CVE-2023-52913

CVE-2023-52913 concerns the Linux kernel DRM/i915 context UAF race: gem_context_register() makes the context visible to userspace, and a separate thread can trigger I915_GEM_CONTEXT_DESTROY, potentially using the ctx pointer after it's been exposed. The mitigation is to ensure that the ctx pointe...

CVE-2023-52912

CVE-2023-52912 relates to the Linux kernel’s DRM amdgpu subsystem. The issue arises during unloading of amdgpu where a bug in drm_buddy_free_block can trigger a kernel BUG and invalid opcode, as shown in the stack trace and kernel log snippet. The impact is a potentially local disruption of a sys...

CVE-2023-52912 drm/amdgpu: Fixed bug on error when unloading amdgpu

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fixed bug on error when unloading amdgpu Fixed bug on error when unloading amdgpu. The error message is as follows: 377.706202 kernel BUG at drivers/gpu/drm/drmbuddy.c:278! 377.706215 invalid opcode: 0000 1 PREEMPT SM...

CVE-2023-52911

CVE-2023-52911 is a Linux kernel issue in the DRM/MSM driver related to a NULL pointer dereference when the Adreno GPU runs in headless mode (e.g., on i.MX platforms). The crash occurs during reboot in the msm_atomic_commit_tail path, with an oops/NULL dereference involving slab kmalloc and relat...

CVE-2023-52911 drm/msm: another fix for the headless Adreno GPU

In the Linux kernel, the following vulnerability has been resolved: drm/msm: another fix for the headless Adreno GPU Fix another oops reproducible when rebooting the board with the Adreno GPU working in the headless mode e.g. iMX platforms. Unable to handle kernel NULL pointer dereference at...

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 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...