CVE-2023-52910 iommu/iova: Fix alloc iova overflows issue

In the Linux kernel, the following vulnerability has been resolved: iommu/iova: Fix alloc iova overflows issue In allocandinsertiovarange, there is an issue that retrypfn overflows. The value of iovad-anchor.pfnhi is 0UL, then when iovad-cachednode is iovad-anchor, curriova-pfnhi + 1 will overflo...

CVE-2023-52909 nfsd: fix handling of cached open files in nfsd4_open codepath

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix handling of cached open files in nfsd4open codepath Commit fb70bf124b05 "NFSD: Instantiate a struct file when creating a regular NFSv4 file" added the ability to cache an open fd over a compound. There are a couple of...

CVE-2023-52909

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix handling of cached open files in nfsd4open codepath Commit fb70bf124b05 "NFSD: Instantiate a struct file when creating a regular NFSv4 file" added the ability to cache an open fd over a compound. There are a couple of...

CVE-2023-52908 drm/amdgpu: Fix potential NULL dereference

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix potential NULL dereference Fix potential NULL dereference, in the case when "man", the resource manager might be NULL, when/if we print debug information...

CVE-2023-52908 drm/amdgpu: Fix potential NULL dereference

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix potential NULL dereference Fix potential NULL dereference, in the case when "man", the resource manager might be NULL, when/if we print debug information...

CVE-2023-52908

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix potential NULL dereference Fix potential NULL dereference, in the case when "man", the resource manager might be NULL, when/if we print debug information...

CVE-2023-52904 ALSA: usb-audio: Fix possible NULL pointer dereference in snd_usb_pcm_has_fixed_rate()

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Fix possible NULL pointer dereference in sndusbpcmhasfixedrate The subs function argument may be NULL, so do not use it before the NULL check...

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-2023-52903 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-2023-52901

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, 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-2022-48894

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-2022-48893 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...