CVE-2024-54683 (GCVE-0-2024-54683)

Vulnerability from cvelistv5 – Published: 2025-01-11 12:29 – Updated: 2026-05-11 20:53
VLAI
Title
netfilter: IDLETIMER: Fix for possible ABBA deadlock
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: IDLETIMER: Fix for possible ABBA deadlock Deletion of the last rule referencing a given idletimer may happen at the same time as a read of its file in sysfs: | ====================================================== | WARNING: possible circular locking dependency detected | 6.12.0-rc7-01692-g5e9a28f41134-dirty #594 Not tainted | ------------------------------------------------------ | iptables/3303 is trying to acquire lock: | ffff8881057e04b8 (kn->active#48){++++}-{0:0}, at: __kernfs_remove+0x20 | | but task is already holding lock: | ffffffffa0249068 (list_mutex){+.+.}-{3:3}, at: idletimer_tg_destroy_v] | | which lock already depends on the new lock. A simple reproducer is: | #!/bin/bash | | while true; do | iptables -A INPUT -i foo -j IDLETIMER --timeout 10 --label "testme" | iptables -D INPUT -i foo -j IDLETIMER --timeout 10 --label "testme" | done & | while true; do | cat /sys/class/xt_idletimer/timers/testme >/dev/null | done Avoid this by freeing list_mutex right after deleting the element from the list, then continuing with the teardown.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 0902b469bd25065aa0688c3cee6f11744c817e7c , < 8c2c8445cda8f59c38dec7dc10509bcb23ae26a0 (git)
Affected: 0902b469bd25065aa0688c3cee6f11744c817e7c , < 45fe76573a2557f632e248cc141342233f422b9a (git)
Affected: 0902b469bd25065aa0688c3cee6f11744c817e7c , < f36b01994d68ffc253c8296e2228dfe6e6431c03 (git)
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Linux Linux Affected: 2.6.36
Unaffected: 0 , < 2.6.36 (semver)
Unaffected: 6.6.67 , ≤ 6.6.* (semver)
Unaffected: 6.12.6 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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Un reproductor simple es: | #!/bin/bash | | mientras es verdadero; hacer | iptables -A INPUT -i foo -j IDLETIMER --timeout 10 --label \\\"testme\\\" | iptables -D INPUT -i foo -j IDLETIMER --timeout 10 --label \\\"testme\\\" | hecho \u0026amp; | mientras es verdadero; hacer | cat /sys/class/xt_idletimer/timers/testme \u0026gt;/dev/null | Evite esto liberando list_mutex inmediatamente despu\u00e9s de eliminar el elemento de la lista y luego contin\u00fae con el desmontaje.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"net/netfilter/xt_IDLETIMER.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"0902b469bd25065aa0688c3cee6f11744c817e7c\",\"lessThan\":\"8c2c8445cda8f59c38dec7dc10509bcb23ae26a0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0902b469bd25065aa0688c3cee6f11744c817e7c\",\"lessThan\":\"45fe76573a2557f632e248cc141342233f422b9a\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"0902b469bd25065aa0688c3cee6f11744c817e7c\",\"lessThan\":\"f36b01994d68ffc253c8296e2228dfe6e6431c03\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"net/netfilter/xt_IDLETIMER.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"2.6.36\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"2.6.36\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.67\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.6\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.13\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2025-10-01T19:55:27.468543Z\",\"id\":\"CVE-2024-54683\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-667\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-667\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.6.36\",\"versionEndExcluding\":\"6.6.67\",\"matchCriteriaId\":\"04498663-FC2C-477E-9F63-68E556076CB8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.6\",\"matchCriteriaId\":\"0CB1A9BB-F95E-43DD-A2FD-147912FD91E5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"62567B3C-6CEE-46D0-BC2E-B3717FBF7D13\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"5A073481-106D-4B15-B4C7-FB0213B8E1D4\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/45fe76573a2557f632e248cc141342233f422b9a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8c2c8445cda8f59c38dec7dc10509bcb23ae26a0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f36b01994d68ffc253c8296e2228dfe6e6431c03\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "redhat_vex": {
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      "cve": "CVE-2024-54683",
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    },
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.5, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"NONE\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-54683\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-10-01T19:55:27.468543Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-667\", \"description\": \"CWE-667 Improper Locking\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-10-01T15:53:07.135Z\"}}], \"cna\": {\"title\": \"netfilter: IDLETIMER: Fix for possible ABBA deadlock\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"0902b469bd25065aa0688c3cee6f11744c817e7c\", \"lessThan\": \"8c2c8445cda8f59c38dec7dc10509bcb23ae26a0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0902b469bd25065aa0688c3cee6f11744c817e7c\", \"lessThan\": \"45fe76573a2557f632e248cc141342233f422b9a\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0902b469bd25065aa0688c3cee6f11744c817e7c\", \"lessThan\": \"f36b01994d68ffc253c8296e2228dfe6e6431c03\", \"versionType\": \"git\"}], \"programFiles\": [\"net/netfilter/xt_IDLETIMER.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"2.6.36\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"2.6.36\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.67\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.12.*\"}, {\"status\": \"unaffected\", \"version\": \"6.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/netfilter/xt_IDLETIMER.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/8c2c8445cda8f59c38dec7dc10509bcb23ae26a0\"}, {\"url\": \"https://git.kernel.org/stable/c/45fe76573a2557f632e248cc141342233f422b9a\"}, {\"url\": \"https://git.kernel.org/stable/c/f36b01994d68ffc253c8296e2228dfe6e6431c03\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfilter: IDLETIMER: Fix for possible ABBA deadlock\\n\\nDeletion of the last rule referencing a given idletimer may happen at\\nthe same time as a read of its file in sysfs:\\n\\n| ======================================================\\n| WARNING: possible circular locking dependency detected\\n| 6.12.0-rc7-01692-g5e9a28f41134-dirty #594 Not tainted\\n| ------------------------------------------------------\\n| iptables/3303 is trying to acquire lock:\\n| ffff8881057e04b8 (kn-\u003eactive#48){++++}-{0:0}, at: __kernfs_remove+0x20\\n|\\n| but task is already holding lock:\\n| ffffffffa0249068 (list_mutex){+.+.}-{3:3}, at: idletimer_tg_destroy_v]\\n|\\n| which lock already depends on the new lock.\\n\\nA simple reproducer is:\\n\\n| #!/bin/bash\\n|\\n| while true; do\\n|         iptables -A INPUT -i foo -j IDLETIMER --timeout 10 --label \\\"testme\\\"\\n|         iptables -D INPUT -i foo -j IDLETIMER --timeout 10 --label \\\"testme\\\"\\n| done \u0026\\n| while true; do\\n|         cat /sys/class/xt_idletimer/timers/testme \u003e/dev/null\\n| done\\n\\nAvoid this by freeing list_mutex right after deleting the element from\\nthe list, then continuing with the teardown.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.67\", \"versionStartIncluding\": \"2.6.36\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12.6\", \"versionStartIncluding\": \"2.6.36\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.13\", \"versionStartIncluding\": \"2.6.36\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:57:10.479Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-54683\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-01T19:57:21.581Z\", \"dateReserved\": \"2025-01-09T09:49:29.693Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2025-01-11T12:29:54.407Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.