CVE-2023-52903 io_uring: lock overflowing for IOPOLL

In the Linux kernel, the following vulnerability has been resolved: iouring: lock overflowing for IOPOLL syzbot reports an issue with overflow filling for IOPOLL: WARNING: CPU: 0 PID: 28 at iouring/iouring.c:734 iocqringeventoverflow+0x1c0/0x230 iouring/iouring.c:734 CPU: 0 PID: 28 Comm:...

CVE-2023-52903

In the Linux kernel, the following vulnerability has been resolved: iouring: lock overflowing for IOPOLL syzbot reports an issue with overflow filling for IOPOLL: WARNING: CPU: 0 PID: 28 at iouring/iouring.c:734 iocqringeventoverflow+0x1c0/0x230 iouring/iouring.c:734 CPU: 0 PID: 28 Comm:...

CVE-2023-52901

In the Linux kernel, the following vulnerability has been resolved: usb: xhci: Check endpoint is valid before dereferencing it When the host controller is not responding, all URBs queued to all endpoints need to be killed. This can cause a kernel panic if we dereference an invalid endpoint. Fix...

CVE-2023-52900 nilfs2: fix general protection fault in nilfs_btree_insert()

In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix general protection fault in nilfsbtreeinsert If nilfs2 reads a corrupted disk image and tries to reads a b-tree node block by calling nilfsbtreegetblock against an invalid virtual block address, it returns -ENOENT...

CVE-2023-52897

In the Linux kernel, the following vulnerability has been resolved: btrfs: qgroup: do not warn on record without oldroots populated BUG There are some reports from the mailing list that since v6.1 kernel, the WARNON inside btrfsqgroupaccountextent gets triggered during rescan: WARNING: CPU: 3 PID...

CVE-2023-52893 gsmi: fix null-deref in gsmi_get_variable

In the Linux kernel, the following vulnerability has been resolved: gsmi: fix null-deref in gsmigetvariable We can get EFI variables without fetching the attribute, so we must allow for that in gsmi. commit 859748255b43 "efi: pstore: Omit efivars caching EFI varstore access layer" added a new...

CVE-2022-48897

CVE-2022-48897 affects the Linux kernel arm64 memory management, specifically a bug where pmd_leaf could be considered valid even when the PMD is invalid due to pmd_present_invalid. This caused file_map_count to be decremented and then incremented in multiple code paths, ultimately triggering a B...

CVE-2022-48896 ixgbe: fix pci device refcount leak

In the Linux kernel, the following vulnerability has been resolved: ixgbe: fix pci device refcount leak As the comment of pcigetdomainbusandslot says, it returns a PCI device with refcount incremented, when finish using it, the caller must decrement the reference count by calling pcidevput. In...

CVE-2022-48895 iommu/arm-smmu: Don't unregister on shutdown

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: Don't unregister on shutdown Michael Walle says he noticed the following stack trace while performing a shutdown with "reboot -f". He suggests he got "lucky" and just hit the correct spot for the reboot while ther...

CVE-2022-48894

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: Don't unregister on shutdown Similar to SMMUv2, this driver calls iommudeviceunregister from the shutdown path, which removes the IOMMU groups with no coordination whatsoever with their users - shutdown methods...

CVE-2022-48894 iommu/arm-smmu-v3: Don't unregister on shutdown

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: Don't unregister on shutdown Similar to SMMUv2, this driver calls iommudeviceunregister from the shutdown path, which removes the IOMMU groups with no coordination whatsoever with their users - shutdown methods...

CVE-2022-48894

In the Linux kernel, CVE-2022-48894 affects the iommu/arm-smmu-v3 path. The issue arises from unregistering IOMMU groups during shutdown via iommu_device_unregister(), which can cause NULL pointer dereferences in DMA API calls due to uncoordinated shutdown of devices. The documented fix changes s...

CVE-2022-48893 drm/i915/gt: Cleanup partial engine discovery failures

In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: Cleanup partial engine discovery failures If we abort driver initialisation in the middle of gt/engine discovery, some engines will be fully setup and some not. Those incompletely setup engines only have...

CVE-2022-48891

In the Linux kernel, the following vulnerability has been resolved: regulator: da9211: Use irq handler when ready If the system does not come from reset like when it is kexec, the regulator might have an IRQ waiting for us. If we enable the IRQ handler before its structures are ready, we crash...

CVE-2022-48891 regulator: da9211: Use irq handler when ready

In the Linux kernel, the following vulnerability has been resolved: regulator: da9211: Use irq handler when ready If the system does not come from reset like when it is kexec, the regulator might have an IRQ waiting for us. If we enable the IRQ handler before its structures are ready, we crash...

CVE-2022-48891 regulator: da9211: Use irq handler when ready

In the Linux kernel, the following vulnerability has been resolved: regulator: da9211: Use irq handler when ready If the system does not come from reset like when it is kexec, the regulator might have an IRQ waiting for us. If we enable the IRQ handler before its structures are ready, we crash...

CVE-2022-48888 drm/msm/dpu: Fix memory leak in msm_mdss_parse_data_bus_icc_path

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Fix memory leak in msmmdssparsedatabusiccpath oficcget alloc resources for path1, we should release it when not need anymore. Early return when ISERRORNULLpath0 may leak path1. Defer getting path1 to fix this...

CVE-2022-48887

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Remove rcu locks from user resources User resource lookups used rcu to avoid two extra atomics. Unfortunately the rcu paths were buggy and it was easy to make the driver crash by submitting command buffers from two...

CVE-2022-48884

CVE-2022-48884 affects the Linux kernel in the mlx5 driver stack. The root cause is a NULL pointer dereference that can occur when command stats are freed and reallocated during a mlx5 devlink reload, causing a crash if a command is issued while reinitialization is incomplete. The concrete fix im...

CVE-2022-48880 platform/surface: aggregator: Add missing call to ssam_request_sync_free()

In the Linux kernel, the following vulnerability has been resolved: platform/surface: aggregator: Add missing call to ssamrequestsyncfree Although rare, ssamrequestsyncinit can fail. In that case, the request should be freed via ssamrequestsyncfree. Currently it is leaked instead. Fix this...