ASoC: meson: axg-card: fix 'use-after-free'

{
  "id": "dfa6329e187533a5cee7e21e29f2e6693424a5c95b0d71787396bc8485c41391",
  "url": "https://osv.dev/vulnerability/CVE-2024-46849",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ASoC: meson: axg-card: fix 'use-after-free'",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ASoC: meson: axg-card: fix 'use-after-free' Buffer 'card->dai_link' is reallocated in 'meson_card_reallocate_links()', so move 'pad' pointer initialization after this function when memory is already reallocated. Kasan bug report: ================================================================== BUG: KASAN: slab-use-after-free in axg_card_add_link+0x76c/0x9bc Read of size 8 at addr ffff000000e8b260 by task modprobe/356 CPU: 0 PID: 356 Comm: modprobe Tainted: G O 6.9.12-sdkernel #1 Call trace: dump_backtrace+0x94/0xec show_stack+0x18/0x24 dump_stack_lvl+0x78/0x90 print_report+0xfc/0x5c0 kasan_report+0xb8/0xfc __asan_load8+0x9c/0xb8 axg_card_add_link+0x76c/0x9bc [snd_soc_meson_axg_sound_card] meson_card_probe+0x344/0x3b8 [snd_soc_meson_card_utils] platform_probe+0x8c/0xf4 really_probe+0x110/0x39c __driver_probe_device+0xb8/0x18c driver_probe_device+0x108/0x1d8 __driver_attach+0xd0/0x25c bus_for_each_dev+0xe0/0x154 driver_attach+0x34/0x44 bus_add_driver+0x134/0x294 driver_register+0xa8/0x1e8 __platform_driver_register+0x44/0x54 axg_card_pdrv_init+0x20/0x1000 [snd_soc_meson_axg_sound_card] do_one_initcall+0xdc/0x25c do_init_module+0x10c/0x334 load_module+0x24c4/0x26cc init_module_from_file+0xd4/0x128 __arm64_sys_finit_module+0x1f4/0x41c invoke_syscall+0x60/0x188 el0_svc_common.constprop.0+0x78/0x13c do_el0_svc+0x30/0x40 el0_svc+0x38/0x78 el0t_64_sync_handler+0x100/0x12c el0t_64_sync+0x190/0x194",
    "evidence": "osv:CVE-2024-46849",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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          },
          {
            "value": "6.10.11",
            "evidence": "/affected/1/ranges"
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        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-46849",
      "aliases": [
        "CVE-2024-46849"
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      ],
      "modified": "2026-10-28T02:30:34.254075826Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/4f9a71435953f941969a4f017e2357db62d85a86",
        "https://git.kernel.org/stable/c/5a2cc2bb81399e9ebc72560541137eb04d61dc3d",
        "https://git.kernel.org/stable/c/7d318166bf55e9029d56997c3b134f4ac2ae2607",
        "https://git.kernel.org/stable/c/a33145f494e6cb82f3e018662cc7c4febf271f22",
        "https://git.kernel.org/stable/c/e1a199ec31617242e1a0ea8f312341e682d0c037",
        "https://git.kernel.org/stable/c/e43364f578cdc2f8083abbc0cb743ea55e827c29",
        "https://git.kernel.org/stable/c/fb0530025d502cb79d2b2801b14a9d5261833f1a",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/46xxx/CVE-2024-46849.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-46849",
        "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/2024/46xxx/CVE-2024-46849.json"
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        "value": "CVE-2024-46849",
        "evidence": "/id"
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    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 501242,
  "published_at": "2024-09-27T12:42:43.316+00:00"
}