CVE-2024-53155 (GCVE-0-2024-53155)

Vulnerability from cvelistv5 – Published: 2024-12-24 11:28 – Updated: 2026-05-11 20:51
VLAI
Title
ocfs2: fix uninitialized value in ocfs2_file_read_iter()
Summary
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix uninitialized value in ocfs2_file_read_iter() Syzbot has reported the following KMSAN splat: BUG: KMSAN: uninit-value in ocfs2_file_read_iter+0x9a4/0xf80 ocfs2_file_read_iter+0x9a4/0xf80 __io_read+0x8d4/0x20f0 io_read+0x3e/0xf0 io_issue_sqe+0x42b/0x22c0 io_wq_submit_work+0xaf9/0xdc0 io_worker_handle_work+0xd13/0x2110 io_wq_worker+0x447/0x1410 ret_from_fork+0x6f/0x90 ret_from_fork_asm+0x1a/0x30 Uninit was created at: __alloc_pages_noprof+0x9a7/0xe00 alloc_pages_mpol_noprof+0x299/0x990 alloc_pages_noprof+0x1bf/0x1e0 allocate_slab+0x33a/0x1250 ___slab_alloc+0x12ef/0x35e0 kmem_cache_alloc_bulk_noprof+0x486/0x1330 __io_alloc_req_refill+0x84/0x560 io_submit_sqes+0x172f/0x2f30 __se_sys_io_uring_enter+0x406/0x41c0 __x64_sys_io_uring_enter+0x11f/0x1a0 x64_sys_call+0x2b54/0x3ba0 do_syscall_64+0xcd/0x1e0 entry_SYSCALL_64_after_hwframe+0x77/0x7f Since an instance of 'struct kiocb' may be passed from the block layer with 'private' field uninitialized, introduce 'ocfs2_iocb_init_rw_locked()' and use it from where 'ocfs2_dio_end_io()' might take care, i.e. in 'ocfs2_file_read_iter()' and 'ocfs2_file_write_iter()'.
Severity
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-10-01 20:09 UTC
CWE
  • CWE-908 - Use of Uninitialized Resource
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 7cdfc3a1c3971c9125c317cb8c2525745851798e , < 6c8f8d1e595dabd5389817f6d798cc8bd95c40ab (git)
Affected: 7cdfc3a1c3971c9125c317cb8c2525745851798e , < f4078ef38d3163e6be47403a619558b19c4bfccd (git)
Affected: 7cdfc3a1c3971c9125c317cb8c2525745851798e , < 66b7ddd1804e2c4216dd7ead8eeb746cdbb3b62f (git)
Affected: 7cdfc3a1c3971c9125c317cb8c2525745851798e , < 8c966150d5abff58c3c2bdb9a6e63fd773782905 (git)
Affected: 7cdfc3a1c3971c9125c317cb8c2525745851798e , < 83f8713a0ef1d55d6a287bcfadcaab8245ac5098 (git)
Affected: 7cdfc3a1c3971c9125c317cb8c2525745851798e , < 8e0de82ed18ba0e71f817adbd81317fd1032ca5a (git)
Affected: 7cdfc3a1c3971c9125c317cb8c2525745851798e , < 366c933c2ab34dd6551acc03b4872726b7605143 (git)
Affected: 7cdfc3a1c3971c9125c317cb8c2525745851798e , < dc78efe556fed162d48736ef24066f42e463e27c (git)
Affected: 7cdfc3a1c3971c9125c317cb8c2525745851798e , < adc77b19f62d7e80f98400b2fca9d700d2afdd6f (git)
Create a notification for this product.
Linux Linux Affected: 2.6.22
Unaffected: 0 , < 2.6.22 (semver)
Unaffected: 4.19.325 , ≤ 4.19.* (semver)
Unaffected: 5.4.287 , ≤ 5.4.* (semver)
Unaffected: 5.10.231 , ≤ 5.10.* (semver)
Unaffected: 5.15.174 , ≤ 5.15.* (semver)
Unaffected: 6.1.120 , ≤ 6.1.* (semver)
Unaffected: 6.6.64 , ≤ 6.6.* (semver)
Unaffected: 6.11.11 , ≤ 6.11.* (semver)
Unaffected: 6.12.2 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix uninitialized value in ocfs2_file_read_iter()\n\nSyzbot has reported the following KMSAN splat:\n\nBUG: KMSAN: uninit-value in ocfs2_file_read_iter+0x9a4/0xf80\n ocfs2_file_read_iter+0x9a4/0xf80\n __io_read+0x8d4/0x20f0\n io_read+0x3e/0xf0\n io_issue_sqe+0x42b/0x22c0\n io_wq_submit_work+0xaf9/0xdc0\n io_worker_handle_work+0xd13/0x2110\n io_wq_worker+0x447/0x1410\n ret_from_fork+0x6f/0x90\n ret_from_fork_asm+0x1a/0x30\n\nUninit was created at:\n __alloc_pages_noprof+0x9a7/0xe00\n alloc_pages_mpol_noprof+0x299/0x990\n alloc_pages_noprof+0x1bf/0x1e0\n allocate_slab+0x33a/0x1250\n ___slab_alloc+0x12ef/0x35e0\n kmem_cache_alloc_bulk_noprof+0x486/0x1330\n __io_alloc_req_refill+0x84/0x560\n io_submit_sqes+0x172f/0x2f30\n __se_sys_io_uring_enter+0x406/0x41c0\n __x64_sys_io_uring_enter+0x11f/0x1a0\n x64_sys_call+0x2b54/0x3ba0\n do_syscall_64+0xcd/0x1e0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nSince an instance of \u0027struct kiocb\u0027 may be passed from the block layer\nwith \u0027private\u0027 field uninitialized, introduce \u0027ocfs2_iocb_init_rw_locked()\u0027\nand use it from where \u0027ocfs2_dio_end_io()\u0027 might take care, i.e. in\n\u0027ocfs2_file_read_iter()\u0027 and \u0027ocfs2_file_write_iter()\u0027."
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    "cveId": "CVE-2024-53155",
    "datePublished": "2024-12-24T11:28:54.241Z",
    "dateReserved": "2024-11-19T17:17:25.001Z",
    "dateUpdated": "2026-05-11T20:51:55.233Z",
    "state": "PUBLISHED"
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix uninitialized value in ocfs2_file_read_iter()\n\nSyzbot has reported the following KMSAN splat:\n\nBUG: KMSAN: uninit-value in ocfs2_file_read_iter+0x9a4/0xf80\n ocfs2_file_read_iter+0x9a4/0xf80\n __io_read+0x8d4/0x20f0\n io_read+0x3e/0xf0\n io_issue_sqe+0x42b/0x22c0\n io_wq_submit_work+0xaf9/0xdc0\n io_worker_handle_work+0xd13/0x2110\n io_wq_worker+0x447/0x1410\n ret_from_fork+0x6f/0x90\n ret_from_fork_asm+0x1a/0x30\n\nUninit was created at:\n __alloc_pages_noprof+0x9a7/0xe00\n alloc_pages_mpol_noprof+0x299/0x990\n alloc_pages_noprof+0x1bf/0x1e0\n allocate_slab+0x33a/0x1250\n ___slab_alloc+0x12ef/0x35e0\n kmem_cache_alloc_bulk_noprof+0x486/0x1330\n __io_alloc_req_refill+0x84/0x560\n io_submit_sqes+0x172f/0x2f30\n __se_sys_io_uring_enter+0x406/0x41c0\n __x64_sys_io_uring_enter+0x11f/0x1a0\n x64_sys_call+0x2b54/0x3ba0\n do_syscall_64+0xcd/0x1e0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nSince an instance of \u0027struct kiocb\u0027 may be passed from the block layer\nwith \u0027private\u0027 field uninitialized, introduce \u0027ocfs2_iocb_init_rw_locked()\u0027\nand use it from where \u0027ocfs2_dio_end_io()\u0027 might take care, i.e. in\n\u0027ocfs2_file_read_iter()\u0027 and \u0027ocfs2_file_write_iter()\u0027."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ocfs2: corrige el valor no inicializado en ocfs2_file_read_iter() Syzbot ha informado el siguiente s\u00edmbolo KMSAN: ERROR: KMSAN: valor uninicial en ocfs2_file_read_iter+0x9a4/0xf80 ocfs2_file_read_iter+0x9a4/0xf80 __io_read+0x8d4/0x20f0 io_read+0x3e/0xf0 io_issue_sqe+0x42b/0x22c0 io_wq_submit_work+0xaf9/0xdc0 io_worker_handle_work+0xd13/0x2110 io_wq_worker+0x447/0x1410 ret_from_fork+0x6f/0x90 ret_from_fork_asm+0x1a/0x30 Uninit se cre\u00f3 en: __alloc_pages_noprof+0x9a7/0xe00 alloc_pages_mpol_noprof+0x299/0x990 alloc_pages_noprof+0x1bf/0x1e0 allocate_slab+0x33a/0x1250 ___slab_alloc+0x12ef/0x35e0 kmem_cache_alloc_bulk_noprof+0x486/0x1330 __io_alloc_req_refill+0x84/0x560 io_submit_sqes+0x172f/0x2f30 __se_sys_io_uring_enter+0x406/0x41c0 __x64_sys_io_uring_enter+0x11f/0x1a0 x64_sys_call+0x2b54/0x3ba0 do_syscall_64+0xcd/0x1e0 Entry_SYSCALL_64_after_hwframe+0x77/0x7f Dado que una instancia de \u0027struct kiocb\u0027 puede pasarse desde la capa de bloque con el campo \u0027privado\u0027 no inicializado, introduzca \u0027ocfs2_iocb_init_rw_locked()\u0027 y util\u00edcelo desde donde podr\u00eda tomar \u0027ocfs2_dio_end_io()\u0027 cuidado, es decir en \u0027ocfs2_file_read_iter()\u0027 y \u0027ocfs2_file_write_iter()\u0027."
          }
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            {
              "lang": "en",
              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nocfs2: fix uninitialized value in ocfs2_file_read_iter()\n\nSyzbot has reported the following KMSAN splat:\n\nBUG: KMSAN: uninit-value in ocfs2_file_read_iter+0x9a4/0xf80\n ocfs2_file_read_iter+0x9a4/0xf80\n __io_read+0x8d4/0x20f0\n io_read+0x3e/0xf0\n io_issue_sqe+0x42b/0x22c0\n io_wq_submit_work+0xaf9/0xdc0\n io_worker_handle_work+0xd13/0x2110\n io_wq_worker+0x447/0x1410\n ret_from_fork+0x6f/0x90\n ret_from_fork_asm+0x1a/0x30\n\nUninit was created at:\n __alloc_pages_noprof+0x9a7/0xe00\n alloc_pages_mpol_noprof+0x299/0x990\n alloc_pages_noprof+0x1bf/0x1e0\n allocate_slab+0x33a/0x1250\n ___slab_alloc+0x12ef/0x35e0\n kmem_cache_alloc_bulk_noprof+0x486/0x1330\n __io_alloc_req_refill+0x84/0x560\n io_submit_sqes+0x172f/0x2f30\n __se_sys_io_uring_enter+0x406/0x41c0\n __x64_sys_io_uring_enter+0x11f/0x1a0\n x64_sys_call+0x2b54/0x3ba0\n do_syscall_64+0xcd/0x1e0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n\nSince an instance of \u0027struct kiocb\u0027 may be passed from the block layer\nwith \u0027private\u0027 field uninitialized, introduce \u0027ocfs2_iocb_init_rw_locked()\u0027\nand use it from where \u0027ocfs2_dio_end_io()\u0027 might take care, i.e. in\n\u0027ocfs2_file_read_iter()\u0027 and \u0027ocfs2_file_write_iter()\u0027."
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2026-05-11T20:51:55.233Z",
            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
          },
          "references": [
            {
              "url": "https://git.kernel.org/stable/c/6c8f8d1e595dabd5389817f6d798cc8bd95c40ab"
            },
            {
              "url": "https://git.kernel.org/stable/c/f4078ef38d3163e6be47403a619558b19c4bfccd"
            },
            {
              "url": "https://git.kernel.org/stable/c/66b7ddd1804e2c4216dd7ead8eeb746cdbb3b62f"
            },
            {
              "url": "https://git.kernel.org/stable/c/8c966150d5abff58c3c2bdb9a6e63fd773782905"
            },
            {
              "url": "https://git.kernel.org/stable/c/83f8713a0ef1d55d6a287bcfadcaab8245ac5098"
            },
            {
              "url": "https://git.kernel.org/stable/c/8e0de82ed18ba0e71f817adbd81317fd1032ca5a"
            },
            {
              "url": "https://git.kernel.org/stable/c/366c933c2ab34dd6551acc03b4872726b7605143"
            },
            {
              "url": "https://git.kernel.org/stable/c/dc78efe556fed162d48736ef24066f42e463e27c"
            },
            {
              "url": "https://git.kernel.org/stable/c/adc77b19f62d7e80f98400b2fca9d700d2afdd6f"
            }
          ],
          "title": "ocfs2: fix uninitialized value in ocfs2_file_read_iter()",
          "x_generator": {
            "engine": "bippy-1.2.0"
          }
        }
      },
      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2024-53155",
        "datePublished": "2024-12-24T11:28:54.241Z",
        "dateReserved": "2024-11-19T17:17:25.001Z",
        "dateUpdated": "2026-05-11T20:51:55.233Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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