Vulnerability-Lookup

GHSA-JGX4-86Q4-38FM

Vulnerability from github – Published: 2024-08-21 09:31 – Updated: 2024-09-13 15:31

Details

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

nommu: fix memory leak in do_mmap() error path

The preallocation of the maple tree nodes may leak if the error path to "error_just_free" is taken. Fix this by moving the freeing of the maple tree nodes to a shared location for all error paths.

Severity

5.5 (Medium)


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

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  "aliases": [
    "CVE-2023-52902"
  ],
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    "cwe_ids": [
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  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnommu: fix memory leak in do_mmap() error path\n\nThe preallocation of the maple tree nodes may leak if the error path to\n\"error_just_free\" is taken.  Fix this by moving the freeing of the maple\ntree nodes to a shared location for all error paths.",
  "id": "GHSA-jgx4-86q4-38fm",
  "modified": "2024-09-13T15:31:31Z",
  "published": "2024-08-21T09:31:32Z",
  "references": [
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      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52902"
    },
    {
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      "url": "https://git.kernel.org/stable/c/1442d51026c58e7c11dd5f9b19650632a48676d4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7f31cced5724e6d414fe750aa1cd7e7b578ec22f"
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  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
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}

CVE-2023-52902 (GCVE-0-2023-52902)

Vulnerability from cvelistv5 – Published: 2024-08-21 06:10 – Updated: 2026-05-11 19:35

Title

nommu: fix memory leak in do_mmap() error path

Summary

In the Linux kernel, the following vulnerability has been resolved: nommu: fix memory leak in do_mmap() error path The preallocation of the maple tree nodes may leak if the error path to "error_just_free" is taken. Fix this by moving the freeing of the maple tree nodes to a shared location for all error paths.

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

Assigner

Linux

References

2 references

URL	Tags
https://git.kernel.org/stable/c/1442d51026c58e7c1…
https://git.kernel.org/stable/c/7f31cced5724e6d41…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 8220543df1489ef96c3d4e8b0b3b03c340e3943e , < 1442d51026c58e7c11dd5f9b19650632a48676d4 (git) Affected: 8220543df1489ef96c3d4e8b0b3b03c340e3943e , < 7f31cced5724e6d414fe750aa1cd7e7b578ec22f (git)
Linux	Linux	Affected: 6.1 Unaffected: 0 , < 6.1 (semver) Unaffected: 6.1.8 , ≤ 6.1.* (semver) Unaffected: 6.2 , ≤ * (original_commit_for_fix)

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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.

Action not permitted

GHSA-JGX4-86Q4-38FM

CVE-2023-52902 (GCVE-0-2023-52902)

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Nomenclature