{
  "cveId": "CVE-2024-43900",
  "url": "https://patchblox.com/security/cve/CVE-2024-43900",
  "summary": "CVE-2024-43900 is fixed in 22 products on 1 platform, first by DEBIAN-CVE-2024-43900, released August 26, 2024. It is not reported as exploited. Patch Radar priority: High.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  media: xc2028: avoid use-after-free in load_firm...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  media: xc2028: avoid use-after-free in load_firmware_cb()  syzkaller reported use-after-free in load_firmware_cb() [1]. The reason is because the module allocated a struct tuner in tuner_probe(), and then the module initialization failed, the struct tuner was released. A worker which created during module initialization accesses this struct tuner later, it caused use-after-free.  The process is as follows:  task-6504           worker_thread tuner_probe                             \u003C= alloc dvb_frontend [2] ... request_firmware_nowait                 \u003C= create a worker ... tuner_remove                            \u003C= free dvb_frontend ...                     request_firmware_work_func  \u003C= the firmware is ready                     load_firmware_cb    \u003C= but now the dvb_frontend has been freed  To fix the issue, check the dvd_frontend in load_firmware_cb(), if it is null, report a warning and just return.  [1]:     ==================================================================      BUG: KASAN: use-after-free in load_firmware_cb\u002B0x1310/0x17a0      Read of size 8 at addr ffff8000d7ca2308 by task kworker/2:3/6504       Call trace:       load_firmware_cb\u002B0x1310/0x17a0       request_firmware_work_func\u002B0x128/0x220       process_one_work\u002B0x770/0x1824       worker_thread\u002B0x488/0xea0       kthread\u002B0x300/0x430       ret_from_fork\u002B0x10/0x20       Allocated by task 6504:       kzalloc       tuner_probe\u002B0xb0/0x1430       i2c_device_probe\u002B0x92c/0xaf0       really_probe\u002B0x678/0xcd0       driver_probe_device\u002B0x280/0x370       __device_attach_driver\u002B0x220/0x330       bus_for_each_drv\u002B0x134/0x1c0       __device_attach\u002B0x1f4/0x410       device_initial_probe\u002B0x20/0x30       bus_probe_device\u002B0x184/0x200       device_add\u002B0x924/0x12c0       device_register\u002B0x24/0x30       i2c_new_device\u002B0x4e0/0xc44       v4l2_i2c_new_subdev_board\u002B0xbc/0x290       v4l2_i2c_new_subdev\u002B0xc8/0x104       em28xx_v4l2_init\u002B0x1dd0/0x3770       Freed by task 6504:       kfree\u002B0x238/0x4e4       tuner_remove\u002B0x144/0x1c0       i2c_device_remove\u002B0xc8/0x290       __device_release_driver\u002B0x314/0x5fc       device_release_driver\u002B0x30/0x44       bus_remove_device\u002B0x244/0x490       device_del\u002B0x350/0x900       device_unregister\u002B0x28/0xd0       i2c_unregister_device\u002B0x174/0x1d0       v4l2_device_unregister\u002B0x224/0x380       em28xx_v4l2_init\u002B0x1d90/0x3770       The buggy address belongs to the object at ffff8000d7ca2000       which belongs to the cache kmalloc-2k of size 2048      The buggy address is located 776 bytes inside of       2048-byte region [ffff8000d7ca2000, ffff8000d7ca2800)      The buggy address belongs to the page:      page:ffff7fe00035f280 count:1 mapcount:0 mapping:ffff8000c001f000 index:0x0      flags: 0x7ff800000000100(slab)      raw: 07ff800000000100 ffff7fe00049d880 0000000300000003 ffff8000c001f000      raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000      page dumped because: kasan: bad access detected       Memory state around the buggy address:       ffff8000d7ca2200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb       ffff8000d7ca2280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb      \u003Effff8000d7ca2300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb                            ^       ffff8000d7ca2380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb       ffff8000d7ca2400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb      ==================================================================  [2]     Actually, it is allocated for struct tuner, and dvb_frontend is inside.",
  "published": "2024-08-26T11:15:04Z",
  "severity": "high",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00214,
  "epssPercentile": 0.11834,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "dtb-aarch64",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-azure",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.8.11.1",
      "fix": "SUSE-SU-2024:3194-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3194-1",
      "released": "2024-09-10T09:06:25Z"
    },
    {
      "platform": "linux",
      "product": "kernel-azure",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.8.11.1",
      "fix": "SUSE-SU-2024:3194-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3194-1",
      "released": "2024-09-10T09:06:25Z"
    },
    {
      "platform": "linux",
      "product": "kernel-debug",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default-base",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1.150600.12.8.3",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-default-base",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1.150600.12.8.3",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-docs",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-docs",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-kvmsmall",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-livepatch-SLE15-SP6-RT_Update_2",
      "release": "sles 15.6",
      "fixedVersion": "1-150600.1.3.2",
      "fix": "SUSE-SU-2024:3195-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3195-1",
      "released": "2024-09-10T14:10:24Z"
    },
    {
      "platform": "linux",
      "product": "kernel-livepatch-SLE15-SP6_Update_4",
      "release": "sles 15.6",
      "fixedVersion": "1-150600.13.3.3",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-obs-build",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-obs-build",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-obs-qa",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-rt",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.10.8.3",
      "fix": "SUSE-SU-2024:3195-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3195-1",
      "released": "2024-09-10T14:10:24Z"
    },
    {
      "platform": "linux",
      "product": "kernel-rt_debug",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.10.8.3",
      "fix": "SUSE-SU-2024:3195-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3195-1",
      "released": "2024-09-10T14:10:24Z"
    },
    {
      "platform": "linux",
      "product": "kernel-source",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-source",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-source-azure",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.8.11.1",
      "fix": "SUSE-SU-2024:3194-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3194-1",
      "released": "2024-09-10T09:06:25Z"
    },
    {
      "platform": "linux",
      "product": "kernel-source-azure",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.8.11.1",
      "fix": "SUSE-SU-2024:3194-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3194-1",
      "released": "2024-09-10T09:06:25Z"
    },
    {
      "platform": "linux",
      "product": "kernel-source-rt",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.10.8.3",
      "fix": "SUSE-SU-2024:3195-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3195-1",
      "released": "2024-09-10T14:10:24Z"
    },
    {
      "platform": "linux",
      "product": "kernel-syms",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-syms",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-syms-azure",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.8.11.1",
      "fix": "SUSE-SU-2024:3194-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3194-1",
      "released": "2024-09-10T09:06:25Z"
    },
    {
      "platform": "linux",
      "product": "kernel-syms-azure",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.8.11.1",
      "fix": "SUSE-SU-2024:3194-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3194-1",
      "released": "2024-09-10T09:06:25Z"
    },
    {
      "platform": "linux",
      "product": "kernel-syms-rt",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.10.8.1",
      "fix": "SUSE-SU-2024:3195-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3195-1",
      "released": "2024-09-10T14:10:24Z"
    },
    {
      "platform": "linux",
      "product": "kernel-zfcpdump",
      "release": "opensuse-leap 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "kernel-zfcpdump",
      "release": "sles 15.6",
      "fixedVersion": "6.4.0-150600.23.22.1",
      "fix": "SUSE-SU-2024:3383-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2024-3383-1",
      "released": "2024-09-23T08:29:55Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.1.106-1",
      "fix": "DEBIAN-CVE-2024-43900",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-43900",
      "released": "2024-08-26T11:15:04Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.10.6-1",
      "fix": "DEBIAN-CVE-2024-43900",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-43900",
      "released": "2024-08-26T11:15:04Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.10.6-1",
      "fix": "DEBIAN-CVE-2024-43900",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2024-43900",
      "released": "2024-08-26T11:15:04Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}