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CVE-2025-40004

🗓️ 20 Oct 2025 05:26:08Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views

The Linux kernel fixes a buffer overflow in the USB 9pfs transport layer by validating actual data size before memcpy.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
AstraLinux
Astra Linux - уязвимость в linux-5.10
20 May 202605:53
astralinux
Circl
CVE-2025-40004
20 Oct 202507:18
circl
CNNVD
Linux kernel 安全漏洞
20 Oct 202500:00
cnnvd
Cvelist
CVE-2025-40004 net/9p: Fix buffer overflow in USB transport layer
20 Oct 202505:26
cvelist
Debian CVE
CVE-2025-40004
20 Oct 202505:26
debiancve
EUVD
EUVD-2025-35036
20 Oct 202506:30
euvd
NVD
CVE-2025-40004
20 Oct 202506:15
nvd
OPENSUSE Linux
kernel-devel-6.17.5-1.1 on GA media (moderate)
28 Oct 202500:00
opensuse
OpenVAS
Ubuntu: Security Advisory (USN-8029-1)
13 Feb 202600:00
openvas
OpenVAS
Ubuntu: Security Advisory (USN-8029-2)
19 Feb 202600:00
openvas
Rows per page
Vulners
CNA
Node
linuxlinux_kernelRange6.126.12.53
OR
linuxlinux_kernelRange6.13.06.17.3
OR
linuxlinux_kernelRange6.18.0
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/9p/trans_usbg.c"
    ],
    "versions": [
      {
        "version": "a3be076dc174d9022a71a12554feb4c97b5c4d5c",
        "lessThan": "0da18d49f874d444ad83c8a546fa33bfcf2f582c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a3be076dc174d9022a71a12554feb4c97b5c4d5c",
        "lessThan": "df8462f0fc045b4475dc494a5787a03c972ba2a2",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a3be076dc174d9022a71a12554feb4c97b5c4d5c",
        "lessThan": "c04db81cd0288dfc68b7a0f7d09bd49b40bba451",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "net/9p/trans_usbg.c"
    ],
    "versions": [
      {
        "version": "6.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.53",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.3",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 21:40Current
6.6Medium risk
Vulners AI Score6.6
EPSS0.00028
10