FKIE_CVE-2025-38444

Vulnerability from fkie_nvd - Published: 2025-07-25 16:15 - Updated: 2025-12-22 21:53
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: raid10: cleanup memleak at raid10_make_request If raid10_read_request or raid10_write_request registers a new request and the REQ_NOWAIT flag is set, the code does not free the malloc from the mempool. unreferenced object 0xffff8884802c3200 (size 192): comm "fio", pid 9197, jiffies 4298078271 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 88 41 02 00 00 00 00 00 .........A...... 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc c1a049a2): __kmalloc+0x2bb/0x450 mempool_alloc+0x11b/0x320 raid10_make_request+0x19e/0x650 [raid10] md_handle_request+0x3b3/0x9e0 __submit_bio+0x394/0x560 __submit_bio_noacct+0x145/0x530 submit_bio_noacct_nocheck+0x682/0x830 __blkdev_direct_IO_async+0x4dc/0x6b0 blkdev_read_iter+0x1e5/0x3b0 __io_read+0x230/0x1110 io_read+0x13/0x30 io_issue_sqe+0x134/0x1180 io_submit_sqes+0x48c/0xe90 __do_sys_io_uring_enter+0x574/0x8b0 do_syscall_64+0x5c/0xe0 entry_SYSCALL_64_after_hwframe+0x76/0x7e V4: changing backing tree to see if CKI tests will pass. The patch code has not changed between any versions.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/10c6021a609deb95f23f0cc2f89aa9d4bffb14c7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2941155d9a5ae098b480d551f3a5f8605d4f9af5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/43806c3d5b9bb7d74ba4e33a6a8a41ac988bde24Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8fc3d7b23d139e3cbc944c15d99b3cdbed797d2dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9af149ca9d0dab6e59e813519d309eff62499864Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ed7bcd9f617e4107ac0813c516e72e6b8f6029bdPatch
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlThird Party Advisory
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.16
linux linux_kernel 6.16
linux linux_kernel 6.16
linux linux_kernel 6.16
linux linux_kernel 6.16
debian debian_linux 11.0
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  "descriptions": [
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      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nraid10: cleanup memleak at raid10_make_request\n\nIf raid10_read_request or raid10_write_request registers a new\nrequest and the REQ_NOWAIT flag is set, the code does not\nfree the malloc from the mempool.\n\nunreferenced object 0xffff8884802c3200 (size 192):\n   comm \"fio\", pid 9197, jiffies 4298078271\n   hex dump (first 32 bytes):\n     00 00 00 00 00 00 00 00 88 41 02 00 00 00 00 00  .........A......\n     08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n   backtrace (crc c1a049a2):\n     __kmalloc+0x2bb/0x450\n     mempool_alloc+0x11b/0x320\n     raid10_make_request+0x19e/0x650 [raid10]\n     md_handle_request+0x3b3/0x9e0\n     __submit_bio+0x394/0x560\n     __submit_bio_noacct+0x145/0x530\n     submit_bio_noacct_nocheck+0x682/0x830\n     __blkdev_direct_IO_async+0x4dc/0x6b0\n     blkdev_read_iter+0x1e5/0x3b0\n     __io_read+0x230/0x1110\n     io_read+0x13/0x30\n     io_issue_sqe+0x134/0x1180\n     io_submit_sqes+0x48c/0xe90\n     __do_sys_io_uring_enter+0x574/0x8b0\n     do_syscall_64+0x5c/0xe0\n     entry_SYSCALL_64_after_hwframe+0x76/0x7e\n\nV4: changing backing tree to see if CKI tests will pass.\nThe patch code has not changed between any versions."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: raid10: limpieza de fuga de memoria en raid10_make_request Si raid10_read_request o raid10_write_request registra una nueva solicitud y el indicador REQ_NOWAIT est\u00e1 configurado, el c\u00f3digo no libera el malloc del grupo de memoria. objeto sin referencia 0xffff8884802c3200 (tama\u00f1o 192): comm \"fio\", pid 9197, jiffies 4298078271 volcado hexadecimal (primeros 32 bytes): 00 00 00 00 00 00 00 00 88 41 02 00 00 00 00 00 .........A...... 08 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ seguimiento inverso (crc c1a049a2): __kmalloc+0x2bb/0x450 mempool_alloc+0x11b/0x320 raid10_make_request+0x19e/0x650 [raid10] md_handle_request+0x3b3/0x9e0 __submit_bio+0x394/0x560 __submit_bio_noacct+0x145/0x530 submit_bio_noacct_nocheck+0x682/0x830 __blkdev_direct_IO_async+0x4dc/0x6b0 blkdev_read_iter+0x1e5/0x3b0 __io_read+0x230/0x1110 io_read+0x13/0x30 io_issue_sqe+0x134/0x1180 io_submit_sqes+0x48c/0xe90 __do_sys_io_uring_enter+0x574/0x8b0 do_syscall_64+0x5c/0xe0 entry_SYSCALL_64_after_hwframe+0x76/0x7e V4: Se modific\u00f3 el \u00e1rbol de respaldo para comprobar si las pruebas CKI superan las pruebas. El c\u00f3digo del parche no ha cambiado entre versiones."
    }
  ],
  "id": "CVE-2025-38444",
  "lastModified": "2025-12-22T21:53:30.967",
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          "attackVector": "LOCAL",
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          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
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        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2025-07-25T16:15:29.860",
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  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Analyzed",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-401"
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      "source": "nvd@nist.gov",
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}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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