CVE-2024-39465 media: mgb4: Fix double debugfs remove

In the Linux kernel, the following vulnerability has been resolved: media: mgb4: Fix double debugfs remove Fixes an error where debugfsremoverecursive is called first on a parent directory and then again on a child which causes a kernel panic. hverkuil: added Fixes/Cc tags...

CVE-2024-39301 net/9p: fix uninit-value in p9_client_rpc()

In the Linux kernel, the following vulnerability has been resolved: net/9p: fix uninit-value in p9clientrpc Syzbot with the help of KMSAN reported the following error: BUG: KMSAN: uninit-value in trace9pclientres include/trace/events/9p.h:146 inline BUG: KMSAN: uninit-value in...

CVE-2024-39298 mm/memory-failure: fix handling of dissolved but not taken off from buddy pages

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: fix handling of dissolved but not taken off from buddy pages When I did memory failure tests recently, below panic occurs: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8cee00 flags:...

CVE-2024-39296 bonding: fix oops during rmmod

In the Linux kernel, the following vulnerability has been resolved: bonding: fix oops during rmmod "rmmod bonding" causes an oops ever since commit cc317ea3d927 "bonding: remove redundant NULL check in debugfs function". Here are the relevant functions being called: bondingexit bonddestroydebugfs...

CVE-2024-39293 Revert "xsk: Support redirect to any socket bound to the same umem"

In the Linux kernel, the following vulnerability has been resolved: Revert "xsk: Support redirect to any socket bound to the same umem" This reverts commit 2863d665ea41282379f108e4da6c8a2366ba66db. This patch introduced a potential kernel crash when multiple napi instances redirect to the same...

CVE-2024-38306 btrfs: protect folio::private when attaching extent buffer folios

In the Linux kernel, the following vulnerability has been resolved: btrfs: protect folio::private when attaching extent buffer folios BUG Since v6.8 there are rare kernel crashes reported by various people, the common factor is bad page status error messages like this: BUG: Bad page state in...

CVE-2022-48772 media: lgdt3306a: Add a check against null-pointer-def

In the Linux kernel, the following vulnerability has been resolved: media: lgdt3306a: Add a check against null-pointer-def The driver should check whether the client provides the platformdata. The following log reveals it: 29.610324 BUG: KASAN: null-ptr-deref in kmemdup+0x30/0x40 29.610730 Read o...

CVE-2024-37026

In the Linux kernel, the following vulnerability has been resolved: drm/xe: Only use reserved BCS instances for usm migrate exec queue The GuC context scheduling queue is 2 entires deep, thus it is possible for a migration job to be stuck behind a fault if migration exec queue shares engines with...

CVE-2024-32936 media: ti: j721e-csi2rx: Fix races while restarting DMA

In the Linux kernel, the following vulnerability has been resolved: media: ti: j721e-csi2rx: Fix races while restarting DMA After the frame is submitted to DMA, it may happen that the submitted list is not updated soon enough, and the DMA callback is triggered before that. This can lead to kernel...

CVE-2024-39291 drm/amdgpu: Fix buffer size in gfx_v9_4_3_init_ cp_compute_microcode() and rlc_microcode()

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix buffer size in gfxv943init cpcomputemicrocode and rlcmicrocode The function gfxv943initmicrocode in gfxv943.c was generating about potential truncation of output when using the snprintf function. The issue was due...

CVE-2024-39291 drm/amdgpu: Fix buffer size in gfx_v9_4_3_init_ cp_compute_microcode() and rlc_microcode()

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix buffer size in gfxv943init cpcomputemicrocode and rlcmicrocode The function gfxv943initmicrocode in gfxv943.c was generating about potential truncation of output when using the snprintf function. The issue was due...

CVE-2024-38664

In the Linux kernel, the following vulnerability has been resolved: drm: zynqmpdpsub: Always register bridge We must always register the DRM bridge, since zynqmpdphpdworkfunc calls drmbridgehpdnotify, which in turn expects hpdmutex to be initialized. We do this before zynqmpdpsubdrminit since tha...

CVE-2024-34777

In the Linux kernel, the following vulnerability has been resolved: dma-mapping: benchmark: fix node id validation While validating node ids in mapbenchmarkioctl, nodepossible may be provided with invalid argument outside of 0,MAXNUMNODES-1 range leading to: BUG: KASAN: wild-memory-access in...

CVE-2024-38662 bpf: Allow delete from sockmap/sockhash only if update is allowed

In the Linux kernel, the following vulnerability has been resolved: bpf: Allow delete from sockmap/sockhash only if update is allowed We have seen an influx of syzkaller reports where a BPF program attached to a tracepoint triggers a locking rule violation by performing a mapdelete on a...

CVE-2024-38637

In the Linux kernel, the following vulnerability has been resolved: greybus: lights: check return of getchannelfrommode If channel for the given node is not found we return null from getchannelfrommode. Make sure we validate the return pointer before using it in two of the missing places. This wa...

CVE-2024-38629

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Avoid unnecessary destruction of fileida fileida is allocated during cdev open and is freed accordingly during cdev release. This sequence is guaranteed by driver file operations. Therefore, there is no need to...

CVE-2024-38633 serial: max3100: Update uart_driver_registered on driver removal

In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Update uartdriverregistered on driver removal The removal of the last MAX3100 device triggers the removal of the driver. However, code doesn't update the respective global variable and after insmod — rmmod — insm...

CVE-2024-36478 null_blk: fix null-ptr-dereference while configuring 'power' and 'submit_queues'

In the Linux kernel, the following vulnerability has been resolved: nullblk: fix null-ptr-dereference while configuring 'power' and 'submitqueues' Writing 'power' and 'submitqueues' concurrently will trigger kernel panic: Test script: modprobe nullblk nrdevices=0 mkdir -p...

CVE-2024-36281 net/mlx5: Use mlx5_ipsec_rx_status_destroy to correctly delete status rules

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Use mlx5ipsecrxstatusdestroy to correctly delete status rules rxcreate no longer allocates a modifyhdr instance that needs to be cleaned up. The mlx5modifyheaderdealloc call will lead to a NULL pointer dereference. A le...

CVE-2024-36244 net/sched: taprio: extend minimum interval restriction to entire cycle too

In the Linux kernel, the following vulnerability has been resolved: net/sched: taprio: extend minimum interval restriction to entire cycle too It is possible for syzbot to side-step the restriction imposed by the blamed commit in the Fixes: tag, because the taprio UAPI permits a cycle-time...