{
  "cveId": "CVE-2022-49532",
  "url": "https://patchblox.com/security/cve/CVE-2022-49532",
  "summary": "CVE-2022-49532 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-49532, released February 26, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  drm/virtio: fix NULL pointer dereference in virt...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  drm/virtio: fix NULL pointer dereference in virtio_gpu_conn_get_modes  drm_cvt_mode may return NULL and we should check it.  This bug is found by syzkaller:  FAULT_INJECTION stacktrace: [  168.567394] FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 [  168.567403] CPU: 1 PID: 6425 Comm: syz Kdump: loaded Not tainted 4.19.90-vhulk2201.1.0.h1035.kasan.eulerosv2r10.aarch64 #1 [  168.567406] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 [  168.567408] Call trace: [  168.567414]  dump_backtrace\u002B0x0/0x310 [  168.567418]  show_stack\u002B0x28/0x38 [  168.567423]  dump_stack\u002B0xec/0x15c [  168.567427]  should_fail\u002B0x3ac/0x3d0 [  168.567437]  __should_failslab\u002B0xb8/0x120 [  168.567441]  should_failslab\u002B0x28/0xc0 [  168.567445]  kmem_cache_alloc_trace\u002B0x50/0x640 [  168.567454]  drm_mode_create\u002B0x40/0x90 [  168.567458]  drm_cvt_mode\u002B0x48/0xc78 [  168.567477]  virtio_gpu_conn_get_modes\u002B0xa8/0x140 [virtio_gpu] [  168.567485]  drm_helper_probe_single_connector_modes\u002B0x3a4/0xd80 [  168.567492]  drm_mode_getconnector\u002B0x2e0/0xa70 [  168.567496]  drm_ioctl_kernel\u002B0x11c/0x1d8 [  168.567514]  drm_ioctl\u002B0x558/0x6d0 [  168.567522]  do_vfs_ioctl\u002B0x160/0xf30 [  168.567525]  ksys_ioctl\u002B0x98/0xd8 [  168.567530]  __arm64_sys_ioctl\u002B0x50/0xc8 [  168.567536]  el0_svc_common\u002B0xc8/0x320 [  168.567540]  el0_svc_handler\u002B0xf8/0x160 [  168.567544]  el0_svc\u002B0x10/0x218  KASAN stacktrace: [  168.567561] BUG: KASAN: null-ptr-deref in virtio_gpu_conn_get_modes\u002B0xb4/0x140 [virtio_gpu] [  168.567565] Read of size 4 at addr 0000000000000054 by task syz/6425 [  168.567566] [  168.567571] CPU: 1 PID: 6425 Comm: syz Kdump: loaded Not tainted 4.19.90-vhulk2201.1.0.h1035.kasan.eulerosv2r10.aarch64 #1 [  168.567573] Hardware name: QEMU KVM Virtual Machine, BIOS 0.0.0 02/06/2015 [  168.567575] Call trace: [  168.567578]  dump_backtrace\u002B0x0/0x310 [  168.567582]  show_stack\u002B0x28/0x38 [  168.567586]  dump_stack\u002B0xec/0x15c [  168.567591]  kasan_report\u002B0x244/0x2f0 [  168.567594]  __asan_load4\u002B0x58/0xb0 [  168.567607]  virtio_gpu_conn_get_modes\u002B0xb4/0x140 [virtio_gpu] [  168.567612]  drm_helper_probe_single_connector_modes\u002B0x3a4/0xd80 [  168.567617]  drm_mode_getconnector\u002B0x2e0/0xa70 [  168.567621]  drm_ioctl_kernel\u002B0x11c/0x1d8 [  168.567624]  drm_ioctl\u002B0x558/0x6d0 [  168.567628]  do_vfs_ioctl\u002B0x160/0xf30 [  168.567632]  ksys_ioctl\u002B0x98/0xd8 [  168.567636]  __arm64_sys_ioctl\u002B0x50/0xc8 [  168.567641]  el0_svc_common\u002B0xc8/0x320 [  168.567645]  el0_svc_handler\u002B0xf8/0x160 [  168.567649]  el0_svc\u002B0x10/0x218",
  "published": "2025-02-26T07:01:29Z",
  "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": 0.00324,
  "epssPercentile": 0.25552,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49532",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49532",
      "released": "2025-02-26T07:01:29Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49532",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49532",
      "released": "2025-02-26T07:01:29Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.18.5-1",
      "fix": "DEBIAN-CVE-2022-49532",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-49532",
      "released": "2025-02-26T07:01:29Z"
    }
  ],
  "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"
  }
}