CVE-2023-54289

In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Fix NULL dereference in error handling Smatch reported: drivers/scsi/qedf/qedfmain.c:3056 qedfallocglobalqueues warn: missing unwind goto? At this point in the function, nothing has been allocated so we can return...

CVE-2023-54289 scsi: qedf: Fix NULL dereference in error handling

In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Fix NULL dereference in error handling Smatch reported: drivers/scsi/qedf/qedfmain.c:3056 qedfallocglobalqueues warn: missing unwind goto? At this point in the function, nothing has been allocated so we can return...

CVE-2023-54289

CVE-2023-54289: Linux kernel SCSI qedf NULL-dereference in error path. The issue occurs when qedf_alloc_global_queues() handles an error before any allocation; qedf_free_global_queues() would dereference a NULL gl, causing a crash. The fixed behavior returns early when nothing has been allocated ...

CVE-2022-50877 net: broadcom: bcm4908_enet: update TX stats after actual transmission

In the Linux kernel, the following vulnerability has been resolved: net: broadcom: bcm4908enet: update TX stats after actual transmission Queueing packets doesn't guarantee their transmission. Update TX stats after hardware confirms consuming submitted data. This also fixes a possible race and NU...

CVE-2022-50877

CVE-2022-50877 concerns the Linux kernel, specifically the Broadcom bcm4908_enet driver. The issue stems from queuing packets without guarantees of transmission, leading to a race and NULL dereference where bcm4908_enet_start_xmit() could access an skb after it has been freed in bcm4908_enet_poll...

CVE-2022-50877 net: broadcom: bcm4908_enet: update TX stats after actual transmission

In the Linux kernel, the following vulnerability has been resolved: net: broadcom: bcm4908enet: update TX stats after actual transmission Queueing packets doesn't guarantee their transmission. Update TX stats after hardware confirms consuming submitted data. This also fixes a possible race and NU...

CVE-2022-50875 of: overlay: fix null pointer dereferencing in find_dup_cset_node_entry() and find_dup_cset_prop()

In the Linux kernel, the following vulnerability has been resolved: of: overlay: fix null pointer dereferencing in finddupcsetnodeentry and finddupcsetprop When kmalloc fail to allocate memory in kasprintf, fn1 or fn2 will be NULL, and strcmp will cause null pointer dereference...

CVE-2023-54276

Summary of CVE-2023-54276 (Linux kernel, nfsd): A regression caused a NULL pointer dereference when userland accessed /proc/fs/nfsd/reply_cache_stats before nfsd started. The bug arose after moving per-net+per-cpu reply-cache counters into nfsd startup, which did not account for the stats counter...

CVE-2023-54271

CVE-2023-54271 concerns a NULL pointer dereference in the Linux kernel related to block cgroup handling. The issue arises when blkcg_activate_policy installs blkg_policy_data before ioc_weight policy data is fully initialized, causing a race with ioc_weight_write() that can encounter an uninitial...

CVE-2023-54271 blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix NULL deref caused by blkgpolicydata being installed before init blk-iocost sometimes causes the following crash: BUG: kernel NULL pointer dereference, address: 00000000000000e0 ... RIP: 0010:rawspinlock+0x17/0x30...

CVE-2023-54271 blk-cgroup: Fix NULL deref caused by blkg_policy_data being installed before init

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix NULL deref caused by blkgpolicydata being installed before init blk-iocost sometimes causes the following crash: BUG: kernel NULL pointer dereference, address: 00000000000000e0 ... RIP: 0010:rawspinlock+0x17/0x30...

CVE-2023-54271

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix NULL deref caused by blkgpolicydata being installed before init blk-iocost sometimes causes the following crash: BUG: kernel NULL pointer dereference, address: 00000000000000e0 ... RIP: 0010:rawspinlock+0x17/0x30...

CVE-2023-54261 drm/amdkfd: Add missing gfx11 MQD manager callbacks

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Add missing gfx11 MQD manager callbacks mqdstride function was introduced in commit 2f77b9a242a2 "drm/amdkfd: Update MQD management on multi XCC setup" but not assigned for gfx11. Fixes a NULL dereference in debugfs...

CVE-2023-54261 drm/amdkfd: Add missing gfx11 MQD manager callbacks

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Add missing gfx11 MQD manager callbacks mqdstride function was introduced in commit 2f77b9a242a2 "drm/amdkfd: Update MQD management on multi XCC setup" but not assigned for gfx11. Fixes a NULL dereference in debugfs...

CVE-2023-54233

The CVE-2023-54233 issue affects the Linux kernel ASoC/SOF path, where IPC4 topologies containing an unsupported widget could leave the .module_info field unset, leading to a NULL dereference in sof_ipc4_route_setup() and a kernel Oops. A fix adds a guard to handle such cases. Connected sources c...

CVE-2023-54233 ASoC: SOF: avoid a NULL dereference with unsupported widgets

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: avoid a NULL dereference with unsupported widgets If an IPC4 topology contains an unsupported widget, its .moduleinfo field won't be set, then sofipc4routesetup will cause a kernel Oops trying to dereference it. Add a...

CVE-2023-54233

In the Linux kernel, the following vulnerability has been resolved: ASoC: SOF: avoid a NULL dereference with unsupported widgets If an IPC4 topology contains an unsupported widget, its .moduleinfo field won't be set, then sofipc4routesetup will cause a kernel Oops trying to dereference it. Add a...

CVE-2022-50846 mmc: via-sdmmc: fix return value check of mmc_add_host()

In the Linux kernel, the following vulnerability has been resolved: mmc: via-sdmmc: fix return value check of mmcaddhost mmcaddhost may return error, if we ignore its return value, it will lead two issues: 1. The memory that allocated in mmcallochost is leaked. 2. In the remove path, mmcremovehos...

CVE-2022-50842 drm/virtio: Check whether transferred 2D BO is shmem

In the Linux kernel, the following vulnerability has been resolved: drm/virtio: Check whether transferred 2D BO is shmem Transferred 2D BO always must be a shmem BO. Add check for that to prevent NULL dereference if userspace passes a VRAM BO...

CVE-2022-50842

CVE-2022-50842 affects the Linux kernel DRM virtio path. The issue arises when transferring 2D buffer objects (BOs); a non-shmem BO (e.g., VRAM) could bypass a necessary check, potentially leading to a NULL dereference. The publicly documented fix is to validate that a transferred 2D BO is always...