ghsa-965c-2m8v-wcjh
Vulnerability from github
Published
2025-05-01 15:31
Modified
2025-05-01 15:31
Details

In the Linux kernel, the following vulnerability has been resolved:

nfs4: Fix kmemleak when allocate slot failed

If one of the slot allocate failed, should cleanup all the other allocated slots, otherwise, the allocated slots will leak:

unreferenced object 0xffff8881115aa100 (size 64): comm ""mount.nfs"", pid 679, jiffies 4294744957 (age 115.037s) hex dump (first 32 bytes): 00 cc 19 73 81 88 ff ff 00 a0 5a 11 81 88 ff ff ...s......Z..... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000007a4c434a>] nfs4_find_or_create_slot+0x8e/0x130 [<000000005472a39c>] nfs4_realloc_slot_table+0x23f/0x270 [<00000000cd8ca0eb>] nfs40_init_client+0x4a/0x90 [<00000000128486db>] nfs4_init_client+0xce/0x270 [<000000008d2cacad>] nfs4_set_client+0x1a2/0x2b0 [<000000000e593b52>] nfs4_create_server+0x300/0x5f0 [<00000000e4425dd2>] nfs4_try_get_tree+0x65/0x110 [<00000000d3a6176f>] vfs_get_tree+0x41/0xf0 [<0000000016b5ad4c>] path_mount+0x9b3/0xdd0 [<00000000494cae71>] __x64_sys_mount+0x190/0x1d0 [<000000005d56bdec>] do_syscall_64+0x35/0x80 [<00000000687c9ae4>] entry_SYSCALL_64_after_hwframe+0x46/0xb0

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2022-49927"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-01T15:16:18Z",
    "severity": null
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfs4: Fix kmemleak when allocate slot failed\n\nIf one of the slot allocate failed, should cleanup all the other\nallocated slots, otherwise, the allocated slots will leak:\n\n  unreferenced object 0xffff8881115aa100 (size 64):\n    comm \"\"mount.nfs\"\", pid 679, jiffies 4294744957 (age 115.037s)\n    hex dump (first 32 bytes):\n      00 cc 19 73 81 88 ff ff 00 a0 5a 11 81 88 ff ff  ...s......Z.....\n      00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    backtrace:\n      [\u003c000000007a4c434a\u003e] nfs4_find_or_create_slot+0x8e/0x130\n      [\u003c000000005472a39c\u003e] nfs4_realloc_slot_table+0x23f/0x270\n      [\u003c00000000cd8ca0eb\u003e] nfs40_init_client+0x4a/0x90\n      [\u003c00000000128486db\u003e] nfs4_init_client+0xce/0x270\n      [\u003c000000008d2cacad\u003e] nfs4_set_client+0x1a2/0x2b0\n      [\u003c000000000e593b52\u003e] nfs4_create_server+0x300/0x5f0\n      [\u003c00000000e4425dd2\u003e] nfs4_try_get_tree+0x65/0x110\n      [\u003c00000000d3a6176f\u003e] vfs_get_tree+0x41/0xf0\n      [\u003c0000000016b5ad4c\u003e] path_mount+0x9b3/0xdd0\n      [\u003c00000000494cae71\u003e] __x64_sys_mount+0x190/0x1d0\n      [\u003c000000005d56bdec\u003e] do_syscall_64+0x35/0x80\n      [\u003c00000000687c9ae4\u003e] entry_SYSCALL_64_after_hwframe+0x46/0xb0",
  "id": "GHSA-965c-2m8v-wcjh",
  "modified": "2025-05-01T15:31:53Z",
  "published": "2025-05-01T15:31:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-49927"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/24641993a7dce6b1628645f4e1d97ca06c9f765d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/45aea4fbf61e205649c29200726b9f45c1718a67"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7e8436728e22181c3f12a5dbabd35ed3a8b8c593"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/84b5cb476903003ae9ca88f32b57ff0eaefa6d4c"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/86ce0e93cf6fb4d0c447323ac66577c642628b9d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/925cb538bd5851154602818dc80bf4b4d924c127"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/aae35a0c8a775fa4afa6a4e7dab3f936f1f89bbb"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/db333ae981fb8843c383aa7dbf62cc682597d401"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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