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Medium 5.5
nfc: fix memory leak of se_io context in nfc_genl_se_io
In the Linux kernel, the following vulnerability has been resolved: nfc: fix memory leak of se_io context in nfc_genl_se_io The callback context for sending/receiving APDUs to/from the selected secure element is allocated inside nfc_genl_se_io and supposed to…
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Medium 5.5
sctp: check send stream number after wait_for_sndbuf
In the Linux kernel, the following vulnerability has been resolved: sctp: check send stream number after wait_for_sndbuf This patch fixes a corner case where the asoc out stream count may change after wait_for_sndbuf. When the main thread in the client starts…
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Medium 5.5
udf: Do not update file length for failed writes to inline files
In the Linux kernel, the following vulnerability has been resolved: udf: Do not update file length for failed writes to inline files When write to inline file fails (or happens only partly), we still updated length of inline data as if the whole write succeed…
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Medium 5.5
fs/ntfs3: Fix null-ptr-deref on inode->i_op in ntfs_lookup()
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix null-ptr-deref on inode->i_op in ntfs_lookup() Syzbot reported a null-ptr-deref bug: ntfs3: loop0: Different NTFS' sector size (1024) and media sector size (512) ntfs3: loop0: M…
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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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Medium 5.5
drm/msm/dpu: check for null return of devm_kzalloc() in dpu_writeback_init()
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: check for null return of devm_kzalloc() in dpu_writeback_init() Because of the possilble failure of devm_kzalloc(), dpu_wb_conn might be NULL and will cause null pointer derefere…
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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: Fix memory leak in ubifs_sysfs_init()
In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix memory leak in ubifs_sysfs_init() When insmod ubifs.ko, a kmemleak reported as below: unreferenced object 0xffff88817fb1a780 (size 8): comm "insmod", pid 25265, jiffies 4295239702 …
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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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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
block: ublk: make sure that block size is set correctly
In the Linux kernel, the following vulnerability has been resolved: block: ublk: make sure that block size is set correctly block size is one very key setting for block layer, and bad block size could panic kernel easily. Make sure that block size is set corr…
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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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Medium 5.5
driver: soc: xilinx: fix memory leak in xlnx_add_cb_for_notify_event()
In the Linux kernel, the following vulnerability has been resolved: driver: soc: xilinx: fix memory leak in xlnx_add_cb_for_notify_event() The kfree() should be called when memory fails to be allocated for cb_data in xlnx_add_cb_for_notify_event(), otherwise …
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Medium 5.5
arm64: acpi: Fix possible memory leak of ffh_ctxt
In the Linux kernel, the following vulnerability has been resolved: arm64: acpi: Fix possible memory leak of ffh_ctxt Allocated 'ffh_ctxt' memory leak is possible if the SMCCC version and conduit checks fail and -EOPNOTSUPP is returned without freeing the all…
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Medium 5.5
clk: imx: clk-imxrt1050: fix memory leak in imxrt1050_clocks_probe
In the Linux kernel, the following vulnerability has been resolved: clk: imx: clk-imxrt1050: fix memory leak in imxrt1050_clocks_probe Use devm_of_iomap() instead of of_iomap() to automatically handle the unused ioremap region. If any error occurs, regions al…
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Medium 5.5
coresight: Fix memory leak in acpi_buffer->pointer
In the Linux kernel, the following vulnerability has been resolved: coresight: Fix memory leak in acpi_buffer->pointer There are memory leaks reported by kmemleak: ... unreferenced object 0xffff00213c141000 (size 1024): comm "systemd-udevd", pid 2123, jiffies…
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Medium 5.5
ovl: fix null pointer dereference in ovl_permission()
In the Linux kernel, the following vulnerability has been resolved: ovl: fix null pointer dereference in ovl_permission() Following process: P1 P2 path_lookupat link_path_walk inode_permission ovl_permission ovl_i_path_real(inode, &realpath) path->dentry = ov…
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Medium 5.5
drm/amd/display: Fix possible underflow for displays with large vblank
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix possible underflow for displays with large vblank [Why] Underflow observed when using a display with a large vblank region and low refresh rate [How] Simplify calculation…
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Medium 5.5
firmware: arm_ffa: Fix FFA device names for logical partitions
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_ffa: Fix FFA device names for logical partitions Each physical partition can provide multiple services each with UUID. Each such service can be presented as logical partition wi…
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Medium 5.5
firmware: stratix10-svc: Fix a potential resource leak in svc_create_memory_pool()
In the Linux kernel, the following vulnerability has been resolved: firmware: stratix10-svc: Fix a potential resource leak in svc_create_memory_pool() svc_create_memory_pool() is only called from stratix10_svc_drv_probe(). Most of resources in the probe are m…
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Medium 5.5
firmware: dmi-sysfs: Fix null-ptr-deref in dmi_sysfs_register_handle
In the Linux kernel, the following vulnerability has been resolved: firmware: dmi-sysfs: Fix null-ptr-deref in dmi_sysfs_register_handle KASAN reported a null-ptr-deref error: KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: …
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Medium 5.5
wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler()
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: pcie: fix NULL pointer dereference in iwl_pcie_irq_rx_msix_handler() rxq can be NULL only when trans_pcie->rxq is NULL and entry->entry is zero. For the case when entry->entry …
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Medium 5.5
clk: imx: clk-imx8mn: fix memory leak in imx8mn_clocks_probe
In the Linux kernel, the following vulnerability has been resolved: clk: imx: clk-imx8mn: fix memory leak in imx8mn_clocks_probe Use devm_of_iomap() instead of of_iomap() to automatically handle the unused ioremap region. If any error occurs, regions allocate…
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Medium 5.5
drm/amdgpu: install stub fence into potential unused fence pointers
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: install stub fence into potential unused fence pointers When using cpu to update page tables, vm update fences are unused. Install stub fence into these fence pointers instead of …
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Medium 5.5
btrfs: set_page_extent_mapped after read_folio in btrfs_cont_expand
In the Linux kernel, the following vulnerability has been resolved: btrfs: set_page_extent_mapped after read_folio in btrfs_cont_expand While trying to get the subpage blocksize tests running, I hit the following panic on generic/476 assertion failed: PagePri…
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Medium 5.5
scsi: storvsc: Fix handling of virtual Fibre Channel timeouts
In the Linux kernel, the following vulnerability has been resolved: scsi: storvsc: Fix handling of virtual Fibre Channel timeouts Hyper-V provides the ability to connect Fibre Channel LUNs to the host system and present them in a guest VM as a SCSI device. I/…
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Medium 5.5
media: pci: tw68: Fix null-ptr-deref bug in buf prepare and finish
In the Linux kernel, the following vulnerability has been resolved: media: pci: tw68: Fix null-ptr-deref bug in buf prepare and finish When the driver calls tw68_risc_buffer() to prepare the buffer, the function call dma_alloc_coherent may fail, resulting in …
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Medium 5.5
btrfs: add handling for RAID1C23/DUP to btrfs_reduce_alloc_profile
In the Linux kernel, the following vulnerability has been resolved: btrfs: add handling for RAID1C23/DUP to btrfs_reduce_alloc_profile Callers of `btrfs_reduce_alloc_profile` expect it to return exactly one allocation profile flag, and failing to do so may ul…
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Medium 5.5
nfsd: call op_release, even when op_func returns an error
In the Linux kernel, the following vulnerability has been resolved: nfsd: call op_release, even when op_func returns an error For ops with "trivial" replies, nfsd4_encode_operation will shortcut most of the encoding work and skip to just marshalling up the st…