CVE-2024-49886: In the Linux kernel, the following vulnerability has been resolved:  platform/x86: ISST: Fix the KASAN report slab-out-of-bounds bug  Attaching SST PCI device to VM causes "BUG: KASAN: slab-out-of-bounds". kasan report: [   19.411889] ================================================================== [   19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [   19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113 [   19.417368] [   19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G            E      6.9.0 #10 [   19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022 [   19.422687] Call Trace: [   19.424091]  <TASK> [   19.425448]  dump_stack_lvl+0x5d/0x80 [   19.426963]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [   19.428694]  print_report+0x19d/0x52e [   19.430206]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [   19.431837]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [   19.433539]  kasan_report+0xf0/0x170 [   19.435019]  ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [   19.436709]  _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [   19.438379]  ? __pfx_sched_clock_cpu+0x10/0x10 [   19.439910]  isst_if_cpu_online+0x406/0x58f [isst_if_common] [   19.441573]  ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common] [   19.443263]  ? ttwu_queue_wakelist+0x2c1/0x360 [   19.444797]  cpuhp_invoke_callback+0x221/0xec0 [   19.446337]  cpuhp_thread_fun+0x21b/0x610 [   19.447814]  ? __pfx_cpuhp_thread_fun+0x10/0x10 [   19.449354]  smpboot_thread_fn+0x2e7/0x6e0 [   19.450859]  ? __pfx_smpboot_thread_fn+0x10/0x10 [   19.452405]  kthread+0x29c/0x350 [   19.453817]  ? __pfx_kthread+0x10/0x10 [   19.455253]  ret_from_fork+0x31/0x70 [   19.456685]  ? __pfx_kthread+0x10/0x10 [   19.458114]  ret_from_fork_asm+0x1a/0x30 [   19.459573]  </TASK> [   19.460853] [   19.462055] Allocated by task 1198: [   19.463410]  kasan_save_stack+0x30/0x50 [   19.464788]  kasan_save_track+0x14/0x30 [   19.466139]  __kasan_kmalloc+0xaa/0xb0 [   19.467465]  __kmalloc+0x1cd/0x470 [   19.468748]  isst_if_cdev_register+0x1da/0x350 [isst_if_common] [   19.470233]  isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr] [   19.471670]  do_one_initcall+0xa4/0x380 [   19.472903]  do_init_module+0x238/0x760 [   19.474105]  load_module+0x5239/0x6f00 [   19.475285]  init_module_from_file+0xd1/0x130 [   19.476506]  idempotent_init_module+0x23b/0x650 [   19.477725]  __x64_sys_finit_module+0xbe/0x130 [   19.476506]  idempotent_init_module+0x23b/0x650 [   19.477725]  __x64_sys_finit_module+0xbe/0x130 [   19.478920]  do_syscall_64+0x82/0x160 [   19.480036]  entry_SYSCALL_64_after_hwframe+0x76/0x7e [   19.481292] [   19.482205] The buggy address belongs to the object at ffff888829e65000  which belongs to the cache kmalloc-512 of size 512 [   19.484818] The buggy address is located 0 bytes to the right of  allocated 512-byte region [ffff888829e65000, ffff888829e65200) [   19.487447] [   19.488328] The buggy address belongs to the physical page: [   19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60 [   19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [   19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff) [   19.493914] page_type: 0xffffffff() [   19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [   19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [   19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [   19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [   19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff [   19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000 [   19.503784] page dumped because: k ---truncated---