UBUNTU-CVE-2023-53693

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: Fix the memory leak in rawgadget driver Currently, increasing rawdev-count happens before invoke the rawqueueevent, if the rawqueueevent return error, invoke rawrelease will not trigger the devfree to be called...

UBUNTU-CVE-2023-53724

In the Linux kernel, the following vulnerability has been resolved: mfd: pcf50633-adc: Fix potential memleak in pcf50633adcasyncread req is allocated in pcf50633adcasyncread, but adcenqueuerequest could fail to insert the req into queue. We need to check the return value and free it in the case o...

UBUNTU-CVE-2023-53732

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix NULL dereference in niwriteinode Syzbot reports a NULL dereference in niwriteinode. When creating a new inode, if allocation fails in miinit function called in miformatnew function, mi-mrec is set to NULL. In the...

CVE-2023-53732 fs/ntfs3: Fix NULL dereference in ni_write_inode

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix NULL dereference in niwriteinode Syzbot reports a NULL dereference in niwriteinode. When creating a new inode, if allocation fails in miinit function called in miformatnew function, mi-mrec is set to NULL. In the...

CVE-2023-53732

CVE-2023-53732 affects the Linux kernel component fs/ntfs3 where a NULL dereference can occur in ni_write_inode when inode creation fails and mi->mrec is NULL. The root cause is allocation failure in mi_init (called from mi_format_new), after which a NULL mrec is later dereferenced in ni_write...

CVE-2023-53732 fs/ntfs3: Fix NULL dereference in ni_write_inode

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix NULL dereference in niwriteinode Syzbot reports a NULL dereference in niwriteinode. When creating a new inode, if allocation fails in miinit function called in miformatnew function, mi-mrec is set to NULL. In the...

CVE-2023-53724 mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()

In the Linux kernel, the following vulnerability has been resolved: mfd: pcf50633-adc: Fix potential memleak in pcf50633adcasyncread req is allocated in pcf50633adcasyncread, but adcenqueuerequest could fail to insert the req into queue. We need to check the return value and free it in the case o...

CVE-2023-53724

The CVE-2023-53724 issue affects the Linux kernel mfd: pcf50633-adc driver. The root cause was a potential memleak where req, allocated in pcf50633_adc_async_read(), could not be freed if adc_enqueue_request() failed to enqueue it. The fix ensures the return value is checked and the allocated req...

CVE-2023-53724 mfd: pcf50633-adc: Fix potential memleak in pcf50633_adc_async_read()

In the Linux kernel, the following vulnerability has been resolved: mfd: pcf50633-adc: Fix potential memleak in pcf50633adcasyncread req is allocated in pcf50633adcasyncread, but adcenqueuerequest could fail to insert the req into queue. We need to check the return value and free it in the case o...

CVE-2023-53721

The CVE-2023-53721 entry concerns the Linux kernel wifi driver ath12k. The vulnerability is a NULL pointer dereference in ath12k_mac_op_hw_scan(), where kzalloc()’s return value could be used in memcpy() if allocation fails. The root cause is using the allocated pointer without verifying NULL bef...

CVE-2023-53721 wifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()

In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: Fix a NULL pointer dereference in ath12kmacophwscan In ath12kmacophwscan, the return value of kzalloc is directly used in memcpy, which may lead to a NULL pointer dereference on failure of kzalloc. Fix this bug by...

CVE-2023-53719 serial: arc_uart: fix of_iomap leak in `arc_serial_probe`

In the Linux kernel, the following vulnerability has been resolved: serial: arcuart: fix ofiomap leak in arcserialprobe Smatch reports: drivers/tty/serial/arcuart.c:631 arcserialprobe warn: 'port-membase' from ofiomap not released on lines: 631. In arcserialprobe, if uartaddoneport fails,...

CVE-2023-53700 media: max9286: Fix memleak in max9286_v4l2_register()

In the Linux kernel, the following vulnerability has been resolved: media: max9286: Fix memleak in max9286v4l2register There is a kmemleak when testing the media/i2c/max9286.c with bpf mock device: kmemleak: 5 new suspected memory leaks see /sys/kernel/debug/kmemleak unreferenced object...

CVE-2023-53700

CVE-2023-53700: Linux kernel fix for memleak in media/max9286_v4l2_register(). The root cause is failure to free the v4l2_ctrl created by v4l2_ctrl_new_std() when fwnode_graph_get_endpoint_by_id() fails, causing a memory leak observed via kmemleak. The recommended remediation is to call v4l2_ctrl...

CVE-2023-53698 xsk: fix refcount underflow in error path

In the Linux kernel, the following vulnerability has been resolved: xsk: fix refcount underflow in error path Fix a refcount underflow problem reported by syzbot that can happen when a system is running out of memory. If xpalloctxdescs fails, and it can only fail due to not having enough memory,...

CVE-2023-53698 xsk: fix refcount underflow in error path

In the Linux kernel, the following vulnerability has been resolved: xsk: fix refcount underflow in error path Fix a refcount underflow problem reported by syzbot that can happen when a system is running out of memory. If xpalloctxdescs fails, and it can only fail due to not having enough memory,...

CVE-2023-53698

In the Linux kernel, the xsk refcount underflow vulnerability was fixed in the error path when xp_alloc_tx_descs() fails due to memory exhaustion. The bug occurred because the pool’s refcount was decremented after being incremented, but xs->pool in the socket was not nulled. As a result, on so...

CVE-2023-53693

CVE-2023-53693 : Linux kernel USB gadget raw_gadget driver memory leak fixed. Root cause: raw_dev->count was incremented before raw_queue_event(); if raw_queue_event() failed, dev_free() was not triggered. The related commit ensures kref_get() is invoked only when raw_queue_event() succeeds, a...

CVE-2023-53693 USB: gadget: Fix the memory leak in raw_gadget driver

In the Linux kernel, the following vulnerability has been resolved: USB: gadget: Fix the memory leak in rawgadget driver Currently, increasing rawdev-count happens before invoke the rawqueueevent, if the rawqueueevent return error, invoke rawrelease will not trigger the devfree to be called...

CVE-2022-50575 xen/privcmd: Fix a possible warning in privcmd_ioctl_mmap_resource()

In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: Fix a possible warning in privcmdioctlmmapresource As 'kdata.num' is user-controlled data, if user tries to allocate memory larger than= MAXORDER, then kcalloc will fail, it creates a stack trace and messes up dmesg...