CVE-2025-38569 (GCVE-0-2025-38569)

Vulnerability from cvelistv5 – Published: 2025-08-19 17:02 – Updated: 2026-05-23 16:00
VLAI
Title
benet: fix BUG when creating VFs
Summary
In the Linux kernel, the following vulnerability has been resolved: benet: fix BUG when creating VFs benet crashes as soon as SRIOV VFs are created: kernel BUG at mm/vmalloc.c:3457! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 4 UID: 0 PID: 7408 Comm: test.sh Kdump: loaded Not tainted 6.16.0+ #1 PREEMPT(voluntary) [...] RIP: 0010:vunmap+0x5f/0x70 [...] Call Trace: <TASK> __iommu_dma_free+0xe8/0x1c0 be_cmd_set_mac_list+0x3fe/0x640 [be2net] be_cmd_set_mac+0xaf/0x110 [be2net] be_vf_eth_addr_config+0x19f/0x330 [be2net] be_vf_setup+0x4f7/0x990 [be2net] be_pci_sriov_configure+0x3a1/0x470 [be2net] sriov_numvfs_store+0x20b/0x380 kernfs_fop_write_iter+0x354/0x530 vfs_write+0x9b9/0xf60 ksys_write+0xf3/0x1d0 do_syscall_64+0x8c/0x3d0 be_cmd_set_mac_list() calls dma_free_coherent() under a spin_lock_bh. Fix it by freeing only after the lock has been released.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6637 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 797bb9439c0489bbea4b8808297ec7a569098667 , < 3697e37e012bbd2bb5a5b467689811ba097b2eff (git)
Affected: 7cfae8627511361f90a1a22dfae556c3fbc5bd8d , < 975e73b9102d844a3dc3f091ad631c56145c8b4c (git)
Affected: 671aaa17bd3153e25526934f92307169ce927b5e , < f80b34ebc579216407b128e9d155bfcae875c30f (git)
Affected: 4393452e6c0c027971ec9bcc9557f52e63db3f0a , < 46d44a23a3723a89deeb65b13cddb17f8d9f2700 (git)
Affected: 41d731e7920387ea13e2fb440a1e235686faeeb9 , < c377ba2be9430d165a98e4b782902ed630bc7546 (git)
Affected: fd1ef3b1bdd3fec683ebd19eb3acc6a2cb60b5c6 , < 0ddfe8b127ef1149fddccb79db6e6eaba7738e7d (git)
Affected: 1a82d19ca2d6835904ee71e2d40fd331098f94a0 , < d5dc09ee5d74277bc47193fe28ce8703e229331b (git)
Affected: 1a82d19ca2d6835904ee71e2d40fd331098f94a0 , < f4e4e0c4bc4d799d6fa39055acdbc3af066cd13e (git)
Affected: 1a82d19ca2d6835904ee71e2d40fd331098f94a0 , < 5a40f8af2ba1b9bdf46e2db10e8c9710538fbc63 (git)
Affected: 227a829c9067bf03b1967e7e0b1a6777fd57edef (git)
Affected: 5.4.291 , < 5.4.297 (semver)
Affected: 5.10.235 , < 5.10.241 (semver)
Affected: 5.15.179 , < 5.15.190 (semver)
Affected: 6.1.131 , < 6.1.148 (semver)
Affected: 6.6.83 , < 6.6.102 (semver)
Affected: 6.12.19 , < 6.12.42 (semver)
Affected: 6.13.7 , < 6.14 (semver)
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Linux Linux Affected: 6.14
Unaffected: 0 , < 6.14 (semver)
Unaffected: 5.4.297 , ≤ 5.4.* (semver)
Unaffected: 5.10.241 , ≤ 5.10.* (semver)
Unaffected: 5.15.190 , ≤ 5.15.* (semver)
Unaffected: 6.1.148 , ≤ 6.1.* (semver)
Unaffected: 6.6.102 , ≤ 6.6.* (semver)
Unaffected: 6.12.42 , ≤ 6.12.* (semver)
Unaffected: 6.15.10 , ≤ 6.15.* (semver)
Unaffected: 6.16.1 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbenet: fix BUG when creating VFs\n\nbenet crashes as soon as SRIOV VFs are created:\n\n kernel BUG at mm/vmalloc.c:3457!\n Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI\n CPU: 4 UID: 0 PID: 7408 Comm: test.sh Kdump: loaded Not tainted 6.16.0+ #1 PREEMPT(voluntary)\n [...]\n RIP: 0010:vunmap+0x5f/0x70\n [...]\n Call Trace:\n  \u003cTASK\u003e\n  __iommu_dma_free+0xe8/0x1c0\n  be_cmd_set_mac_list+0x3fe/0x640 [be2net]\n  be_cmd_set_mac+0xaf/0x110 [be2net]\n  be_vf_eth_addr_config+0x19f/0x330 [be2net]\n  be_vf_setup+0x4f7/0x990 [be2net]\n  be_pci_sriov_configure+0x3a1/0x470 [be2net]\n  sriov_numvfs_store+0x20b/0x380\n  kernfs_fop_write_iter+0x354/0x530\n  vfs_write+0x9b9/0xf60\n  ksys_write+0xf3/0x1d0\n  do_syscall_64+0x8c/0x3d0\n\nbe_cmd_set_mac_list() calls dma_free_coherent() under a spin_lock_bh.\nFix it by freeing only after the lock has been released."
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          "url": "https://git.kernel.org/stable/c/975e73b9102d844a3dc3f091ad631c56145c8b4c"
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      "title": "benet: fix BUG when creating VFs",
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    "assignerShortName": "Linux",
    "cveId": "CVE-2025-38569",
    "datePublished": "2025-08-19T17:02:49.987Z",
    "dateReserved": "2025-04-16T04:51:24.025Z",
    "dateUpdated": "2026-05-23T16:00:06.338Z",
    "state": "PUBLISHED"
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    "epss": {
      "cve": "CVE-2025-38569",
      "date": "2026-11-04",
      "epss": "0.00183",
      "percentile": "0.07936"
    },
    "microsoft_vex": {
      "current_release_date": "2026-02-24T14:35:33.000Z",
      "cve": "CVE-2025-38569",
      "id": "msrc_CVE-2025-38569",
      "initial_release_date": "2025-08-02T00:00:00.000Z",
      "product_status:fixed": "1",
      "product_status:known_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "benet: fix BUG when creating VFs",
      "url": "https://msrc.microsoft.com/csaf/vex/2025/msrc_cve-2025-38569.json",
      "version": "2"
    },
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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbenet: fix BUG when creating VFs\n\nbenet crashes as soon as SRIOV VFs are created:\n\n kernel BUG at mm/vmalloc.c:3457!\n Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI\n CPU: 4 UID: 0 PID: 7408 Comm: test.sh Kdump: loaded Not tainted 6.16.0+ #1 PREEMPT(voluntary)\n [...]\n RIP: 0010:vunmap+0x5f/0x70\n [...]\n Call Trace:\n  \u003cTASK\u003e\n  __iommu_dma_free+0xe8/0x1c0\n  be_cmd_set_mac_list+0x3fe/0x640 [be2net]\n  be_cmd_set_mac+0xaf/0x110 [be2net]\n  be_vf_eth_addr_config+0x19f/0x330 [be2net]\n  be_vf_setup+0x4f7/0x990 [be2net]\n  be_pci_sriov_configure+0x3a1/0x470 [be2net]\n  sriov_numvfs_store+0x20b/0x380\n  kernfs_fop_write_iter+0x354/0x530\n  vfs_write+0x9b9/0xf60\n  ksys_write+0xf3/0x1d0\n  do_syscall_64+0x8c/0x3d0\n\nbe_cmd_set_mac_list() calls dma_free_coherent() under a spin_lock_bh.\nFix it by freeing only after the lock has been released."
          },
          {
            "lang": "es",
            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: benet: se corrige un ERROR al crear VF. benet se bloquea tan pronto como se crean los VF SRIOV: \u00a1ERROR del kernel en mm/vmalloc.c:3457! Oops: c\u00f3digo de operaci\u00f3n no v\u00e1lido: 0000 [#1] SMP KASAN NOPTI CPU: 4 UID: 0 PID: 7408 Comm: test.sh Kdump: cargado No contaminado 6.16.0+ #1 PREEMPT(voluntario) [...] RIP: 0010:vunmap+0x5f/0x70 [...] Rastreo de llamadas:  __iommu_dma_free+0xe8/0x1c0 be_cmd_set_mac_list+0x3fe/0x640 [be2net] be_cmd_set_mac+0xaf/0x110 [be2net] be_vf_eth_addr_config+0x19f/0x330 [be2net] be_vf_setup+0x4f7/0x990 [be2net] be_pci_sriov_configure+0x3a1/0x470 [be2net] sriov_numvfs_store+0x20b/0x380 kernfs_fop_write_iter+0x354/0x530 vfs_write+0x9b9/0xf60 ksys_write+0xf3/0x1d0 do_syscall_64+0x8c/0x3d0 be_cmd_set_mac_list() calls dma_free_coherent() bajo un spin_lock_bh. Para solucionarlo, libere el bloqueo solo despu\u00e9s de liberarlo."
          }
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        "id": "CVE-2025-38569",
        "lastModified": "2026-06-17T09:17:07.763",
        "metrics": {
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                "attackComplexity": "LOW",
                "attackVector": "LOCAL",
                "availabilityImpact": "HIGH",
                "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",
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              "impactScore": 3.6,
              "source": "nvd@nist.gov",
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    "redhat_vex": {
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      "current_release_date": "2026-10-29T07:51:42+00:00",
      "cve": "CVE-2025-38569",
      "id": "CVE-2025-38569",
      "initial_release_date": "2025-08-19T00:00:00+00:00",
      "product_status:known_affected": "184",
      "product_status:known_not_affected": "92",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: benet: fix BUG when creating VFs",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-38569.json",
      "version": "3"
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    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-11-01T01:25:06Z",
      "cve": "CVE-2025-38569",
      "id": "CVE-2025-38569",
      "initial_release_date": "2025-08-19T23:23:44Z",
      "product_status:known_affected": "2",
      "product_status:known_not_affected": "552",
      "product_status:recommended": "203",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-38569",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2025/cve-2025-38569.json",
      "version": "29"
    }
  }
}



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Sightings

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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.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
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Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

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