ARM: 9410/1: vfp: Use asm volatile in fmrx/fmxr macros

{
  "id": "461eb0d826e46b290742e1c8094f1d54012839b52e954e5f23eba91fb731baa6",
  "url": "https://osv.dev/vulnerability/CVE-2024-47716",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ARM: 9410/1: vfp: Use asm volatile in fmrx/fmxr macros",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ARM: 9410/1: vfp: Use asm volatile in fmrx/fmxr macros Floating point instructions in userspace can crash some arm kernels built with clang/LLD 17.0.6: BUG: unsupported FP instruction in kernel mode FPEXC == 0xc0000780 Internal error: Oops - undefined instruction: 0 [#1] ARM CPU: 0 PID: 196 Comm: vfp-reproducer Not tainted 6.10.0 #1 Hardware name: BCM2835 PC is at vfp_support_entry+0xc8/0x2cc LR is at do_undefinstr+0xa8/0x250 pc : [] lr : [] psr: a0000013 sp : dc8d1f68 ip : 60000013 fp : bedea19c r10: ec532b17 r9 : 00000010 r8 : 0044766c r7 : c0000780 r6 : ec532b17 r5 : c1c13800 r4 : dc8d1fb0 r3 : c10072c4 r2 : c0101c88 r1 : ec532b17 r0 : 0044766c Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 00c5387d Table: 0251c008 DAC: 00000051 Register r0 information: non-paged memory Register r1 information: vmalloc memory Register r2 information: non-slab/vmalloc memory Register r3 information: non-slab/vmalloc memory Register r4 information: 2-page vmalloc region Register r5 information: slab kmalloc-cg-2k Register r6 information: vmalloc memory Register r7 information: non-slab/vmalloc memory Register r8 information: non-paged memory Register r9 information: zero-size pointer Register r10 information: vmalloc memory Register r11 information: non-paged memory Register r12 information: non-paged memory Process vfp-reproducer (pid: 196, stack limit = 0x61aaaf8b) Stack: (0xdc8d1f68 to 0xdc8d2000) 1",
    "evidence": "osv:CVE-2024-47716",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "6.6.54",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.10.13",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.11.2",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-47716",
      "aliases": [
        "CVE-2024-47716"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4708fb041346fa9cc6745dafb8c248a3e2f1075b"
                },
                {
                  "fixed": "9fc60f2bdd43e758bdf0305c0fc83221419ddb3f"
                },
                {
                  "fixed": "cd595d87e5fdd2fc09ea69359aa85e7f12f4b97b"
                },
                {
                  "fixed": "39caf610a63786b3b0ef3348ac015edc19827d6a"
                },
                {
                  "fixed": "89a906dfa8c3b21b3e5360f73c49234ac1eb885b"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-47716.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.6.0"
                },
                {
                  "fixed": "6.6.54"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.10.13"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.11.0"
                },
                {
                  "fixed": "6.11.2"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-47716.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:29.167323693Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/39caf610a63786b3b0ef3348ac015edc19827d6a",
        "https://git.kernel.org/stable/c/89a906dfa8c3b21b3e5360f73c49234ac1eb885b",
        "https://git.kernel.org/stable/c/9fc60f2bdd43e758bdf0305c0fc83221419ddb3f",
        "https://git.kernel.org/stable/c/cd595d87e5fdd2fc09ea69359aa85e7f12f4b97b",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47716.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-47716",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/47xxx/CVE-2024-47716.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-47716",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 495514,
  "published_at": "2024-10-21T11:53:47.434+00:00"
}