CVE-2025-40261 (GCVE-0-2025-40261)

Vulnerability from cvelistv5 – Published: 2025-12-04 16:08 – Updated: 2026-05-11 21:45
VLAI?
Title
nvme: nvme-fc: Ensure ->ioerr_work is cancelled in nvme_fc_delete_ctrl()
Summary
In the Linux kernel, the following vulnerability has been resolved: nvme: nvme-fc: Ensure ->ioerr_work is cancelled in nvme_fc_delete_ctrl() nvme_fc_delete_assocation() waits for pending I/O to complete before returning, and an error can cause ->ioerr_work to be queued after cancel_work_sync() had been called. Move the call to cancel_work_sync() to be after nvme_fc_delete_association() to ensure ->ioerr_work is not running when the nvme_fc_ctrl object is freed. Otherwise the following can occur: [ 1135.911754] list_del corruption, ff2d24c8093f31f8->next is NULL [ 1135.917705] ------------[ cut here ]------------ [ 1135.922336] kernel BUG at lib/list_debug.c:52! [ 1135.926784] Oops: invalid opcode: 0000 [#1] SMP NOPTI [ 1135.931851] CPU: 48 UID: 0 PID: 726 Comm: kworker/u449:23 Kdump: loaded Not tainted 6.12.0 #1 PREEMPT(voluntary) [ 1135.943490] Hardware name: Dell Inc. PowerEdge R660/0HGTK9, BIOS 2.5.4 01/16/2025 [ 1135.950969] Workqueue: 0x0 (nvme-wq) [ 1135.954673] RIP: 0010:__list_del_entry_valid_or_report.cold+0xf/0x6f [ 1135.961041] Code: c7 c7 98 68 72 94 e8 26 45 fe ff 0f 0b 48 c7 c7 70 68 72 94 e8 18 45 fe ff 0f 0b 48 89 fe 48 c7 c7 80 69 72 94 e8 07 45 fe ff <0f> 0b 48 89 d1 48 c7 c7 a0 6a 72 94 48 89 c2 e8 f3 44 fe ff 0f 0b [ 1135.979788] RSP: 0018:ff579b19482d3e50 EFLAGS: 00010046 [ 1135.985015] RAX: 0000000000000033 RBX: ff2d24c8093f31f0 RCX: 0000000000000000 [ 1135.992148] RDX: 0000000000000000 RSI: ff2d24d6bfa1d0c0 RDI: ff2d24d6bfa1d0c0 [ 1135.999278] RBP: ff2d24c8093f31f8 R08: 0000000000000000 R09: ffffffff951e2b08 [ 1136.006413] R10: ffffffff95122ac8 R11: 0000000000000003 R12: ff2d24c78697c100 [ 1136.013546] R13: fffffffffffffff8 R14: 0000000000000000 R15: ff2d24c78697c0c0 [ 1136.020677] FS: 0000000000000000(0000) GS:ff2d24d6bfa00000(0000) knlGS:0000000000000000 [ 1136.028765] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1136.034510] CR2: 00007fd207f90b80 CR3: 000000163ea22003 CR4: 0000000000f73ef0 [ 1136.041641] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1136.048776] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400 [ 1136.055910] PKRU: 55555554 [ 1136.058623] Call Trace: [ 1136.061074] <TASK> [ 1136.063179] ? show_trace_log_lvl+0x1b0/0x2f0 [ 1136.067540] ? show_trace_log_lvl+0x1b0/0x2f0 [ 1136.071898] ? move_linked_works+0x4a/0xa0 [ 1136.075998] ? __list_del_entry_valid_or_report.cold+0xf/0x6f [ 1136.081744] ? __die_body.cold+0x8/0x12 [ 1136.085584] ? die+0x2e/0x50 [ 1136.088469] ? do_trap+0xca/0x110 [ 1136.091789] ? do_error_trap+0x65/0x80 [ 1136.095543] ? __list_del_entry_valid_or_report.cold+0xf/0x6f [ 1136.101289] ? exc_invalid_op+0x50/0x70 [ 1136.105127] ? __list_del_entry_valid_or_report.cold+0xf/0x6f [ 1136.110874] ? asm_exc_invalid_op+0x1a/0x20 [ 1136.115059] ? __list_del_entry_valid_or_report.cold+0xf/0x6f [ 1136.120806] move_linked_works+0x4a/0xa0 [ 1136.124733] worker_thread+0x216/0x3a0 [ 1136.128485] ? __pfx_worker_thread+0x10/0x10 [ 1136.132758] kthread+0xfa/0x240 [ 1136.135904] ? __pfx_kthread+0x10/0x10 [ 1136.139657] ret_from_fork+0x31/0x50 [ 1136.143236] ? __pfx_kthread+0x10/0x10 [ 1136.146988] ret_from_fork_asm+0x1a/0x30 [ 1136.150915] </TASK>
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: f1cd8c40936ff2b560e1f35159dd6a4602b558e5 , < 3f48cd7f35da07fc067cef926bb7f6f4735de37b (git)
Affected: 19fce0470f05031e6af36e49ce222d0f0050d432 , < 60ba31330faf5677e2eebef7eac62ea9e42a200d (git)
Affected: 19fce0470f05031e6af36e49ce222d0f0050d432 , < 9610a2c162ef729a3988213a4604376e492f6f44 (git)
Affected: 19fce0470f05031e6af36e49ce222d0f0050d432 , < 33f64600a12055219bda38b55320c62cdeda9167 (git)
Affected: 19fce0470f05031e6af36e49ce222d0f0050d432 , < 48ae433c6cc6985f647b1b37d8bb002972cf9bdb (git)
Affected: 19fce0470f05031e6af36e49ce222d0f0050d432 , < fbd5741a556eaaa63d0908132ca79d335b58b1cd (git)
Affected: 19fce0470f05031e6af36e49ce222d0f0050d432 , < 0a2c5495b6d1ecb0fa18ef6631450f391a888256 (git)
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Linux Linux Affected: 5.11
Unaffected: 0 , < 5.11 (semver)
Unaffected: 5.10.253 , ≤ 5.10.* (semver)
Unaffected: 5.15.197 , ≤ 5.15.* (semver)
Unaffected: 6.1.167 , ≤ 6.1.* (semver)
Unaffected: 6.6.118 , ≤ 6.6.* (semver)
Unaffected: 6.12.60 , ≤ 6.12.* (semver)
Unaffected: 6.17.10 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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{
  "containers": {
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        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/nvme/host/fc.c"
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              "version": "5.10.253",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.197",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.167",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.118",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.60",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.17.*",
              "status": "unaffected",
              "version": "6.17.10",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.18",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "5.10.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.197",
                  "versionStartIncluding": "5.11",
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                {
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                {
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                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme: nvme-fc: Ensure -\u003eioerr_work is cancelled in nvme_fc_delete_ctrl()\n\nnvme_fc_delete_assocation() waits for pending I/O to complete before\nreturning, and an error can cause -\u003eioerr_work to be queued after\ncancel_work_sync() had been called.  Move the call to cancel_work_sync() to\nbe after nvme_fc_delete_association() to ensure -\u003eioerr_work is not running\nwhen the nvme_fc_ctrl object is freed.  Otherwise the following can occur:\n\n[ 1135.911754] list_del corruption, ff2d24c8093f31f8-\u003enext is NULL\n[ 1135.917705] ------------[ cut here ]------------\n[ 1135.922336] kernel BUG at lib/list_debug.c:52!\n[ 1135.926784] Oops: invalid opcode: 0000 [#1] SMP NOPTI\n[ 1135.931851] CPU: 48 UID: 0 PID: 726 Comm: kworker/u449:23 Kdump: loaded Not tainted 6.12.0 #1 PREEMPT(voluntary)\n[ 1135.943490] Hardware name: Dell Inc. PowerEdge R660/0HGTK9, BIOS 2.5.4 01/16/2025\n[ 1135.950969] Workqueue:  0x0 (nvme-wq)\n[ 1135.954673] RIP: 0010:__list_del_entry_valid_or_report.cold+0xf/0x6f\n[ 1135.961041] Code: c7 c7 98 68 72 94 e8 26 45 fe ff 0f 0b 48 c7 c7 70 68 72 94 e8 18 45 fe ff 0f 0b 48 89 fe 48 c7 c7 80 69 72 94 e8 07 45 fe ff \u003c0f\u003e 0b 48 89 d1 48 c7 c7 a0 6a 72 94 48 89 c2 e8 f3 44 fe ff 0f 0b\n[ 1135.979788] RSP: 0018:ff579b19482d3e50 EFLAGS: 00010046\n[ 1135.985015] RAX: 0000000000000033 RBX: ff2d24c8093f31f0 RCX: 0000000000000000\n[ 1135.992148] RDX: 0000000000000000 RSI: ff2d24d6bfa1d0c0 RDI: ff2d24d6bfa1d0c0\n[ 1135.999278] RBP: ff2d24c8093f31f8 R08: 0000000000000000 R09: ffffffff951e2b08\n[ 1136.006413] R10: ffffffff95122ac8 R11: 0000000000000003 R12: ff2d24c78697c100\n[ 1136.013546] R13: fffffffffffffff8 R14: 0000000000000000 R15: ff2d24c78697c0c0\n[ 1136.020677] FS:  0000000000000000(0000) GS:ff2d24d6bfa00000(0000) knlGS:0000000000000000\n[ 1136.028765] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ 1136.034510] CR2: 00007fd207f90b80 CR3: 000000163ea22003 CR4: 0000000000f73ef0\n[ 1136.041641] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n[ 1136.048776] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400\n[ 1136.055910] PKRU: 55555554\n[ 1136.058623] Call Trace:\n[ 1136.061074]  \u003cTASK\u003e\n[ 1136.063179]  ? show_trace_log_lvl+0x1b0/0x2f0\n[ 1136.067540]  ? show_trace_log_lvl+0x1b0/0x2f0\n[ 1136.071898]  ? move_linked_works+0x4a/0xa0\n[ 1136.075998]  ? __list_del_entry_valid_or_report.cold+0xf/0x6f\n[ 1136.081744]  ? __die_body.cold+0x8/0x12\n[ 1136.085584]  ? die+0x2e/0x50\n[ 1136.088469]  ? do_trap+0xca/0x110\n[ 1136.091789]  ? do_error_trap+0x65/0x80\n[ 1136.095543]  ? __list_del_entry_valid_or_report.cold+0xf/0x6f\n[ 1136.101289]  ? exc_invalid_op+0x50/0x70\n[ 1136.105127]  ? __list_del_entry_valid_or_report.cold+0xf/0x6f\n[ 1136.110874]  ? asm_exc_invalid_op+0x1a/0x20\n[ 1136.115059]  ? __list_del_entry_valid_or_report.cold+0xf/0x6f\n[ 1136.120806]  move_linked_works+0x4a/0xa0\n[ 1136.124733]  worker_thread+0x216/0x3a0\n[ 1136.128485]  ? __pfx_worker_thread+0x10/0x10\n[ 1136.132758]  kthread+0xfa/0x240\n[ 1136.135904]  ? __pfx_kthread+0x10/0x10\n[ 1136.139657]  ret_from_fork+0x31/0x50\n[ 1136.143236]  ? __pfx_kthread+0x10/0x10\n[ 1136.146988]  ret_from_fork_asm+0x1a/0x30\n[ 1136.150915]  \u003c/TASK\u003e"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-11T21:45:55.085Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/3f48cd7f35da07fc067cef926bb7f6f4735de37b"
        },
        {
          "url": "https://git.kernel.org/stable/c/60ba31330faf5677e2eebef7eac62ea9e42a200d"
        },
        {
          "url": "https://git.kernel.org/stable/c/9610a2c162ef729a3988213a4604376e492f6f44"
        },
        {
          "url": "https://git.kernel.org/stable/c/33f64600a12055219bda38b55320c62cdeda9167"
        },
        {
          "url": "https://git.kernel.org/stable/c/48ae433c6cc6985f647b1b37d8bb002972cf9bdb"
        },
        {
          "url": "https://git.kernel.org/stable/c/fbd5741a556eaaa63d0908132ca79d335b58b1cd"
        },
        {
          "url": "https://git.kernel.org/stable/c/0a2c5495b6d1ecb0fa18ef6631450f391a888256"
        }
      ],
      "title": "nvme: nvme-fc: Ensure -\u003eioerr_work is cancelled in nvme_fc_delete_ctrl()",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2025-40261",
    "datePublished": "2025-12-04T16:08:21.345Z",
    "dateReserved": "2025-04-16T07:20:57.182Z",
    "dateUpdated": "2026-05-11T21:45:55.085Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2025-40261",
      "date": "2026-05-21",
      "epss": "0.00058",
      "percentile": "0.18063"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-40261\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-04T16:16:20.053\",\"lastModified\":\"2026-04-18T09:16:12.403\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnvme: nvme-fc: Ensure -\u003eioerr_work is cancelled in nvme_fc_delete_ctrl()\\n\\nnvme_fc_delete_assocation() waits for pending I/O to complete before\\nreturning, and an error can cause -\u003eioerr_work to be queued after\\ncancel_work_sync() had been called.  Move the call to cancel_work_sync() to\\nbe after nvme_fc_delete_association() to ensure -\u003eioerr_work is not running\\nwhen the nvme_fc_ctrl object is freed.  Otherwise the following can occur:\\n\\n[ 1135.911754] list_del corruption, ff2d24c8093f31f8-\u003enext is NULL\\n[ 1135.917705] ------------[ cut here ]------------\\n[ 1135.922336] kernel BUG at lib/list_debug.c:52!\\n[ 1135.926784] Oops: invalid opcode: 0000 [#1] SMP NOPTI\\n[ 1135.931851] CPU: 48 UID: 0 PID: 726 Comm: kworker/u449:23 Kdump: loaded Not tainted 6.12.0 #1 PREEMPT(voluntary)\\n[ 1135.943490] Hardware name: Dell Inc. PowerEdge R660/0HGTK9, BIOS 2.5.4 01/16/2025\\n[ 1135.950969] Workqueue:  0x0 (nvme-wq)\\n[ 1135.954673] RIP: 0010:__list_del_entry_valid_or_report.cold+0xf/0x6f\\n[ 1135.961041] Code: c7 c7 98 68 72 94 e8 26 45 fe ff 0f 0b 48 c7 c7 70 68 72 94 e8 18 45 fe ff 0f 0b 48 89 fe 48 c7 c7 80 69 72 94 e8 07 45 fe ff \u003c0f\u003e 0b 48 89 d1 48 c7 c7 a0 6a 72 94 48 89 c2 e8 f3 44 fe ff 0f 0b\\n[ 1135.979788] RSP: 0018:ff579b19482d3e50 EFLAGS: 00010046\\n[ 1135.985015] RAX: 0000000000000033 RBX: ff2d24c8093f31f0 RCX: 0000000000000000\\n[ 1135.992148] RDX: 0000000000000000 RSI: ff2d24d6bfa1d0c0 RDI: ff2d24d6bfa1d0c0\\n[ 1135.999278] RBP: ff2d24c8093f31f8 R08: 0000000000000000 R09: ffffffff951e2b08\\n[ 1136.006413] R10: ffffffff95122ac8 R11: 0000000000000003 R12: ff2d24c78697c100\\n[ 1136.013546] R13: fffffffffffffff8 R14: 0000000000000000 R15: ff2d24c78697c0c0\\n[ 1136.020677] FS:  0000000000000000(0000) GS:ff2d24d6bfa00000(0000) knlGS:0000000000000000\\n[ 1136.028765] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n[ 1136.034510] CR2: 00007fd207f90b80 CR3: 000000163ea22003 CR4: 0000000000f73ef0\\n[ 1136.041641] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\n[ 1136.048776] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400\\n[ 1136.055910] PKRU: 55555554\\n[ 1136.058623] Call Trace:\\n[ 1136.061074]  \u003cTASK\u003e\\n[ 1136.063179]  ? show_trace_log_lvl+0x1b0/0x2f0\\n[ 1136.067540]  ? show_trace_log_lvl+0x1b0/0x2f0\\n[ 1136.071898]  ? move_linked_works+0x4a/0xa0\\n[ 1136.075998]  ? __list_del_entry_valid_or_report.cold+0xf/0x6f\\n[ 1136.081744]  ? __die_body.cold+0x8/0x12\\n[ 1136.085584]  ? die+0x2e/0x50\\n[ 1136.088469]  ? do_trap+0xca/0x110\\n[ 1136.091789]  ? do_error_trap+0x65/0x80\\n[ 1136.095543]  ? __list_del_entry_valid_or_report.cold+0xf/0x6f\\n[ 1136.101289]  ? exc_invalid_op+0x50/0x70\\n[ 1136.105127]  ? __list_del_entry_valid_or_report.cold+0xf/0x6f\\n[ 1136.110874]  ? asm_exc_invalid_op+0x1a/0x20\\n[ 1136.115059]  ? __list_del_entry_valid_or_report.cold+0xf/0x6f\\n[ 1136.120806]  move_linked_works+0x4a/0xa0\\n[ 1136.124733]  worker_thread+0x216/0x3a0\\n[ 1136.128485]  ? __pfx_worker_thread+0x10/0x10\\n[ 1136.132758]  kthread+0xfa/0x240\\n[ 1136.135904]  ? __pfx_kthread+0x10/0x10\\n[ 1136.139657]  ret_from_fork+0x31/0x50\\n[ 1136.143236]  ? __pfx_kthread+0x10/0x10\\n[ 1136.146988]  ret_from_fork_asm+0x1a/0x30\\n[ 1136.150915]  \u003c/TASK\u003e\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0a2c5495b6d1ecb0fa18ef6631450f391a888256\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/33f64600a12055219bda38b55320c62cdeda9167\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3f48cd7f35da07fc067cef926bb7f6f4735de37b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/48ae433c6cc6985f647b1b37d8bb002972cf9bdb\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/60ba31330faf5677e2eebef7eac62ea9e42a200d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9610a2c162ef729a3988213a4604376e492f6f44\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fbd5741a556eaaa63d0908132ca79d335b58b1cd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.



Detection rules are retrieved from Rulezet.