CVE-2023-52433 (GCVE-0-2023-52433)

Vulnerability from cvelistv5 – Published: 2024-02-20 12:52 – Updated: 2025-10-01 19:12
VLAI?
Title
netfilter: nft_set_rbtree: skip sync GC for new elements in this transaction
Summary
In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: skip sync GC for new elements in this transaction New elements in this transaction might expired before such transaction ends. Skip sync GC for such elements otherwise commit path might walk over an already released object. Once transaction is finished, async GC will collect such expired element.
Severity ?
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-273 - Improper Check for Dropped Privileges
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: cb4d00b563675ba8ff6ef94b077f58d816f68ba3 , < 9db9feb841f7449772f9393c16b9ef4536d8c127 (git)
Affected: c357648929c8dff891502349769aafb8f0452bc2 , < 03caf75da1059f0460666c826e9f50e13dfd0017 (git)
Affected: 146c76866795553dbc19998f36718d7986ad302b , < c323ed65f66e5387ee0a73452118d49f1dae81b8 (git)
Affected: 479a2cf5259347d6a1f658b0f791d27a34908e91 , < 9af7dfb3c9d7985172a240f85e684c5cd33e29ce (git)
Affected: df650d6a4bf47248261b61ef6b174d7c54034d15 , < 9a8c544158f68f656d1734eb5ba00c4f817b76b1 (git)
Affected: f6c383b8c31a93752a52697f8430a71dcbc46adf , < e3213ff99a355cda811b41e8dbb3472d13167a3a (git)
Affected: f6c383b8c31a93752a52697f8430a71dcbc46adf , < 2ee52ae94baabf7ee09cf2a8d854b990dac5d0e4 (git)
Affected: e4d71d6a9c7db93f7bf20c3a0f0659d63d7de681 (git)
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    Linux Linux Affected: 6.5
Unaffected: 0 , < 6.5 (semver)
Unaffected: 6.5.4 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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\"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.5\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.5\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.5.4\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.5.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"net/netfilter/nft_set_rbtree.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/9db9feb841f7449772f9393c16b9ef4536d8c127\"}, {\"url\": \"https://git.kernel.org/stable/c/03caf75da1059f0460666c826e9f50e13dfd0017\"}, {\"url\": \"https://git.kernel.org/stable/c/c323ed65f66e5387ee0a73452118d49f1dae81b8\"}, {\"url\": \"https://git.kernel.org/stable/c/9af7dfb3c9d7985172a240f85e684c5cd33e29ce\"}, {\"url\": \"https://git.kernel.org/stable/c/9a8c544158f68f656d1734eb5ba00c4f817b76b1\"}, {\"url\": \"https://git.kernel.org/stable/c/e3213ff99a355cda811b41e8dbb3472d13167a3a\"}, {\"url\": \"https://git.kernel.org/stable/c/2ee52ae94baabf7ee09cf2a8d854b990dac5d0e4\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nnetfilter: nft_set_rbtree: skip sync GC for new elements in this transaction\\n\\nNew elements in this transaction might expired before such transaction\\nends. Skip sync GC for such elements otherwise commit path might walk\\nover an already released object. Once transaction is finished, async GC\\nwill collect such expired element.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.5.4\", \"versionStartIncluding\": \"6.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6\", \"versionStartIncluding\": \"6.5\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionStartIncluding\": \"6.4.11\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T12:48:59.453Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-52433\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-10-01T19:12:53.363Z\", \"dateReserved\": \"2024-02-20T12:30:33.290Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-02-20T12:52:56.753Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

Author Source Type Date

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.