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Medium 5.5
xfrm: validate new SA's prefixlen using SA family when sel.family is unset
In the Linux kernel, the following vulnerability has been resolved: xfrm: validate new SA's prefixlen using SA family when sel.family is unset This expands the validation introduced in commit 07bf7908950a ("xfrm: Validate address prefix lengths in the xfrm se…
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Medium 4.7
nvme-pci: fix race condition between reset and nvme_dev_disable()
In the Linux kernel, the following vulnerability has been resolved: nvme-pci: fix race condition between reset and nvme_dev_disable() nvme_dev_disable() modifies the dev->online_queues field, therefore nvme_pci_update_nr_queues() should avoid racing against i…
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Medium 5.5
nilfs2: fix kernel bug due to missing clearing of buffer delay flag
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix kernel bug due to missing clearing of buffer delay flag Syzbot reported that after nilfs2 reads a corrupted file system image and degrades to read-only, the BUG_ON check for the b…
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Medium 5.5
xfrm: fix one more kernel-infoleak in algo dumping
In the Linux kernel, the following vulnerability has been resolved: xfrm: fix one more kernel-infoleak in algo dumping During fuzz testing, the following issue was discovered: BUG: KMSAN: kernel-infoleak in _copy_to_iter+0x598/0x2a30 _copy_to_iter+0x598/0x2a3…
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Medium 5.5
scsi: ufs: core: Set SDEV_OFFLINE when UFS is shut down
In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Set SDEV_OFFLINE when UFS is shut down There is a history of deadlock if reboot is performed at the beginning of booting. SDEV_QUIESCE was set for all LU's scsi_devices by UF…
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Medium 5.5
thermal: intel: int340x: processor: Fix warning during module unload
In the Linux kernel, the following vulnerability has been resolved: thermal: intel: int340x: processor: Fix warning during module unload The processor_thermal driver uses pcim_device_enable() to enable a PCI device, which means the device will be automaticall…
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Medium 5.5
i3c: mipi-i3c-hci: Error out instead on BUG_ON() in IBI DMA setup
In the Linux kernel, the following vulnerability has been resolved: i3c: mipi-i3c-hci: Error out instead on BUG_ON() in IBI DMA setup Definitely condition dma_get_cache_alignment * defined value > 256 during driver initialization is not reason to BUG_ON(). Tu…
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Medium 5.5
net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe()
In the Linux kernel, the following vulnerability has been resolved: net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe() During driver initialization, the pointer of card info, i.e. the variable 'ci' is required. However, the definition of 'com200…
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Medium 6.2
ipv6: sr: fix missing sk_buff release in seg6_input_core
In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix missing sk_buff release in seg6_input_core The seg6_input() function is responsible for adding the SRH into a packet, delegating the operation to the seg6_input_core(). This fun…
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Medium 5.5
ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find()
In the Linux kernel, the following vulnerability has been resolved: ext4: fix mb_cache_entry's e_refcnt leak in ext4_xattr_block_cache_find() Syzbot reports a warning as follows: ============================================ WARNING: CPU: 0 PID: 5075 at fs/mbc…
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Medium 4.4
Input: cyapa - add missing input core locking to suspend/resume functions
In the Linux kernel, the following vulnerability has been resolved: Input: cyapa - add missing input core locking to suspend/resume functions Grab input->mutex during suspend/resume functions like it is done in other input drivers. This fixes the following wa…
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Medium 5.3
usb: xhci-plat: fix crash when suspend if remote wake enable
In the Linux kernel, the following vulnerability has been resolved: usb: xhci-plat: fix crash when suspend if remote wake enable Crashed at i.mx8qm platform when suspend if enable remote wakeup Internal error: synchronous external abort: 96000210 [#1] PREEMPT…
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Medium 5.5
mm/kmemleak: avoid scanning potential huge holes
In the Linux kernel, the following vulnerability has been resolved: mm/kmemleak: avoid scanning potential huge holes When using devm_request_free_mem_region() and devm_memremap_pages() to add ZONE_DEVICE memory, if requested free mem region's end pfn were hug…
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Medium 5.3
ALSA: timer: Set lower bound of start tick time
In the Linux kernel, the following vulnerability has been resolved: ALSA: timer: Set lower bound of start tick time Currently ALSA timer doesn't have the lower limit of the start tick time, and it allows a very small size, e.g. 1 tick with 1ns resolution for …
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Medium 5.3
nilfs2: fix potential hang in nilfs_detach_log_writer()
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential hang in nilfs_detach_log_writer() Syzbot has reported a potential hang in nilfs_detach_log_writer() called during nilfs2 unmount. Analysis revealed that this is because …
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Medium 6.5
wifi: ar5523: enable proper endpoint verification
In the Linux kernel, the following vulnerability has been resolved: wifi: ar5523: enable proper endpoint verification Syzkaller reports [1] hitting a warning about an endpoint in use not having an expected type to it. Fix the issue by checking for the existen…
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Medium 4.4
scsi: qedf: Ensure the copied buf is NUL terminated
In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Ensure the copied buf is NUL terminated Currently, we allocate a count-sized kernel buffer and copy count from userspace to that buffer. Later, we use kstrtouint on this buffer bu…
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Medium 4.4
ASoC: kirkwood: Fix potential NULL dereference
In the Linux kernel, the following vulnerability has been resolved: ASoC: kirkwood: Fix potential NULL dereference In kirkwood_dma_hw_params() mv_mbus_dram_info() returns NULL if CONFIG_PLAT_ORION macro is not defined. Fix this bug by adding NULL check. Found…
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Medium 5.5
drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference
In the Linux kernel, the following vulnerability has been resolved: drm: bridge: cdns-mhdp8546: Fix possible null pointer dereference In cdns_mhdp_atomic_enable(), the return value of drm_mode_duplicate() is assigned to mhdp_state->current_mode, and there is …
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Medium 4.4
bnxt_re: avoid shift undefined behavior in bnxt_qplib_alloc_init_hwq
In the Linux kernel, the following vulnerability has been resolved: bnxt_re: avoid shift undefined behavior in bnxt_qplib_alloc_init_hwq Undefined behavior is triggered when bnxt_qplib_alloc_init_hwq is called with hwq_attr->aux_depth != 0 and hwq_attr->aux_s…
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Medium 4.4
KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr()
In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-v2: Check for non-NULL vCPU in vgic_v2_parse_attr() vgic_v2_parse_attr() is responsible for finding the vCPU that matches the user-provided CPUID, which (of course) may not b…
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Medium 4.4
firewire: ohci: mask bus reset interrupts between ISR and bottom half
In the Linux kernel, the following vulnerability has been resolved: firewire: ohci: mask bus reset interrupts between ISR and bottom half In the FireWire OHCI interrupt handler, if a bus reset interrupt has occurred, mask bus reset interrupts until bus_reset_…
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Medium 5.3
qibfs: fix dentry leak
In the Linux kernel, the following vulnerability has been resolved: qibfs: fix dentry leak simple_recursive_removal() drops the pinning references to all positives in subtree. For the cases when its argument has been kept alive by the pinning alone that's exa…
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Medium 5.5
Reapply "drm/qxl: simplify qxl_fence_wait"
In the Linux kernel, the following vulnerability has been resolved: Reapply "drm/qxl: simplify qxl_fence_wait" This reverts commit 07ed11afb68d94eadd4ffc082b97c2331307c5ea. Stephen Rostedt reports: "I went to run my tests on my VMs and the tests hung on boot …
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Medium 5.5
wifi: nl80211: don't free NULL coalescing rule
In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: don't free NULL coalescing rule If the parsing fails, we can dereference a NULL pointer here.
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Medium 6.5
blk-iocost: avoid out of bounds shift
In the Linux kernel, the following vulnerability has been resolved: blk-iocost: avoid out of bounds shift UBSAN catches undefined behavior in blk-iocost, where sometimes iocg->delay is shifted right by a number that is too large, resulting in undefined behavi…
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Medium 4.4
net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound
In the Linux kernel, the following vulnerability has been resolved: net: tulip: de4x5: fix the problem that the array 'lp->phy[8]' may be out of bound In line 5001, if all id in the array 'lp->phy[8]' is not 0, when the 'for' end, the 'k' is 8. At this time, …
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Medium 5.5
ALSA: pcm: oss: Fix negative period/buffer sizes
In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Fix negative period/buffer sizes The period size calculation in OSS layer may receive a negative value as an error, but the code there assumes only the positive values and han…
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Medium 5.5
ALSA: pcm: oss: Limit the period size to 16MB
In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: oss: Limit the period size to 16MB Set the practical limit to the period size (the fragment shift in OSS) instead of a full 31bit; a too large value could lead to the exhaust of me…
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Medium 5.5
dm rq: don't queue request to blk-mq during DM suspend
In the Linux kernel, the following vulnerability has been resolved: dm rq: don't queue request to blk-mq during DM suspend DM uses blk-mq's quiesce/unquiesce to stop/start device mapper queue. But blk-mq's unquiesce may come from outside events, such as eleva…
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Medium 5.3
net: batman-adv: fix error handling
In the Linux kernel, the following vulnerability has been resolved: net: batman-adv: fix error handling Syzbot reported ODEBUG warning in batadv_nc_mesh_free(). The problem was in wrong error handling in batadv_mesh_init(). Before this patch batadv_mesh_init(…
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Medium 4.6
comedi: ni_usb6501: fix NULL-deref in command paths
In the Linux kernel, the following vulnerability has been resolved: comedi: ni_usb6501: fix NULL-deref in command paths The driver uses endpoint-sized USB transfer buffers but had no sanity checks on the sizes. This can lead to zero-size-pointer dereferences …
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Medium 5.3
comedi: dt9812: fix DMA buffers on stack
In the Linux kernel, the following vulnerability has been resolved: comedi: dt9812: fix DMA buffers on stack USB transfer buffers are typically mapped for DMA and must not be allocated on the stack or transfers will fail. Allocate proper transfer buffers in t…
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Medium 5.5
NFC: digital: fix possible memory leak in digital_tg_listen_mdaa()
In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_tg_listen_mdaa() 'params' is allocated in digital_tg_listen_mdaa(), but not free when digital_send_cmd() failed, which will cause memory leak…
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Medium 5.5
pstore/platform: Add check for kstrdup
In the Linux kernel, the following vulnerability has been resolved: pstore/platform: Add check for kstrdup Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer dereference.
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Medium 4.1
clk: mediatek: clk-mt6765: Add check for mtk_alloc_clk_data
In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt6765: Add check for mtk_alloc_clk_data Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer dereference.
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Medium 6.2
clk: mediatek: clk-mt7629: Add check for mtk_alloc_clk_data
In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt7629: Add check for mtk_alloc_clk_data Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer dereference.
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Medium 5.5
usb: dwc2: fix possible NULL pointer dereference caused by driver concurrency
In the Linux kernel, the following vulnerability has been resolved: usb: dwc2: fix possible NULL pointer dereference caused by driver concurrency In _dwc2_hcd_urb_enqueue(), "urb->hcpriv = NULL" is executed without holding the lock "hsotg->lock". In _dwc2_hcd…
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Medium 6.2
media: vidtv: psi: Add check for kstrdup
In the Linux kernel, the following vulnerability has been resolved: media: vidtv: psi: Add check for kstrdup Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer dereference.
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Medium 6.2
fbdev: imsttfb: fix a resource leak in probe
In the Linux kernel, the following vulnerability has been resolved: fbdev: imsttfb: fix a resource leak in probe I've re-written the error handling but the bug is that if init_imstt() fails we need to call iounmap(par->cmap_regs).