CVE-2023-52679 (GCVE-0-2023-52679)

Vulnerability from cvelistv5 – Published: 2024-05-17 14:24 – Updated: 2025-05-04 07:41
VLAI?
Title
of: Fix double free in of_parse_phandle_with_args_map
Summary
In the Linux kernel, the following vulnerability has been resolved: of: Fix double free in of_parse_phandle_with_args_map In of_parse_phandle_with_args_map() the inner loop that iterates through the map entries calls of_node_put(new) to free the reference acquired by the previous iteration of the inner loop. This assumes that the value of "new" is NULL on the first iteration of the inner loop. Make sure that this is true in all iterations of the outer loop by setting "new" to NULL after its value is assigned to "cur". Extend the unittest to detect the double free and add an additional test case that actually triggers this path.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: bd6f2fd5a1d52198468c5cdc3c2472362dff5aaa , < 26b4d702c44f9e5cf3c5c001ae619a4a001889db (git)
Affected: bd6f2fd5a1d52198468c5cdc3c2472362dff5aaa , < a0a061151a6200c13149dbcdb6c065203c8425d2 (git)
Affected: bd6f2fd5a1d52198468c5cdc3c2472362dff5aaa , < d5f490343c77e6708b6c4aa7dbbfbcbb9546adea (git)
Affected: bd6f2fd5a1d52198468c5cdc3c2472362dff5aaa , < 4541004084527ce9e95a818ebbc4e6b293ffca21 (git)
Affected: bd6f2fd5a1d52198468c5cdc3c2472362dff5aaa , < b9d760dae5b10e73369b769073525acd7b3be2bd (git)
Affected: bd6f2fd5a1d52198468c5cdc3c2472362dff5aaa , < b64d09a4e8596f76d27f4b4a90a1cf6baf6a82f8 (git)
Affected: bd6f2fd5a1d52198468c5cdc3c2472362dff5aaa , < cafa992134124e785609a406da4ff2b54052aff7 (git)
Affected: bd6f2fd5a1d52198468c5cdc3c2472362dff5aaa , < 4dde83569832f9377362e50f7748463340c5db6b (git)
Create a notification for this product.
    Linux Linux Affected: 4.17
Unaffected: 0 , < 4.17 (semver)
Unaffected: 4.19.306 , ≤ 4.19.* (semver)
Unaffected: 5.4.268 , ≤ 5.4.* (semver)
Unaffected: 5.10.209 , ≤ 5.10.* (semver)
Unaffected: 5.15.148 , ≤ 5.15.* (semver)
Unaffected: 6.1.75 , ≤ 6.1.* (semver)
Unaffected: 6.6.14 , ≤ 6.6.* (semver)
Unaffected: 6.7.2 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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\"bippy-5f407fcff5a0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nof: Fix double free in of_parse_phandle_with_args_map\\n\\nIn of_parse_phandle_with_args_map() the inner loop that\\niterates through the map entries calls of_node_put(new)\\nto free the reference acquired by the previous iteration\\nof the inner loop. This assumes that the value of \\\"new\\\" is\\nNULL on the first iteration of the inner loop.\\n\\nMake sure that this is true in all iterations of the outer\\nloop by setting \\\"new\\\" to NULL after its value is assigned to \\\"cur\\\".\\n\\nExtend the unittest to detect the double free and add an additional\\ntest case that actually triggers this path.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T08:23:58.860Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-52679\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T08:23:58.860Z\", \"dateReserved\": \"2024-03-07T14:49:46.887Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-17T14:24:43.380Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.




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.