_dsi_ganged_probe The reference taken by 'of_find_device_by_node()' must be released when not needed anymore. Add put_device() call to fix this.
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Medium 5.5
mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init
In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: atmel: fix refcount issue in atmel_nand_controller_init The reference counting issue happens in several error handling paths on a refcounted object "nc->dmac". In these paths, t…
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Medium 5.5
bpf, sockmap: Fix memleak in tcp_bpf_sendmsg while sk msg is full
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix memleak in tcp_bpf_sendmsg while sk msg is full If tcp_bpf_sendmsg() is running while sk msg is full. When sk_msg_alloc() returns -ENOMEM error, tcp_bpf_sendmsg() goes to wa…
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Medium 5.5
RDMA/mlx5: Fix memory leak in error flow for subscribe event routine
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix memory leak in error flow for subscribe event routine In case the second xa_insert() fails, the obj_event is not released. Fix the error unwind flow to free that memory to avoi…
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Medium 5.5
pinctrl: nomadik: Add missing of_node_put() in nmk_pinctrl_probe
In the Linux kernel, the following vulnerability has been resolved: pinctrl: nomadik: Add missing of_node_put() in nmk_pinctrl_probe This node pointer is returned by of_parse_phandle() with refcount incremented in this function. Calling of_node_put() to avoid…
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Medium 5.5
net/sched: act_ct: fix ref leak when switching zones
In the Linux kernel, the following vulnerability has been resolved: net/sched: act_ct: fix ref leak when switching zones When switching zones or network namespaces without doing a ct clear in between, it is now leaking a reference to the old ct entry. That's …
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Medium 5.5
hwrng: cavium - fix NULL but dereferenced coccicheck error
In the Linux kernel, the following vulnerability has been resolved: hwrng: cavium - fix NULL but dereferenced coccicheck error Fix following coccicheck warning: ./drivers/char/hw_random/cavium-rng-vf.c:182:17-20: ERROR: pdev is NULL but dereferenced.
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Medium 5.5
scsi: qla2xxx: Suppress a kernel complaint in qla_create_qpair()
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Suppress a kernel complaint in qla_create_qpair() [ 12.323788] BUG: using smp_processor_id() in preemptible [00000000] code: systemd-udevd/1020 [ 12.332297] caller is qla2xxx_c…
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Medium 5.5
Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: fix null ptr deref on hci_sync_conn_complete_evt This event is just specified for SCO and eSCO link types. On the reception of a HCI_Synchronous_Connection_Complete for a BDADDR of…
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Medium 5.5
drm/amd/amdgpu/amdgpu_cs: fix refcount leak of a dma_fence obj
In the Linux kernel, the following vulnerability has been resolved: drm/amd/amdgpu/amdgpu_cs: fix refcount leak of a dma_fence obj This issue takes place in an error path in amdgpu_cs_fence_to_handle_ioctl(). When `info->in.what` falls into default case, the …
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Medium 5.5
mlxsw: spectrum: Guard against invalid local ports
In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum: Guard against invalid local ports When processing events generated by the device's firmware, the driver protects itself from events reported for non-existent local ports, but…
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Medium 5.5
drm/amd/display: Fix memory leak
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix memory leak [why] Resource release is needed on the error handling path to prevent memory leak. [how] Fix this by adding kfree on the error handling path.
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Medium 5.5
scsi: pm8001: Fix memory leak in pm8001_chip_fw_flash_update_req()
In the Linux kernel, the following vulnerability has been resolved: scsi: pm8001: Fix memory leak in pm8001_chip_fw_flash_update_req() In pm8001_chip_fw_flash_update_build(), if pm8001_chip_fw_flash_update_build() fails, the struct fw_control_ex allocated mus…
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Medium 5.5
mips: ralink: fix a refcount leak in ill_acc_of_setup()
In the Linux kernel, the following vulnerability has been resolved: mips: ralink: fix a refcount leak in ill_acc_of_setup() of_node_put(np) needs to be called when pdev == NULL.
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Medium 5.5
powerpc/secvar: fix refcount leak in format_show()
In the Linux kernel, the following vulnerability has been resolved: powerpc/secvar: fix refcount leak in format_show() Refcount leak will happen when format_show returns failure in multiple cases. Unified management of of_node_put can fix this problem.
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Medium 5.5
clk: mediatek: Fix memory leaks on probe
In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: Fix memory leaks on probe Handle the error branches to free memory where required. Addresses-Coverity-ID: 1491825 ("Resource leak")
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Medium 5.5
ceph: fix memory leak in ceph_readdir when note_last_dentry returns error
In the Linux kernel, the following vulnerability has been resolved: ceph: fix memory leak in ceph_readdir when note_last_dentry returns error Reset the last_readdir at the same time, and add a comment explaining why we don't free last_readdir when dir_emit re…
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Medium 5.5
staging: vchiq_arm: Avoid NULL ptr deref in vchiq_dump_platform_instances
In the Linux kernel, the following vulnerability has been resolved: staging: vchiq_arm: Avoid NULL ptr deref in vchiq_dump_platform_instances vchiq_get_state() can return a NULL pointer. So handle this cases and avoid a NULL pointer derefence in vchiq_dump_pl…
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Medium 5.5
net: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: stmmac: fix altr_tse_pcs function when using a fixed-link When using a fixed-link, the altr_tse_pcs driver crashes due to null-pointer dereference as no phy_device is provided …
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Medium 5.5
net/smc: Fix NULL pointer dereference in smc_pnet_find_ib()
In the Linux kernel, the following vulnerability has been resolved: net/smc: Fix NULL pointer dereference in smc_pnet_find_ib() dev_name() was called with dev.parent as argument but without to NULL-check it before. Solve this by checking the pointer before th…
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Medium 5.5
drm/amdkfd: Check for potential null return of kmalloc_array()
In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Check for potential null return of kmalloc_array() As the kmalloc_array() may return null, the 'event_waiters[i].wait' would lead to null-pointer dereference. Therefore, it is bet…
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Medium 5.5
video: fbdev: smscufx: Fix null-ptr-deref in ufx_usb_probe()
In the Linux kernel, the following vulnerability has been resolved: video: fbdev: smscufx: Fix null-ptr-deref in ufx_usb_probe() I got a null-ptr-deref report: BUG: kernel NULL pointer dereference, address: 0000000000000000 ... RIP: 0010:fb_destroy_modelist+0…