{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "be7efb2d20d67f334a7de2aef77ae6c69367e646"
            },
            {
              "fixed": "379e19e820dd1c6145426b97467728b3b89c0b42"
            },
            {
              "fixed": "b8c182b2c8c44c6016b11d8af61715ad7ef958a1"
            },
            {
              "fixed": "cb184dd19154fc486fa3d9e02afe70a97e54e055"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "6.17.0"
            },
            {
              "fixed": "6.18.19"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43474.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfs: init flags_valid before calling vfs_fileattr_get\n\nsyzbot reported a uninit-value bug in [1].\n\nSimilar to the \"*get\" context where the kernel's internal file_kattr\nstructure is initialized before calling vfs_fileattr_get(), we should\nuse the same mechanism when using fa.\n\n[1]\nBUG: KMSAN: uninit-value in fuse_fileattr_get+0xeb4/0x1450 fs/fuse/ioctl.c:517\n fuse_fileattr_get+0xeb4/0x1450 fs/fuse/ioctl.c:517\n vfs_fileattr_get fs/file_attr.c:94 [inline]\n __do_sys_file_getattr fs/file_attr.c:416 [inline]\n\nLocal variable fa.i created at:\n __do_sys_file_getattr fs/file_attr.c:380 [inline]\n __se_sys_file_getattr+0x8c/0xbd0 fs/file_attr.c:372",
  "id": "CVE-2026-43474",
  "modified": "2026-07-15T01:49:18.837416672Z",
  "published": "2026-05-08T14:22:32.871Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/379e19e820dd1c6145426b97467728b3b89c0b42"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b8c182b2c8c44c6016b11d8af61715ad7ef958a1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/cb184dd19154fc486fa3d9e02afe70a97e54e055"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43474.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43474"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "summary": "fs: init flags_valid before calling vfs_fileattr_get"
}