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CVE-2025-40039 ksmbd: Fix race condition in RPC handle list access

🗓️ 28 Oct 2025 11:48:19Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 13 Views

ksmbd fixes race in sess->rpc_handle_list XArray using write locks for updates and read locks for lookups.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2025-40039
28 Oct 202511:48
attackerkb
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 6.1
10 Aug 202607:11
astralinux
bdu_fstec
BDU FSTEC
The vulnerability of the ksmbd component in the Linux operating system’s kernel allows a hacker to trigger a service failure.
12 Aug 202600:00
bdu_fstec
circl
Circl
CVE-2025-40039
19 Mar 202600:00
circl
cnnvd
CNNVD
Linux kernel 安全漏洞
28 Oct 202500:00
cnnvd
cve
CVE
CVE-2025-40039
28 Oct 202511:48
cve
debian
Debian
[SECURITY] [DLA 4476-1] linux-6.1 security update
11 Feb 202612:48
debian
debian
Debian
[SECURITY] [DSA 6127-1] linux security update
9 Feb 202619:19
debian
debiancve
Debian CVE
CVE-2025-40039
28 Oct 202511:48
debiancve
nessus
Tenable Nessus
Debian dla-4476 : linux-config-6.1 - security update
11 Feb 202600:00
nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/mgmt/user_session.c"
    ],
    "versions": [
      {
        "version": "a4348710a7267705b75692dc1a000920481d1d92",
        "lessThan": "69674b029002b1d90b655f014bdf64f404efa54d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b685757c7b08d5073046fb379be965fd6c06aafc",
        "lessThan": "6b615a8fb3af0baf8126cde3d4fee97d57222ffc",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b685757c7b08d5073046fb379be965fd6c06aafc",
        "lessThan": "5cc679ba0f4505936124cd4179ba66bb0a4bd9f3",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b685757c7b08d5073046fb379be965fd6c06aafc",
        "lessThan": "6bd7e0e55dcea2cf0d391bbc21c2eb069b4be3e1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "b685757c7b08d5073046fb379be965fd6c06aafc",
        "lessThan": "305853cce379407090a73b38c5de5ba748893aee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "1f485b54d04a920723984062c912174330a05178",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "052b41ef2abe274f068e892aee81406f11bd1f3a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.15.145",
        "lessThan": "5.16",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/smb/server/mgmt/user_session.c"
    ],
    "versions": [
      {
        "version": "6.3",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.3",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.123",
        "lessThanOrEqual": "6.6.*",
        "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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05 Aug 2026 12:07Current
CVSS 3.18.8
EPSS0.00301
13