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CVE-2025-40242

🗓️ 04 Dec 2025 15:31:31Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov👁 14 Views

CVE-2025-40242 fixes a race in gdlm_put_lock; glock is freed only after lockspace release to avoid dereferencing freed objects.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2025-40242
4 Dec 202515:31
–attackerkb
AstraLinux		 Astra Linux - уязвимость в linux-6.12
13 Jan 202614:01
–astralinux
Circl		CVE-2025-40242
19 Mar 202600:00
–circl
CNNVD		Linux kernel 安全漏洞
4 Dec 202500:00
–cnnvd
Cvelist		CVE-2025-40242 gfs2: Fix unlikely race in gdlm_put_lock
4 Dec 202515:31
–cvelist
Debian		[SECURITY] [DLA 4561-1] linux-6.1 security update
2 May 202608:40
–debian
Debian		[SECURITY] [DSA 6243-1] linux security update
1 May 202619:10
–debian
Debian CVE		CVE-2025-40242
4 Dec 202515:31
–debiancve
Tenable Nessus		Debian dla-4561 : linux-config-6.1 - security update
2 May 202600:00
–nessus
Tenable Nessus		Debian dsa-6243 : affs-modules-6.1.0-44-4kc-malta-di - security update
2 May 202600:00
–nessus
Rows per page
Vulners
CNA
Node
linuxlinux_kernelRange4.4.284–4.5
OR
linuxlinux_kernelRange4.9.283–4.10
OR
linuxlinux_kernelRange4.14.247–4.15
OR
linuxlinux_kernelRange4.19.207–4.20
OR
linuxlinux_kernelRange5.4.148–5.5
OR
linuxlinux_kernelRange5.10.67–5.11
OR
linuxlinux_kernelRange5.13.19–5.14
OR
linuxlinux_kernelRange5.14.6–5.15
OR
linuxlinux_kernelRange5.15–6.1.168
OR
linuxlinux_kernelRange6.2.0–6.6.131
OR
linuxlinux_kernelRange6.7.0–6.12.56
OR
linuxlinux_kernelRange6.13.0–6.17.6
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": [
      "fs/gfs2/lock_dlm.c"
    ],
    "versions": [
      {
        "version": "d1340f80f0b8066321b499a376780da00560e857",
        "lessThan": "5fdc1474e678eea1700aa266c0b7c2c96f81dd0d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d1340f80f0b8066321b499a376780da00560e857",
        "lessThan": "4913592a3358f6ec366b8346b733d5e2360b08e1",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d1340f80f0b8066321b499a376780da00560e857",
        "lessThan": "279bde3bbb0ac0bad5c729dfa85983d75a5d7641",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d1340f80f0b8066321b499a376780da00560e857",
        "lessThan": "64c61b4ac645222fa7b724cef616c1f862a72a40",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "d1340f80f0b8066321b499a376780da00560e857",
        "lessThan": "28c4d9bc0708956c1a736a9e49fee71b65deee81",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6aa628c45875e7b8cca81ed9447a12a0e8f3504a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a97e75203733be0a4263a78fb7b29352be150c1c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3554b46204e67333e1fb8be0e93936fb08267c80",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5cff77b9827a956d076168b56775aad23bce87e4",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "8deedce385d220f90e435f534d71d27526273515",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "2225a5cd2fbc2ef0e0f78e585db3844f60416a39",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "02e838963fdaa6ce8570b5389aecdc6cf1fb40b0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "01eb3106f43335fdc02111358dae80a5c3fd324d",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4.4.284",
        "lessThan": "4.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.9.283",
        "lessThan": "4.10",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.14.247",
        "lessThan": "4.15",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "4.19.207",
        "lessThan": "4.20",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.4.148",
        "lessThan": "5.5",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.10.67",
        "lessThan": "5.11",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.13.19",
        "lessThan": "5.14",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "5.14.6",
        "lessThan": "5.15",
        "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/gfs2/lock_dlm.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.168",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.131",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.56",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.6",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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23 May 2026 16:01Current
6Medium risk
Vulners AI Score6
EPSS0.00029
gfs2gdlm put locklockspace releaseglock dereferenceunmount flag
14