16,108 results · Feed
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Medium 5.5
blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none
In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix NULL dereference on q->elevator in blk_mq_elv_switch_none After grabbing q->sysfs_lock, q->elevator may become NULL because of elevator switch. Fix the NULL dereference on q->elev…
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Medium 5.5
rcu/rcuscale: Stop kfree_scale_thread thread(s) after unloading rcuscale
In the Linux kernel, the following vulnerability has been resolved: rcu/rcuscale: Stop kfree_scale_thread thread(s) after unloading rcuscale Running the 'kfree_rcu_test' test case [1] results in a splat [2]. The root cause is the kfree_scale_thread thread(s) …
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Medium 5.5
samples/bpf: Fix fout leak in hbm's run_bpf_prog
In the Linux kernel, the following vulnerability has been resolved: samples/bpf: Fix fout leak in hbm's run_bpf_prog Fix fout being fopen'ed but then not subsequently fclose'd. In the affected branch, fout is otherwise going out of scope.
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Medium 5.5
media: bdisp: Add missing check for create_workqueue
In the Linux kernel, the following vulnerability has been resolved: media: bdisp: Add missing check for create_workqueue Add the check for the return value of the create_workqueue in order to avoid NULL pointer dereference.
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Medium 5.5
drm/client: Fix memory leak in drm_client_modeset_probe
In the Linux kernel, the following vulnerability has been resolved: drm/client: Fix memory leak in drm_client_modeset_probe When a new mode is set to modeset->mode, the previous mode should be freed. This fixes the following kmemleak report: drm_mode_duplicat…
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Medium 5.5
usb: cdns3: Put the cdns set active part outside the spin lock
In the Linux kernel, the following vulnerability has been resolved: usb: cdns3: Put the cdns set active part outside the spin lock The device may be scheduled during the resume process, so this cannot appear in atomic operations. Since pm_runtime_set_active w…
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High 7.8
RDMA/mlx5: Return the firmware result upon destroying QP/RQ
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Return the firmware result upon destroying QP/RQ Previously when destroying a QP/RQ, the result of the firmware destruction function was ignored and upper layers weren't informed a…
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High 7.1
ext4: add bounds checking in get_max_inline_xattr_value_size()
In the Linux kernel, the following vulnerability has been resolved: ext4: add bounds checking in get_max_inline_xattr_value_size() Normally the extended attributes in the inode body would have been checked when the inode is first opened, but if someone is wri…
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High 7.8
scsi: lpfc: Fix use-after-free KFENCE violation during sysfs firmware write
In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix use-after-free KFENCE violation during sysfs firmware write During the sysfs firmware write process, a use-after-free read warning is logged from the lpfc_wr_object() routine:…
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Medium 5.5
drivers: staging: rtl8723bs: Fix locking in _rtw_join_timeout_handler()
In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8723bs: Fix locking in _rtw_join_timeout_handler() Commit 041879b12ddb ("drivers: staging: rtl8192bs: Fix deadlock in rtw_joinbss_event_prehandle()") besides fixing the d…
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Medium 5.5
scsi: qla2xxx: Remove unused nvme_ls_waitq wait queue
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Remove unused nvme_ls_waitq wait queue System crash when qla2x00_start_sp(sp) returns error code EGAIN and wake_up gets called for uninitialized wait queue sp->nvme_ls_waitq. q…
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Medium 5.5
misc: vmw_balloon: fix memory leak with using debugfs_lookup()
In the Linux kernel, the following vulnerability has been resolved: misc: vmw_balloon: fix memory leak with using debugfs_lookup() When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things…
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Medium 5.5
wifi: iwl3945: Add missing check for create_singlethread_workqueue
In the Linux kernel, the following vulnerability has been resolved: wifi: iwl3945: Add missing check for create_singlethread_workqueue Add the check for the return value of the create_singlethread_workqueue in order to avoid NULL pointer dereference.
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Medium 5.5
ubifs: Free memory for tmpfile name
In the Linux kernel, the following vulnerability has been resolved: ubifs: Free memory for tmpfile name When opening a ubifs tmpfile on an encrypted directory, function fscrypt_setup_filename allocates memory for the name that is to be stored in the directory…
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Medium 5.5
ALSA: hda: fix a possible null-pointer dereference due to data race in snd_hdac_regmap_sync()
In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: fix a possible null-pointer dereference due to data race in snd_hdac_regmap_sync() The variable codec->regmap is often protected by the lock codec->regmap_lock when is accessed. Ho…
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Medium 5.5
Drivers: vmbus: Check for channel allocation before looking up relids
In the Linux kernel, the following vulnerability has been resolved: Drivers: vmbus: Check for channel allocation before looking up relids relid2channel() assumes vmbus channel array to be allocated when called. However, in cases such as kdump/kexec, not all r…
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High 7.1
net: ena: fix shift-out-of-bounds in exponential backoff
In the Linux kernel, the following vulnerability has been resolved: net: ena: fix shift-out-of-bounds in exponential backoff The ENA adapters on our instances occasionally reset. Once recently logged a UBSAN failure to console in the process: UBSAN: shift-out…
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Medium 5.5
ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume()
In the Linux kernel, the following vulnerability has been resolved: ubi: Fix unreferenced object reported by kmemleak in ubi_resize_volume() There is a memory leaks problem reported by kmemleak: unreferenced object 0xffff888102007a00 (size 128): comm "ubirsvo…
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Medium 5.5
ext4: fix i_disksize exceeding i_size problem in paritally written case
In the Linux kernel, the following vulnerability has been resolved: ext4: fix i_disksize exceeding i_size problem in paritally written case It is possible for i_disksize can exceed i_size, triggering a warning. generic_perform_write copied = iov_iter_copy_fro…
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Medium 5.5
ASoC: fsl_mqs: move of_node_put() to the correct location
In the Linux kernel, the following vulnerability has been resolved: ASoC: fsl_mqs: move of_node_put() to the correct location of_node_put() should have been done directly after mqs_priv->regmap = syscon_node_to_regmap(gpr_np); otherwise it creates a reference…
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High 7.1
ubi: ensure that VID header offset + VID header size <= alloc, size
In the Linux kernel, the following vulnerability has been resolved: ubi: ensure that VID header offset + VID header size <= alloc, size Ensure that the VID header offset + VID header size does not exceed the allocated area to avoid slab OOB. BUG: KASAN: slab-…
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Unscored —
ocxl: fix pci device refcount leak when calling get_function_0()
In the Linux kernel, the following vulnerability has been resolved: ocxl: fix pci device refcount leak when calling get_function_0() get_function_0() calls pci_get_domain_bus_and_slot(), as comment says, it returns a pci device with refcount increment, so aft…
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Unscored —
fs/ntfs3: Add null pointer check to attr_load_runs_vcn
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add null pointer check to attr_load_runs_vcn Some metadata files are handled before MFT. This adds a null pointer check for some corner cases that could lead to NPD while reading th…
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Critical 9.8
9p: set req refcount to zero to avoid uninitialized usage
In the Linux kernel, the following vulnerability has been resolved: 9p: set req refcount to zero to avoid uninitialized usage When a new request is allocated, the refcount will be zero if it is reused, but if the request is newly allocated from slab, it is no…
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Unscored —
hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param()
In the Linux kernel, the following vulnerability has been resolved: hugetlbfs: fix null-ptr-deref in hugetlbfs_parse_param() Syzkaller reports a null-ptr-deref bug as follows: ====================================================== KASAN: null-ptr-deref in ran…
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High 7.8
fs: jfs: fix shift-out-of-bounds in dbDiscardAG
In the Linux kernel, the following vulnerability has been resolved: fs: jfs: fix shift-out-of-bounds in dbDiscardAG This should be applied to most URSAN bugs found recently by syzbot, by guarding the dbMount. As syzbot feeding rubbish into the bmap descriptor.
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Unscored —
video/aperture: Call sysfb_disable() before removing PCI devices
In the Linux kernel, the following vulnerability has been resolved: video/aperture: Call sysfb_disable() before removing PCI devices Call sysfb_disable() from aperture_remove_conflicting_pci_devices() before removing PCI devices. Without, simpledrm can still …
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Unscored —
wwan_hwsim: fix possible memory leak in wwan_hwsim_dev_new()
In the Linux kernel, the following vulnerability has been resolved: wwan_hwsim: fix possible memory leak in wwan_hwsim_dev_new() Inject fault while probing module, if device_register() fails, but the refcount of kobject is not decreased to 0, the name allocat…
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High 7.1
crypto: cavium - prevent integer overflow loading firmware
In the Linux kernel, the following vulnerability has been resolved: crypto: cavium - prevent integer overflow loading firmware The "code_length" value comes from the firmware file. If your firmware is untrusted realistically there is probably very little you …
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High 7.8
jbd2: fix potential use-after-free in jbd2_fc_wait_bufs
In the Linux kernel, the following vulnerability has been resolved: jbd2: fix potential use-after-free in jbd2_fc_wait_bufs In 'jbd2_fc_wait_bufs' use 'bh' after put buffer head reference count which may lead to use-after-free. So judge buffer if uptodate bef…
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Unscored —
ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value
In the Linux kernel, the following vulnerability has been resolved: ACPI: processor: idle: Check acpi_fetch_acpi_dev() return value The return value of acpi_fetch_acpi_dev() could be NULL, which would cause a NULL pointer dereference to occur in acpi_device_h…
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Unscored —
mtd: maps: pxa2xx-flash: fix memory leak in probe
In the Linux kernel, the following vulnerability has been resolved: mtd: maps: pxa2xx-flash: fix memory leak in probe Free 'info' upon remapping error to avoid a memory leak. [<miquel.raynal@bootlin.com>: Reword the commit log]
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Unscored —
net: do not sense pfmemalloc status in skb_append_pagefrags()
In the Linux kernel, the following vulnerability has been resolved: net: do not sense pfmemalloc status in skb_append_pagefrags() skb_append_pagefrags() is used by af_unix and udp sendpage() implementation so far. In commit 326140063946 ("tcp: TX zerocopy sho…
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Unscored —
rtc: msc313: Fix function prototype mismatch in msc313_rtc_probe()
In the Linux kernel, the following vulnerability has been resolved: rtc: msc313: Fix function prototype mismatch in msc313_rtc_probe() With clang's kernel control flow integrity (kCFI, CONFIG_CFI_CLANG), indirect call targets are validated against the expecte…
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Unscored —
wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit()
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: fix potential memory leak in brcmf_netdev_start_xmit() The brcmf_netdev_start_xmit() returns NETDEV_TX_OK without freeing skb in case of pskb_expand_head() fails, add dev_kfre…
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Unscored —
ACPI: tables: FPDT: Don't call acpi_os_map_memory() on invalid phys address
In the Linux kernel, the following vulnerability has been resolved: ACPI: tables: FPDT: Don't call acpi_os_map_memory() on invalid phys address On a Packard Bell Dot SC (Intel Atom N2600 model) there is a FPDT table which contains invalid physical addresses, …
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Unscored —
coresight: trbe: remove cpuhp instance node before remove cpuhp state
In the Linux kernel, the following vulnerability has been resolved: coresight: trbe: remove cpuhp instance node before remove cpuhp state cpuhp_state_add_instance() and cpuhp_state_remove_instance() should be used in pairs. Or there will lead to the warn on c…
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Unscored —
perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()
In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox() pci_get_device() will increase the reference count for the returned 'dev'. We need to call pci_dev_put() to decrease …
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Unscored —
drm/bridge: megachips: Fix a null pointer dereference bug
In the Linux kernel, the following vulnerability has been resolved: drm/bridge: megachips: Fix a null pointer dereference bug When removing the module we will get the following warning: [ 31.911505] i2c-core: driver [stdp2690-ge-b850v3-fw] unregistered [ 31.9…
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Unscored —
orangefs: Fix kmemleak in orangefs_sysfs_init()
In the Linux kernel, the following vulnerability has been resolved: orangefs: Fix kmemleak in orangefs_sysfs_init() When insert and remove the orangefs module, there are kobjects memory leaked as below: unreferenced object 0xffff88810f95af00 (size 64): comm "…