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CVE-2025-68252 (GCVE-0-2025-68252)

Vulnerability from cvelistv5 – Published: 2025-12-16 14:32 – Updated: 2026-05-11 21:49
VLAI
Title
misc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup
Summary
In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup In fastrpc_map_lookup, dma_buf_get is called to obtain a reference to the dma_buf for comparison purposes. However, this reference is never released when the function returns, leading to a dma_buf memory leak. Fix this by adding dma_buf_put before returning from the function, ensuring that the temporarily acquired reference is properly released regardless of whether a matching map is found. Rule: add
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: ec5cb80503bbfee67573699fe52fcf456fd57678 , < c2fef5ebb73f3dabae6fbc571d181914ed32c483 (git)
Affected: 6e0d6cc39f410a4d9ea774fbb254c68fe02ff4bb , < 9a297a68c3ba4a7ecb31ed52f61bd6634abb79d3 (git)
Affected: 6e0928a8988e873da9946e17f8065ad77c720186 , < e17b13387827adce7acb19ac0f07f9bcafe0ff4c (git)
Affected: 1986bba9597b3d97d3e80530dc457a1cd1994e22 , < 214e81a63a9aa0be42382ef0365ba5ed32c513ab (git)
Affected: 9031626ade38b092b72638dfe0c6ffce8d8acd43 , < fff111bf45cbeeb659324316d68554e35d350092 (git)
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Linux Linux Affected: 6.1.156 , < 6.1.158 (semver)
Affected: 6.6.112 , < 6.6.115 (semver)
Affected: 6.12.53 , < 6.12.56 (semver)
Affected: 6.17.3 , < 6.17.6 (semver)
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Show details on NVD website
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{
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          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup\n\nIn fastrpc_map_lookup, dma_buf_get is called to obtain a reference to\nthe dma_buf for comparison purposes. However, this reference is never\nreleased when the function returns, leading to a dma_buf memory leak.\n\nFix this by adding dma_buf_put before returning from the function,\nensuring that the temporarily acquired reference is properly released\nregardless of whether a matching map is found.\n\nRule: add"
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    "datePublished": "2025-12-16T14:32:18.819Z",
    "dateReserved": "2025-12-16T13:41:40.266Z",
    "dateUpdated": "2026-05-11T21:49:46.501Z",
    "state": "PUBLISHED"
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          {
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmisc: fastrpc: Fix dma_buf object leak in fastrpc_map_lookup\n\nIn fastrpc_map_lookup, dma_buf_get is called to obtain a reference to\nthe dma_buf for comparison purposes. However, this reference is never\nreleased when the function returns, leading to a dma_buf memory leak.\n\nFix this by adding dma_buf_put before returning from the function,\nensuring that the temporarily acquired reference is properly released\nregardless of whether a matching map is found.\n\nRule: add"
          }
        ],
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        "metrics": {},
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      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-68252.json",
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}



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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.