{
  "cveId": "CVE-2024-47688",
  "url": "https://patchblox.com/security/cve/CVE-2024-47688",
  "summary": "CVE-2024-47688 is fixed in 26 products on 1 platform, first by DEBIAN-CVE-2024-47688, released October 21, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  driver core: Fix a potential null-ptr-deref in m...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  driver core: Fix a potential null-ptr-deref in module_add_driver()  Inject fault while probing of-fpga-region, if kasprintf() fails in module_add_driver(), the second sysfs_remove_link() in exit path will cause null-ptr-deref as below because kernfs_name_hash() will call strlen() with NULL driver_name.  Fix it by releasing resources based on the exit path sequence.  \t KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] \t Mem abort info: \t   ESR = 0x0000000096000005 \t   EC = 0x25: DABT (current EL), IL = 32 bits \t   SET = 0, FnV = 0 \t   EA = 0, S1PTW = 0 \t   FSC = 0x05: level 1 translation fault \t Data abort info: \t   ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 \t   CM = 0, WnR = 0, TnD = 0, TagAccess = 0 \t   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 \t [dfffffc000000000] address between user and kernel address ranges \t Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP \t Dumping ftrace buffer: \t    (ftrace buffer empty) \t Modules linked in: of_fpga_region(\u002B) fpga_region fpga_bridge cfg80211 rfkill 8021q garp mrp stp llc ipv6 [last unloaded: of_fpga_region] \t CPU: 2 UID: 0 PID: 2036 Comm: modprobe Not tainted 6.11.0-rc2-g6a0e38264012 #295 \t Hardware name: linux,dummy-virt (DT) \t pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) \t pc : strlen\u002B0x24/0xb0 \t lr : kernfs_name_hash\u002B0x1c/0xc4 \t sp : ffffffc081f97380 \t x29: ffffffc081f97380 x28: ffffffc081f97b90 x27: ffffff80c821c2a0 \t x26: ffffffedac0be418 x25: 0000000000000000 x24: ffffff80c09d2000 \t x23: 0000000000000000 x22: 0000000000000000 x21: 0000000000000000 \t x20: 0000000000000000 x19: 0000000000000000 x18: 0000000000001840 \t x17: 0000000000000000 x16: 0000000000000000 x15: 1ffffff8103f2e42 \t x14: 00000000f1f1f1f1 x13: 0000000000000004 x12: ffffffb01812d61d \t x11: 1ffffff01812d61c x10: ffffffb01812d61c x9 : dfffffc000000000 \t x8 : 0000004fe7ed29e4 x7 : ffffff80c096b0e7 x6 : 0000000000000001 \t x5 : ffffff80c096b0e0 x4 : 1ffffffdb990efa2 x3 : 0000000000000000 \t x2 : 0000000000000000 x1 : dfffffc000000000 x0 : 0000000000000000 \t Call trace: \t  strlen\u002B0x24/0xb0 \t  kernfs_name_hash\u002B0x1c/0xc4 \t  kernfs_find_ns\u002B0x118/0x2e8 \t  kernfs_remove_by_name_ns\u002B0x80/0x100 \t  sysfs_remove_link\u002B0x74/0xa8 \t  module_add_driver\u002B0x278/0x394 \t  bus_add_driver\u002B0x1f0/0x43c \t  driver_register\u002B0xf4/0x3c0 \t  __platform_driver_register\u002B0x60/0x88 \t  of_fpga_region_init\u002B0x20/0x1000 [of_fpga_region] \t  do_one_initcall\u002B0x110/0x788 \t  do_init_module\u002B0x1dc/0x5c8 \t  load_module\u002B0x3c38/0x4cac \t  init_module_from_file\u002B0xd4/0x128 \t  idempotent_init_module\u002B0x2cc/0x528 \t  __arm64_sys_finit_module\u002B0xac/0x100 \t  invoke_syscall\u002B0x6c/0x258 \t  el0_svc_common.constprop.0\u002B0x160/0x22c \t  do_el0_svc\u002B0x44/0x5c \t  el0_svc\u002B0x48/0xb8 \t  el0t_64_sync_handler\u002B0x13c/0x158 \t  el0t_64_sync\u002B0x190/0x194 \t Code: f2fbffe1 a90157f4 12000802 aa0003f5 (38e16861) \t ---[ end trace 0000000000000000 ]--- \t Kernel panic - not syncing: Oops: Fatal exception",
  "published": "2024-10-21T12:15:05Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00235,
  "epssPercentile": 0.14491,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
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  "dataAsOf": "2026-11-09T13:31:49Z",
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