CVE-2023-52816

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> drm/amdkfd: Fix shift out-of-bounds issue<br /> <br /> [ 567.613292] shift exponent 255 is too large for 64-bit type &amp;#39;long unsigned int&amp;#39;<br /> [ 567.614498] CPU: 5 PID: 238 Comm: kworker/5:1 Tainted: G OE 6.2.0-34-generic #34~22.04.1-Ubuntu<br /> [ 567.614502] Hardware name: AMD Splinter/Splinter-RPL, BIOS WS43927N_871 09/25/2023<br /> [ 567.614504] Workqueue: events send_exception_work_handler [amdgpu]<br /> [ 567.614748] Call Trace:<br /> [ 567.614750] <br /> [ 567.614753] dump_stack_lvl+0x48/0x70<br /> [ 567.614761] dump_stack+0x10/0x20<br /> [ 567.614763] __ubsan_handle_shift_out_of_bounds+0x156/0x310<br /> [ 567.614769] ? srso_alias_return_thunk+0x5/0x7f<br /> [ 567.614773] ? update_sd_lb_stats.constprop.0+0xf2/0x3c0<br /> [ 567.614780] svm_range_split_by_granularity.cold+0x2b/0x34 [amdgpu]<br /> [ 567.615047] ? srso_alias_return_thunk+0x5/0x7f<br /> [ 567.615052] svm_migrate_to_ram+0x185/0x4d0 [amdgpu]<br /> [ 567.615286] do_swap_page+0x7b6/0xa30<br /> [ 567.615291] ? srso_alias_return_thunk+0x5/0x7f<br /> [ 567.615294] ? __free_pages+0x119/0x130<br /> [ 567.615299] handle_pte_fault+0x227/0x280<br /> [ 567.615303] __handle_mm_fault+0x3c0/0x720<br /> [ 567.615311] handle_mm_fault+0x119/0x330<br /> [ 567.615314] ? lock_mm_and_find_vma+0x44/0x250<br /> [ 567.615318] do_user_addr_fault+0x1a9/0x640<br /> [ 567.615323] exc_page_fault+0x81/0x1b0<br /> [ 567.615328] asm_exc_page_fault+0x27/0x30<br /> [ 567.615332] RIP: 0010:__get_user_8+0x1c/0x30