{
  "schema_version": "1.6.1",
  "id": "RPI-CVE-2024-49900",
  "modified": "2026-10-07T17:22:01Z",
  "upstream": [
    "CVE-2024-49900"
  ],
  "published": "2024-10-21T18:02:47Z",
  "summary": "jfs: Fix uninit-value access of new_ea in ea_buffer",
  "details": "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().",
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  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.cve.org/CVERecord?id=CVE-2024-49900"
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