Vulnerability-Lookup

CVE-2024-41012 (GCVE-0-2024-41012)

Vulnerability from cvelistv5 – Published: 2024-07-23 08:06 – Updated: 2026-08-05 11:34

Title

filelock: Remove locks reliably when fcntl/close race is detected

Summary

In the Linux kernel, the following vulnerability has been resolved: filelock: Remove locks reliably when fcntl/close race is detected When fcntl_setlk() races with close(), it removes the created lock with do_lock_file_wait(). However, LSMs can allow the first do_lock_file_wait() that created the lock while denying the second do_lock_file_wait() that tries to remove the lock. Separately, posix_lock_file() could also fail to remove a lock due to GFP_KERNEL allocation failure (when splitting a range in the middle). After the bug has been triggered, use-after-free reads will occur in lock_get_status() when userspace reads /proc/locks. This can likely be used to read arbitrary kernel memory, but can't corrupt kernel memory. Fix it by calling locks_remove_posix() instead, which is designed to reliably get rid of POSIX locks associated with the given file and files_struct and is also used by filp_flush().

Severity

7.8 (High)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-10 16:25 UTC

Assigner

Linux mitre root

References

9 references

URL	Tags
https://git.kernel.org/stable/c/d30ff33040834c3b9…
https://git.kernel.org/stable/c/dc2ce1dfceaa07672…
https://git.kernel.org/stable/c/5661b9c7ec189406c…
https://git.kernel.org/stable/c/52c87ab18c76c14d7…
https://git.kernel.org/stable/c/ef8fc41cd6f95f9a4…
https://git.kernel.org/stable/c/5f5d0799eb0a01d55…
https://git.kernel.org/stable/c/b6d223942c34057fd…
https://git.kernel.org/stable/c/3cad1bc010416c6dd…
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

2 products

Vendor	Product	Version	CPE status
Linux	Linux	Affected: c293621bbf678a3d85e3ed721c3921c8a670610d , < d30ff33040834c3b9eee29740acd92f9c7ba2250 (git) Affected: c293621bbf678a3d85e3ed721c3921c8a670610d , < dc2ce1dfceaa0767211a9d963ddb029ab21c4235 (git) Affected: c293621bbf678a3d85e3ed721c3921c8a670610d , < 5661b9c7ec189406c2dde00837aaa4672efb6240 (git) Affected: c293621bbf678a3d85e3ed721c3921c8a670610d , < 52c87ab18c76c14d7209646ccb3283b3f5d87b22 (git) Affected: c293621bbf678a3d85e3ed721c3921c8a670610d , < ef8fc41cd6f95f9a4a3470f085aecf350569a0b3 (git) Affected: c293621bbf678a3d85e3ed721c3921c8a670610d , < 5f5d0799eb0a01d550c21b7894e26b2d9db55763 (git) Affected: c293621bbf678a3d85e3ed721c3921c8a670610d , < b6d223942c34057fdfd8f149e763fa823731b224 (git) Affected: c293621bbf678a3d85e3ed721c3921c8a670610d , < 3cad1bc010416c6dd780643476bc59ed742436b9 (git)	guessed
Linux	Linux	Affected: 2.6.13 Unaffected: 0 , < 2.6.13 (semver) Unaffected: 4.19.319 , ≤ 4.19.* (semver) Unaffected: 5.4.281 , ≤ 5.4.* (semver) Unaffected: 5.10.223 , ≤ 5.10.* (semver) Unaffected: 5.15.164 , ≤ 5.15.* (semver) Unaffected: 6.1.101 , ≤ 6.1.* (semver) Unaffected: 6.6.42 , ≤ 6.6.* (semver) Unaffected: 6.9.9 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix)	guessed

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      "descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nfilelock: Remove locks reliably when fcntl/close race is detected\\n\\nWhen fcntl_setlk() races with close(), it removes the created lock with\\ndo_lock_file_wait().\\nHowever, LSMs can allow the first do_lock_file_wait() that created the lock\\nwhile denying the second do_lock_file_wait() that tries to remove the lock.\\nSeparately, posix_lock_file() could also fail to\\nremove a lock due to GFP_KERNEL allocation failure (when splitting a range\\nin the middle).\\n\\nAfter the bug has been triggered, use-after-free reads will occur in\\nlock_get_status() when userspace reads /proc/locks. This can likely be used\\nto read arbitrary kernel memory, but can\u0027t corrupt kernel memory.\\n\\nFix it by calling locks_remove_posix() instead, which is designed to\\nreliably get rid of POSIX locks associated with the given file and\\nfiles_struct and is also used by filp_flush().\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: filelock: Elimina bloqueos de manera confiable cuando se detecta fcntl/close race Cuando fcntl_setlk() corre con close(), elimina el bloqueo creado con do_lock_file_wait(). Sin embargo, los LSM pueden permitir el primer do_lock_file_wait() que cre\\u00f3 el bloqueo y al mismo tiempo negar el segundo do_lock_file_wait() que intenta eliminar el bloqueo. Por separado, posix_lock_file() tambi\\u00e9n podr\\u00eda no eliminar un bloqueo debido a un fallo en la asignaci\\u00f3n de GFP_KERNEL (al dividir un rango por la mitad). Despu\\u00e9s de que se haya activado el error, se producir\\u00e1n lecturas de use-after-free en lock_get_status() cuando el espacio de usuario lea /proc/locks. Es probable que esto se pueda usar para leer memoria del kernel arbitraria, pero no puede da\\u00f1ar la memoria del kernel. Solucionelo llamando a locks_remove_posix() en su lugar, que est\\u00e1 dise\\u00f1ado para deshacerse de manera confiable de los bloqueos POSIX asociados con el archivo dado y files_struct y tambi\\u00e9n lo usa filp_flush().\"}]",
      "id": "CVE-2024-41012",
      "lastModified": "2024-11-21T09:32:03.867",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H\", \"baseScore\": 6.3, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.0, \"impactScore\": 5.2}]}",
      "published": "2024-07-23T08:15:01.877",
      "references": "[{\"url\": \"https://git.kernel.org/stable/c/3cad1bc010416c6dd780643476bc59ed742436b9\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/52c87ab18c76c14d7209646ccb3283b3f5d87b22\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/5661b9c7ec189406c2dde00837aaa4672efb6240\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/5f5d0799eb0a01d550c21b7894e26b2d9db55763\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/b6d223942c34057fdfd8f149e763fa823731b224\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/d30ff33040834c3b9eee29740acd92f9c7ba2250\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/dc2ce1dfceaa0767211a9d963ddb029ab21c4235\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/ef8fc41cd6f95f9a4a3470f085aecf350569a0b3\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/3cad1bc010416c6dd780643476bc59ed742436b9\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/52c87ab18c76c14d7209646ccb3283b3f5d87b22\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/5661b9c7ec189406c2dde00837aaa4672efb6240\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/5f5d0799eb0a01d550c21b7894e26b2d9db55763\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/b6d223942c34057fdfd8f149e763fa823731b224\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/d30ff33040834c3b9eee29740acd92f9c7ba2250\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/dc2ce1dfceaa0767211a9d963ddb029ab21c4235\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/ef8fc41cd6f95f9a4a3470f085aecf350569a0b3\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}]",
      "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-416\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2024-41012\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-23T08:15:01.877\",\"lastModified\":\"2026-08-04T11:19:16.620\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nfilelock: Remove locks reliably when fcntl/close race is detected\\n\\nWhen fcntl_setlk() races with close(), it removes the created lock with\\ndo_lock_file_wait().\\nHowever, LSMs can allow the first do_lock_file_wait() that created the lock\\nwhile denying the second do_lock_file_wait() that tries to remove the lock.\\nSeparately, posix_lock_file() could also fail to\\nremove a lock due to GFP_KERNEL allocation failure (when splitting a range\\nin the middle).\\n\\nAfter the bug has been triggered, use-after-free reads will occur in\\nlock_get_status() when userspace reads /proc/locks. This can likely be used\\nto read arbitrary kernel memory, but can\u0027t corrupt kernel memory.\\n\\nFix it by calling locks_remove_posix() instead, which is designed to\\nreliably get rid of POSIX locks associated with the given file and\\nfiles_struct and is also used by filp_flush().\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: filelock: Elimina bloqueos de manera confiable cuando se detecta fcntl/close race Cuando fcntl_setlk() corre con close(), elimina el bloqueo creado con do_lock_file_wait(). Sin embargo, los LSM pueden permitir el primer do_lock_file_wait() que cre\u00f3 el bloqueo y al mismo tiempo negar el segundo do_lock_file_wait() que intenta eliminar el bloqueo. Por separado, posix_lock_file() tambi\u00e9n podr\u00eda no eliminar un bloqueo debido a un fallo en la asignaci\u00f3n de GFP_KERNEL (al dividir un rango por la mitad). Despu\u00e9s de que se haya activado el error, se producir\u00e1n lecturas de use-after-free en lock_get_status() cuando el espacio de usuario lea /proc/locks. Es probable que esto se pueda usar para leer memoria del kernel arbitraria, pero no puede da\u00f1ar la memoria del kernel. Solucionelo llamando a locks_remove_posix() en su lugar, que est\u00e1 dise\u00f1ado para deshacerse de manera confiable de los bloqueos POSIX asociados con el archivo dado y files_struct y tambi\u00e9n lo usa 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      "status": "interim",
      "title": "SUSE CVE CVE-2024-41012",
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}

FKIE_CVE-2024-41012

Vulnerability from fkie_nvd - Published: 2024-07-23 08:15 - Updated: 2026-08-04 11:19

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.3 (Medium) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

Summary

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3cad1bc010416c6dd780643476bc59ed742436b9	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/52c87ab18c76c14d7209646ccb3283b3f5d87b22	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5661b9c7ec189406c2dde00837aaa4672efb6240	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5f5d0799eb0a01d550c21b7894e26b2d9db55763	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b6d223942c34057fdfd8f149e763fa823731b224	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d30ff33040834c3b9eee29740acd92f9c7ba2250	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/dc2ce1dfceaa0767211a9d963ddb029ab21c4235	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ef8fc41cd6f95f9a4a3470f085aecf350569a0b3	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/3cad1bc010416c6dd780643476bc59ed742436b9	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/52c87ab18c76c14d7209646ccb3283b3f5d87b22	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/5661b9c7ec189406c2dde00837aaa4672efb6240	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/5f5d0799eb0a01d550c21b7894e26b2d9db55763	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/b6d223942c34057fdfd8f149e763fa823731b224	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/d30ff33040834c3b9eee29740acd92f9c7ba2250	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/dc2ce1dfceaa0767211a9d963ddb029ab21c4235	Patch
af854a3a-2127-422b-91ae-364da2661108	https://git.kernel.org/stable/c/ef8fc41cd6f95f9a4a3470f085aecf350569a0b3	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.10
linux	linux_kernel	6.10
linux	linux_kernel	6.10
linux	linux_kernel	6.10
linux	linux_kernel	6.10
linux	linux_kernel	6.10

JSON

To clipboard

{
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          "product": "Linux",
          "programFiles": [
            "fs/locks.c"
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              "version": "2.6.13"
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              "version": "4.19.319",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.4.*",
              "status": "unaffected",
              "version": "5.4.281",
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            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.223",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.164",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.101",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.42",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.9.*",
              "status": "unaffected",
              "version": "6.9.9",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "6.10",
              "versionType": "original_commit_for_fix"
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        }
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      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfilelock: Remove locks reliably when fcntl/close race is detected\n\nWhen fcntl_setlk() races with close(), it removes the created lock with\ndo_lock_file_wait().\nHowever, LSMs can allow the first do_lock_file_wait() that created the lock\nwhile denying the second do_lock_file_wait() that tries to remove the lock.\nSeparately, posix_lock_file() could also fail to\nremove a lock due to GFP_KERNEL allocation failure (when splitting a range\nin the middle).\n\nAfter the bug has been triggered, use-after-free reads will occur in\nlock_get_status() when userspace reads /proc/locks. This can likely be used\nto read arbitrary kernel memory, but can\u0027t corrupt kernel memory.\n\nFix it by calling locks_remove_posix() instead, which is designed to\nreliably get rid of POSIX locks associated with the given file and\nfiles_struct and is also used by filp_flush()."
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: filelock: Elimina bloqueos de manera confiable cuando se detecta fcntl/close race Cuando fcntl_setlk() corre con close(), elimina el bloqueo creado con do_lock_file_wait(). Sin embargo, los LSM pueden permitir el primer do_lock_file_wait() que cre\u00f3 el bloqueo y al mismo tiempo negar el segundo do_lock_file_wait() que intenta eliminar el bloqueo. Por separado, posix_lock_file() tambi\u00e9n podr\u00eda no eliminar un bloqueo debido a un fallo en la asignaci\u00f3n de GFP_KERNEL (al dividir un rango por la mitad). Despu\u00e9s de que se haya activado el error, se producir\u00e1n lecturas de use-after-free en lock_get_status() cuando el espacio de usuario lea /proc/locks. Es probable que esto se pueda usar para leer memoria del kernel arbitraria, pero no puede da\u00f1ar la memoria del kernel. Solucionelo llamando a locks_remove_posix() en su lugar, que est\u00e1 dise\u00f1ado para deshacerse de manera confiable de los bloqueos POSIX asociados con el archivo dado y files_struct y tambi\u00e9n lo usa filp_flush()."
    }
  ],
  "id": "CVE-2024-41012",
  "lastModified": "2026-08-04T11:19:16.620",
  "metrics": {
    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
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          "confidentialityImpact": "HIGH",
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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        "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "type": "Secondary"
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      {
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          "availabilityImpact": "HIGH",
          "baseScore": 6.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
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          "userInteraction": "NONE",
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          "version": "3.1"
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        "source": "nvd@nist.gov",
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          "role": "CISA Coordinator",
          "timestamp": "2024-09-10T16:25:02.584247Z",
          "version": "2.0.3"
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  "published": "2024-07-23T08:15:01.877",
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    },
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    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-C77M-WH63-VHCH

Vulnerability from github – Published: 2024-07-23 09:30 – Updated: 2025-11-04 00:30

Details

In the Linux kernel, the following vulnerability has been resolved:

filelock: Remove locks reliably when fcntl/close race is detected

When fcntl_setlk() races with close(), it removes the created lock with do_lock_file_wait(). However, LSMs can allow the first do_lock_file_wait() that created the lock while denying the second do_lock_file_wait() that tries to remove the lock. Separately, posix_lock_file() could also fail to remove a lock due to GFP_KERNEL allocation failure (when splitting a range in the middle).

After the bug has been triggered, use-after-free reads will occur in lock_get_status() when userspace reads /proc/locks. This can likely be used to read arbitrary kernel memory, but can't corrupt kernel memory.

Fix it by calling locks_remove_posix() instead, which is designed to reliably get rid of POSIX locks associated with the given file and files_struct and is also used by filp_flush().

Severity

6.3 (Medium)


                  
                    CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2024-41012"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-07-23T08:15:01Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nfilelock: Remove locks reliably when fcntl/close race is detected\n\nWhen fcntl_setlk() races with close(), it removes the created lock with\ndo_lock_file_wait().\nHowever, LSMs can allow the first do_lock_file_wait() that created the lock\nwhile denying the second do_lock_file_wait() that tries to remove the lock.\nSeparately, posix_lock_file() could also fail to\nremove a lock due to GFP_KERNEL allocation failure (when splitting a range\nin the middle).\n\nAfter the bug has been triggered, use-after-free reads will occur in\nlock_get_status() when userspace reads /proc/locks. This can likely be used\nto read arbitrary kernel memory, but can\u0027t corrupt kernel memory.\n\nFix it by calling locks_remove_posix() instead, which is designed to\nreliably get rid of POSIX locks associated with the given file and\nfiles_struct and is also used by filp_flush().",
  "id": "GHSA-c77m-wh63-vhch",
  "modified": "2025-11-04T00:30:58Z",
  "published": "2024-07-23T09:30:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-41012"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3cad1bc010416c6dd780643476bc59ed742436b9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/52c87ab18c76c14d7209646ccb3283b3f5d87b22"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5661b9c7ec189406c2dde00837aaa4672efb6240"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5f5d0799eb0a01d550c21b7894e26b2d9db55763"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b6d223942c34057fdfd8f149e763fa823731b224"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d30ff33040834c3b9eee29740acd92f9c7ba2250"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dc2ce1dfceaa0767211a9d963ddb029ab21c4235"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ef8fc41cd6f95f9a4a3470f085aecf350569a0b3"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

ICSA-25-226-07

Vulnerability from csaf_cisa - Published: 2025-08-12 00:00 - Updated: 2026-02-25 07:00

Summary

Siemens Third-Party Components in SINEC OS

Scope

486 vulnerabilities in this advisory, including CVE-2024-41012.

CVE-2024-41012

Known not affected: 3 products

Open the full advisory

ICSA-25-226-15

Vulnerability from csaf_cisa - Published: 2025-08-12 00:00 - Updated: 2026-02-25 07:00

Summary

Siemens SINEC OS

Scope

381 vulnerabilities in this advisory, including CVE-2024-41012.

CVE-2024-41012

6.3 (Medium)


                
                  CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C

Known affected: 2 products Known not affected: 1 product

https://support.industry.siemens.com/cs/ww/en/view/109977557/

Open the full advisory

RHSA-2024:7000

Vulnerability from csaf_redhat - Published: 2024-09-24 02:39 - Updated: 2026-09-13 08:46

Summary

Red Hat Security Advisory: kernel security update

Severity

Important

Scope

151 vulnerabilities in this advisory, including CVE-2024-41012.

CVE-2024-41012

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Fixed: 120 products

https://access.redhat.com/errata/RHSA-2024:7000

Open the full advisory

RHSA-2024:7001

Vulnerability from csaf_redhat - Published: 2024-09-24 00:40 - Updated: 2026-09-13 08:28

Summary

Red Hat Security Advisory: kernel-rt security update

Severity

Important

Scope

129 vulnerabilities in this advisory, including CVE-2024-41012.

CVE-2024-41012

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Fixed: 30 products

https://access.redhat.com/errata/RHSA-2024:7001

Open the full advisory

RHSA-2024:9315

Vulnerability from csaf_redhat - Published: 2024-11-12 09:11 - Updated: 2026-09-13 08:43

Summary

Red Hat Security Advisory: kernel security update

Severity

Moderate

Scope

594 vulnerabilities in this advisory, including CVE-2024-41012.

CVE-2024-41012

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Fixed: 280 products Known not affected: 8 products

https://access.redhat.com/errata/RHSA-2024:9315

Open the full advisory

RHSA-2024_7000

Vulnerability from csaf_redhat - Published: 2024-09-24 02:39 - Updated: 2024-12-11 21:53

Summary

Red Hat Security Advisory: kernel security update

Severity

Important

Scope

145 vulnerabilities in this advisory, including CVE-2024-41012.

CVE-2024-41012

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Fixed: 214 products

https://access.redhat.com/errata/RHSA-2024:7000

Open the full advisory

RHSA-2024_7001

Vulnerability from csaf_redhat - Published: 2024-09-24 00:40 - Updated: 2024-12-11 21:53

Summary

Red Hat Security Advisory: kernel-rt security update

Severity

Important

Scope

129 vulnerabilities in this advisory, including CVE-2024-41012.

CVE-2024-41012

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Fixed: 32 products

https://access.redhat.com/errata/RHSA-2024:7001

Open the full advisory

RHSA-2024_9315

Vulnerability from csaf_redhat - Published: 2024-11-12 09:11 - Updated: 2024-12-17 19:00

Summary

Red Hat Security Advisory: kernel security update

Severity

Moderate

Scope

479 vulnerabilities in this advisory, including CVE-2024-41012.

CVE-2024-41012

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Fixed: 870 products Known not affected: 20 products

https://access.redhat.com/errata/RHSA-2024:9315

Open the full advisory

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2024-41012 (GCVE-0-2024-41012)

Tags

Sightings

Nomenclature