nvd-json-data-feeds/CVE-2024/CVE-2024-499xx/CVE-2024-49900.json

{
  "id": "CVE-2024-49900",
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "published": "2024-10-21T18:15:12.320",
  "lastModified": "2024-10-23T15:13:25.583",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\njfs: Fix uninit-value access of new_ea in ea_buffer\n\nsyzbot reports that lzo1x_1_do_compress is using uninit-value:\n\n=====================================================\nBUG: KMSAN: uninit-value in lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178\n\n...\n\nUninit was stored to memory at:\n ea_put fs/jfs/xattr.c:639 [inline]\n\n...\n\nLocal variable ea_buf created at:\n __jfs_setxattr+0x5d/0x1ae0 fs/jfs/xattr.c:662\n __jfs_xattr_set+0xe6/0x1f0 fs/jfs/xattr.c:934\n\n=====================================================\n\nThe reason is ea_buf->new_ea is not initialized properly.\n\nFix this by using memset to empty its content at the beginning\nin ea_get()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: jfs: Se corrige el acceso a uninit-value de new_ea en ea_buffer syzbot informa que lzo1x_1_do_compress est\u00e1 usando uninit-value: ========================================================= ERROR: KMSAN: uninit-value en lzo1x_1_do_compress+0x19f9/0x2510 lib/lzo/lzo1x_compress.c:178 ... Uninit se almacen\u00f3 en la memoria en: ea_put fs/jfs/xattr.c:639 [en l\u00ednea] ... La variable local ea_buf se cre\u00f3 en: __jfs_setxattr+0x5d/0x1ae0 fs/jfs/xattr.c:662 __jfs_xattr_set+0xe6/0x1f0 fs/jfs/xattr.c:934 ========================================================== El motivo es que ea_buf->new_ea no se inicializa correctamente. Solucione esto usando memset para vaciar su contenido al principio en ea_get()."
    }
  ],
  "metrics": {},
  "references": [
    {
      "url": "https://git.kernel.org/stable/c/2b59ffad47db1c46af25ccad157bb3b25147c35c",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/6041536d18c5f51a84bc37cd568cbab61870031e",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/7c244d5b48284a770d96ff703df2dfeadf804a73",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/8ad8b531de79c348bcb8133e7f5e827b884226af",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/8b1dcf25c26d42e4a68c4725ce52a0543c7878cc",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/c076b3746224982eebdba5c9e4b1467e146c0d64",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    },
    {
      "url": "https://git.kernel.org/stable/c/d7444f91a9f93eaa48827087ed0f3381c194181d",
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ]
}