CVE-2025-38179 (GCVE-0-2025-38179)

Vulnerability from cvelistv5 – Published: 2025-07-04 13:37 – Updated: 2025-07-28 04:14
VLAI?
Title
smb: client: fix max_sge overflow in smb_extract_folioq_to_rdma()
Summary
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix max_sge overflow in smb_extract_folioq_to_rdma() This fixes the following problem: [ 749.901015] [ T8673] run fstests cifs/001 at 2025-06-17 09:40:30 [ 750.346409] [ T9870] ================================================================== [ 750.346814] [ T9870] BUG: KASAN: slab-out-of-bounds in smb_set_sge+0x2cc/0x3b0 [cifs] [ 750.347330] [ T9870] Write of size 8 at addr ffff888011082890 by task xfs_io/9870 [ 750.347705] [ T9870] [ 750.348077] [ T9870] CPU: 0 UID: 0 PID: 9870 Comm: xfs_io Kdump: loaded Not tainted 6.16.0-rc2-metze.02+ #1 PREEMPT(voluntary) [ 750.348082] [ T9870] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006 [ 750.348085] [ T9870] Call Trace: [ 750.348086] [ T9870] <TASK> [ 750.348088] [ T9870] dump_stack_lvl+0x76/0xa0 [ 750.348106] [ T9870] print_report+0xd1/0x640 [ 750.348116] [ T9870] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 750.348120] [ T9870] ? kasan_complete_mode_report_info+0x26/0x210 [ 750.348124] [ T9870] kasan_report+0xe7/0x130 [ 750.348128] [ T9870] ? smb_set_sge+0x2cc/0x3b0 [cifs] [ 750.348262] [ T9870] ? smb_set_sge+0x2cc/0x3b0 [cifs] [ 750.348377] [ T9870] __asan_report_store8_noabort+0x17/0x30 [ 750.348381] [ T9870] smb_set_sge+0x2cc/0x3b0 [cifs] [ 750.348496] [ T9870] smbd_post_send_iter+0x1990/0x3070 [cifs] [ 750.348625] [ T9870] ? __pfx_smbd_post_send_iter+0x10/0x10 [cifs] [ 750.348741] [ T9870] ? update_stack_state+0x2a0/0x670 [ 750.348749] [ T9870] ? cifs_flush+0x153/0x320 [cifs] [ 750.348870] [ T9870] ? cifs_flush+0x153/0x320 [cifs] [ 750.348990] [ T9870] ? update_stack_state+0x2a0/0x670 [ 750.348995] [ T9870] smbd_send+0x58c/0x9c0 [cifs] [ 750.349117] [ T9870] ? __pfx_smbd_send+0x10/0x10 [cifs] [ 750.349231] [ T9870] ? unwind_get_return_address+0x65/0xb0 [ 750.349235] [ T9870] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 750.349242] [ T9870] ? arch_stack_walk+0xa7/0x100 [ 750.349250] [ T9870] ? stack_trace_save+0x92/0xd0 [ 750.349254] [ T9870] __smb_send_rqst+0x931/0xec0 [cifs] [ 750.349374] [ T9870] ? kernel_text_address+0x173/0x190 [ 750.349379] [ T9870] ? kasan_save_stack+0x39/0x70 [ 750.349382] [ T9870] ? kasan_save_track+0x18/0x70 [ 750.349385] [ T9870] ? __kasan_slab_alloc+0x9d/0xa0 [ 750.349389] [ T9870] ? __pfx___smb_send_rqst+0x10/0x10 [cifs] [ 750.349508] [ T9870] ? smb2_mid_entry_alloc+0xb4/0x7e0 [cifs] [ 750.349626] [ T9870] ? cifs_call_async+0x277/0xb00 [cifs] [ 750.349746] [ T9870] ? cifs_issue_write+0x256/0x610 [cifs] [ 750.349867] [ T9870] ? netfs_do_issue_write+0xc2/0x340 [netfs] [ 750.349900] [ T9870] ? netfs_advance_write+0x45b/0x1270 [netfs] [ 750.349929] [ T9870] ? netfs_write_folio+0xd6c/0x1be0 [netfs] [ 750.349958] [ T9870] ? netfs_writepages+0x2e9/0xa80 [netfs] [ 750.349987] [ T9870] ? do_writepages+0x21f/0x590 [ 750.349993] [ T9870] ? filemap_fdatawrite_wbc+0xe1/0x140 [ 750.349997] [ T9870] ? entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 750.350002] [ T9870] smb_send_rqst+0x22e/0x2f0 [cifs] [ 750.350131] [ T9870] ? __pfx_smb_send_rqst+0x10/0x10 [cifs] [ 750.350255] [ T9870] ? local_clock_noinstr+0xe/0xd0 [ 750.350261] [ T9870] ? kasan_save_alloc_info+0x37/0x60 [ 750.350268] [ T9870] ? __kasan_check_write+0x14/0x30 [ 750.350271] [ T9870] ? _raw_spin_lock+0x81/0xf0 [ 750.350275] [ T9870] ? __pfx__raw_spin_lock+0x10/0x10 [ 750.350278] [ T9870] ? smb2_setup_async_request+0x293/0x580 [cifs] [ 750.350398] [ T9870] cifs_call_async+0x477/0xb00 [cifs] [ 750.350518] [ T9870] ? __pfx_smb2_writev_callback+0x10/0x10 [cifs] [ 750.350636] [ T9870] ? __pfx_cifs_call_async+0x10/0x10 [cifs] [ 750.350756] [ T9870] ? __pfx__raw_spin_lock+0x10/0x10 [ 750.350760] [ T9870] ? __kasan_check_write+0x14/0x30 [ 750.350763] [ T98 ---truncated---
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: c45ebd636c32d33c75e51ce977520ff146bd41a1 , < 8ae7814589d7bd850294ac14ec4c1725dafd42ca (git)
Affected: c45ebd636c32d33c75e51ce977520ff146bd41a1 , < e0ba9b2f188166550296005e64b15e80db82ad8a (git)
Affected: c45ebd636c32d33c75e51ce977520ff146bd41a1 , < a379a8a2a0032e12e7ef397197c9c2ad011588d6 (git)
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    Linux Linux Affected: 6.12
Unaffected: 0 , < 6.12 (semver)
Unaffected: 6.12.35 , ≤ 6.12.* (semver)
Unaffected: 6.15.4 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/smbdirect.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "8ae7814589d7bd850294ac14ec4c1725dafd42ca",
              "status": "affected",
              "version": "c45ebd636c32d33c75e51ce977520ff146bd41a1",
              "versionType": "git"
            },
            {
              "lessThan": "e0ba9b2f188166550296005e64b15e80db82ad8a",
              "status": "affected",
              "version": "c45ebd636c32d33c75e51ce977520ff146bd41a1",
              "versionType": "git"
            },
            {
              "lessThan": "a379a8a2a0032e12e7ef397197c9c2ad011588d6",
              "status": "affected",
              "version": "c45ebd636c32d33c75e51ce977520ff146bd41a1",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "fs/smb/client/smbdirect.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.12"
            },
            {
              "lessThan": "6.12",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.35",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.15.*",
              "status": "unaffected",
              "version": "6.15.4",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.16",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.35",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.15.4",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.16",
                  "versionStartIncluding": "6.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb: client: fix max_sge overflow in smb_extract_folioq_to_rdma()\n\nThis fixes the following problem:\n\n[  749.901015] [   T8673] run fstests cifs/001 at 2025-06-17 09:40:30\n[  750.346409] [   T9870] ==================================================================\n[  750.346814] [   T9870] BUG: KASAN: slab-out-of-bounds in smb_set_sge+0x2cc/0x3b0 [cifs]\n[  750.347330] [   T9870] Write of size 8 at addr ffff888011082890 by task xfs_io/9870\n[  750.347705] [   T9870]\n[  750.348077] [   T9870] CPU: 0 UID: 0 PID: 9870 Comm: xfs_io Kdump: loaded Not tainted 6.16.0-rc2-metze.02+ #1 PREEMPT(voluntary)\n[  750.348082] [   T9870] Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006\n[  750.348085] [   T9870] Call Trace:\n[  750.348086] [   T9870]  \u003cTASK\u003e\n[  750.348088] [   T9870]  dump_stack_lvl+0x76/0xa0\n[  750.348106] [   T9870]  print_report+0xd1/0x640\n[  750.348116] [   T9870]  ? __pfx__raw_spin_lock_irqsave+0x10/0x10\n[  750.348120] [   T9870]  ? kasan_complete_mode_report_info+0x26/0x210\n[  750.348124] [   T9870]  kasan_report+0xe7/0x130\n[  750.348128] [   T9870]  ? smb_set_sge+0x2cc/0x3b0 [cifs]\n[  750.348262] [   T9870]  ? smb_set_sge+0x2cc/0x3b0 [cifs]\n[  750.348377] [   T9870]  __asan_report_store8_noabort+0x17/0x30\n[  750.348381] [   T9870]  smb_set_sge+0x2cc/0x3b0 [cifs]\n[  750.348496] [   T9870]  smbd_post_send_iter+0x1990/0x3070 [cifs]\n[  750.348625] [   T9870]  ? __pfx_smbd_post_send_iter+0x10/0x10 [cifs]\n[  750.348741] [   T9870]  ? update_stack_state+0x2a0/0x670\n[  750.348749] [   T9870]  ? cifs_flush+0x153/0x320 [cifs]\n[  750.348870] [   T9870]  ? cifs_flush+0x153/0x320 [cifs]\n[  750.348990] [   T9870]  ? update_stack_state+0x2a0/0x670\n[  750.348995] [   T9870]  smbd_send+0x58c/0x9c0 [cifs]\n[  750.349117] [   T9870]  ? __pfx_smbd_send+0x10/0x10 [cifs]\n[  750.349231] [   T9870]  ? unwind_get_return_address+0x65/0xb0\n[  750.349235] [   T9870]  ? __pfx_stack_trace_consume_entry+0x10/0x10\n[  750.349242] [   T9870]  ? arch_stack_walk+0xa7/0x100\n[  750.349250] [   T9870]  ? stack_trace_save+0x92/0xd0\n[  750.349254] [   T9870]  __smb_send_rqst+0x931/0xec0 [cifs]\n[  750.349374] [   T9870]  ? kernel_text_address+0x173/0x190\n[  750.349379] [   T9870]  ? kasan_save_stack+0x39/0x70\n[  750.349382] [   T9870]  ? kasan_save_track+0x18/0x70\n[  750.349385] [   T9870]  ? __kasan_slab_alloc+0x9d/0xa0\n[  750.349389] [   T9870]  ? __pfx___smb_send_rqst+0x10/0x10 [cifs]\n[  750.349508] [   T9870]  ? smb2_mid_entry_alloc+0xb4/0x7e0 [cifs]\n[  750.349626] [   T9870]  ? cifs_call_async+0x277/0xb00 [cifs]\n[  750.349746] [   T9870]  ? cifs_issue_write+0x256/0x610 [cifs]\n[  750.349867] [   T9870]  ? netfs_do_issue_write+0xc2/0x340 [netfs]\n[  750.349900] [   T9870]  ? netfs_advance_write+0x45b/0x1270 [netfs]\n[  750.349929] [   T9870]  ? netfs_write_folio+0xd6c/0x1be0 [netfs]\n[  750.349958] [   T9870]  ? netfs_writepages+0x2e9/0xa80 [netfs]\n[  750.349987] [   T9870]  ? do_writepages+0x21f/0x590\n[  750.349993] [   T9870]  ? filemap_fdatawrite_wbc+0xe1/0x140\n[  750.349997] [   T9870]  ? entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[  750.350002] [   T9870]  smb_send_rqst+0x22e/0x2f0 [cifs]\n[  750.350131] [   T9870]  ? __pfx_smb_send_rqst+0x10/0x10 [cifs]\n[  750.350255] [   T9870]  ? local_clock_noinstr+0xe/0xd0\n[  750.350261] [   T9870]  ? kasan_save_alloc_info+0x37/0x60\n[  750.350268] [   T9870]  ? __kasan_check_write+0x14/0x30\n[  750.350271] [   T9870]  ? _raw_spin_lock+0x81/0xf0\n[  750.350275] [   T9870]  ? __pfx__raw_spin_lock+0x10/0x10\n[  750.350278] [   T9870]  ? smb2_setup_async_request+0x293/0x580 [cifs]\n[  750.350398] [   T9870]  cifs_call_async+0x477/0xb00 [cifs]\n[  750.350518] [   T9870]  ? __pfx_smb2_writev_callback+0x10/0x10 [cifs]\n[  750.350636] [   T9870]  ? __pfx_cifs_call_async+0x10/0x10 [cifs]\n[  750.350756] [   T9870]  ? __pfx__raw_spin_lock+0x10/0x10\n[  750.350760] [   T9870]  ? __kasan_check_write+0x14/0x30\n[  750.350763] [   T98\n---truncated---"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-28T04:14:20.383Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8ae7814589d7bd850294ac14ec4c1725dafd42ca"
        },
        {
          "url": "https://git.kernel.org/stable/c/e0ba9b2f188166550296005e64b15e80db82ad8a"
        },
        {
          "url": "https://git.kernel.org/stable/c/a379a8a2a0032e12e7ef397197c9c2ad011588d6"
        }
      ],
      "title": "smb: client: fix max_sge overflow in smb_extract_folioq_to_rdma()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38179",
    "datePublished": "2025-07-04T13:37:07.383Z",
    "dateReserved": "2025-04-16T04:51:23.992Z",
    "dateUpdated": "2025-07-28T04:14:20.383Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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