UBUNTU-CVE-2023-53224

In the Linux kernel, the following vulnerability has been resolved: ext4: Fix function prototype mismatch for ext4featktype With clang's kernel control flow integrity kCFI, CONFIGCFICLANG, indirect call targets are validated against the expected function pointer prototype to make sure the call...

CVE-2022-50320

The CVE-2022-50320 issue is a Linux kernel ACPI FPDT FPDT table bug where invalid physical addresses trigger ioremap warnings and an oops. The root cause is calling acpi_os_map_memory() on an invalid phys address; a fix adds a validation step to prevent mapping invalid addresses. The description ...

CVE-2022-50319

CVE-2022-50319 affects the Linux kernel’s coresight/trbe path. The vulnerability stems from cpuhp_state_add_instance() and cpuhp_state_remove_instance() not being used in proper pairs, which can trigger a warning in cpuhp_remove_multi_state() due to a non-empty cpuhp_step list, potentially leavin...

CVE-2022-50319

In the Linux kernel, the following vulnerability has been resolved: coresight: trbe: remove cpuhp instance node before remove cpuhp state cpuhpstateaddinstance and cpuhpstateremoveinstance should be used in pairs. Or there will lead to the warn on cpuhpremovemultistate since the cpuhpstep list is...

CVE-2023-53258 drm/amd/display: Fix possible underflow for displays with large vblank

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix possible underflow for displays with large vblank Why Underflow observed when using a display with a large vblank region and low refresh rate How Simplify calculation of vblanknom Increase value for...

CVE-2023-53252 Bluetooth: use RCU for hci_conn_params and iterate safely in hci_sync

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: use RCU for hciconnparams and iterate safely in hcisync hciupdateacceptlistsync iterates over hdev-pendleconns and hdev-pendlereports, and waits for controller events in the loop body, without holding hdev lock...

CVE-2023-53250 firmware: dmi-sysfs: Fix null-ptr-deref in dmi_sysfs_register_handle

In the Linux kernel, the following vulnerability has been resolved: firmware: dmi-sysfs: Fix null-ptr-deref in dmisysfsregisterhandle KASAN reported a null-ptr-deref error: KASAN: null-ptr-deref in range 0x0000000000000008-0x000000000000000f CPU: 0 PID: 1373 Comm: modprobe Hardware name: QEMU...

CVE-2022-50303 drm/amdkfd: Fix double release compute pasid

In the Linux kernel, the following vulnerability has been resolved: drm/amdkfd: Fix double release compute pasid If kfdprocessdeviceinitvm returns failure after vm is converted to compute vm and vm-pasid set to compute pasid, KFD will not take pdd-drmfile reference. As a result, drm close file...

CVE-2022-50297

CVE-2022-50297 concerns the Linux kernel driver for ath9k USB wireless devices. The issue arises when a USB device claims to be ATH9K but does not expose the endpoints the driver expects; specifically, an interrupt endpoint is presented where a bulk endpoint is anticipated. This mismatch can caus...

CVE-2023-53238 phy: hisilicon: Fix an out of bounds check in hisi_inno_phy_probe()

In the Linux kernel, the following vulnerability has been resolved: phy: hisilicon: Fix an out of bounds check in hisiinnophyprobe The size of array 'priv-ports' is INNOPHYPORTNUM. In the for loop, 'i' is used as the index for array 'priv-ports' with a check i INNOPHYPORTNUM which indicates that...

CVE-2023-53228 drm/amdgpu: drop redundant sched job cleanup when cs is aborted

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: drop redundant sched job cleanup when cs is aborted Once command submission failed due to userptr invalidation in amdgpucssubmit, legacy code will perform cleanup of scheduler job. However, it's not needed at all, as...

CVE-2023-53221 bpf: Fix memleak due to fentry attach failure

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix memleak due to fentry attach failure If it fails to attach fentry, the allocated bpf trampoline image will be left in the system. That can be verified by checking /proc/kallsyms. This meamleak can be verified by a simple...

CVE-2023-53217 nubus: Partially revert proc_create_single_data() conversion

In the Linux kernel, the following vulnerability has been resolved: nubus: Partially revert proccreatesingledata conversion The conversion to proccreatesingledata introduced a regression whereby reading a file in /proc/bus/nubus results in a seg fault: grep -r . /proc/bus/nubus/e/ Data read fault...

CVE-2023-53214 f2fs: fix to avoid potential memory corruption in __update_iostat_latency()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential memory corruption in updateiostatlatency Add iotype sanity check to avoid potential memory corruption. This is to fix the compile error below: fs/f2fs/iostat.c:231 updateiostatlatency error: buffer...

CVE-2023-53213 wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()

In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: slab-out-of-bounds read in brcmfgetassocies Fix a slab-out-of-bounds read that occurs in kmemdup called from brcmfgetassocies. The bug could occur when associnfo-reqlen, data from a URB provided by a USB device, i...

CVE-2022-50279

CVE-2022-50279 affects the Linux kernel wifi rtlwifi driver (rtl8821ae/rtl8812ae). Root cause: _rtl8812ae_eq_n_byte() compared prate_section from tail to head, causing a global-out-of-bounds read when the value is HT, per KASAN. The fix: remove _rtl8812ae_eq_n_byte() and use strcmp() instead; thi...

CVE-2022-50276

In the Linux kernel, the following vulnerability has been resolved: power: supply: fix null pointer dereferencing in powersupplygetbatteryinfo when kmalloc fail to allocate memory in kasprintf, propname will be NULL, strcmp called by ofgetproperty will cause null pointer dereference. So return...

CVE-2022-50270

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix the assign logic of iocb commit 18ae8d12991b "f2fs: show more DIO information in tracepoint" introduces iocb field in 'f2fsdirectIOenter' trace event And it only assigns the pointer and later it accesses its field in...

CVE-2022-50270

This CVE (CVE-2022-50270) affects the Linux kernel f2fs component. The root cause was a faulty iocb assignment in the f2fs_direct_IO_enter trace event: the code only copied the pointer of iocb and then accessed its field during trace printing, which could lead to a kernel paging fault. The fixes ...

CVE-2023-53187

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free of new block group that became unused If a task creates a new block group and that block group becomes unused before we finish its creation, at btrfscreatependingblockgroups, then when btrfsmarkbgunused ...