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CVE-2024-56767 (GCVE-0-2024-56767)

Vulnerability from cvelistv5 – Published: 2025-01-06 16:20 – Updated: 2026-05-11 20:58
VLAI
Title
dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset
Summary
In the Linux kernel, the following vulnerability has been resolved: dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset The at_xdmac_memset_create_desc may return NULL, which will lead to a null pointer dereference. For example, the len input is error, or the atchan->free_descs_list is empty and memory is exhausted. Therefore, add check to avoid this.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: b206d9a23ac71cb905f5fb6e0cd813406f89b678 , < 3d229600c54e9e0909080ecaf1aab0642aefa5f0 (git)
Affected: b206d9a23ac71cb905f5fb6e0cd813406f89b678 , < ed1a8aaa344522c0c349ac9042db27ad130ef913 (git)
Affected: b206d9a23ac71cb905f5fb6e0cd813406f89b678 , < 8d364597de9ce2a5f52714224bfe6c2e7a29b303 (git)
Affected: b206d9a23ac71cb905f5fb6e0cd813406f89b678 , < fdba6d5e455388377ec7e82a5913ddfcc7edd93b (git)
Affected: b206d9a23ac71cb905f5fb6e0cd813406f89b678 , < e658f1c133b854b2ae799147301d82dddb8f3162 (git)
Affected: b206d9a23ac71cb905f5fb6e0cd813406f89b678 , < 54376d8d26596f98ed7432a788314bb9154bf3e3 (git)
Affected: b206d9a23ac71cb905f5fb6e0cd813406f89b678 , < c43ec96e8d34399bd9dab2f2dc316b904892133f (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.2
Unaffected: 0 , < 4.2 (semver)
Unaffected: 5.4.289 , ≤ 5.4.* (semver)
Unaffected: 5.10.233 , ≤ 5.10.* (semver)
Unaffected: 5.15.176 , ≤ 5.15.* (semver)
Unaffected: 6.1.123 , ≤ 6.1.* (semver)
Unaffected: 6.6.69 , ≤ 6.6.* (semver)
Unaffected: 6.12.8 , ≤ 6.12.* (semver)
Unaffected: 6.13 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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Por ejemplo, la entrada len es un error o la lista atchan-\u0026gt;free_descs_list est\u00e1 vac\u00eda y la memoria est\u00e1 agotada. Por lo tanto, agregue una comprobaci\u00f3n para evitar esto.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/dma/at_xdmac.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"b206d9a23ac71cb905f5fb6e0cd813406f89b678\",\"lessThan\":\"3d229600c54e9e0909080ecaf1aab0642aefa5f0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b206d9a23ac71cb905f5fb6e0cd813406f89b678\",\"lessThan\":\"ed1a8aaa344522c0c349ac9042db27ad130ef913\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b206d9a23ac71cb905f5fb6e0cd813406f89b678\",\"lessThan\":\"8d364597de9ce2a5f52714224bfe6c2e7a29b303\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b206d9a23ac71cb905f5fb6e0cd813406f89b678\",\"lessThan\":\"fdba6d5e455388377ec7e82a5913ddfcc7edd93b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b206d9a23ac71cb905f5fb6e0cd813406f89b678\",\"lessThan\":\"e658f1c133b854b2ae799147301d82dddb8f3162\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b206d9a23ac71cb905f5fb6e0cd813406f89b678\",\"lessThan\":\"54376d8d26596f98ed7432a788314bb9154bf3e3\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"b206d9a23ac71cb905f5fb6e0cd813406f89b678\",\"lessThan\":\"c43ec96e8d34399bd9dab2f2dc316b904892133f\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/dma/at_xdmac.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.2\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.2\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.289\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.233\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.176\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.123\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.69\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.8\",\"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}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.2\",\"versionEndExcluding\":\"6.1.123\",\"matchCriteriaId\":\"F5F0EA73-3F4D-47C1-9667-244C435D9457\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.69\",\"matchCriteriaId\":\"EF18E3CB-058C-4836-B36D-8073F1C09977\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.8\",\"matchCriteriaId\":\"E79883DD-75BE-4DA9-B4EC-AC6DE63BD438\"},{\"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\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"DE491969-75AE-4A6B-9A58-8FC5AF98798F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"93C0660D-7FB8-4FBA-892A-B064BA71E49E\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3d229600c54e9e0909080ecaf1aab0642aefa5f0\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/54376d8d26596f98ed7432a788314bb9154bf3e3\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/8d364597de9ce2a5f52714224bfe6c2e7a29b303\",\"source\":\"416baaa9-dc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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T13:57:59+00:00",
      "cve": "CVE-2024-56767",
      "id": "CVE-2024-56767",
      "initial_release_date": "2024-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "198",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-56767.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-11T16:40:38Z",
      "cve": "CVE-2024-56767",
      "id": "CVE-2024-56767",
      "initial_release_date": "2025-01-07T03:48:50Z",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "424",
      "product_status:recommended": "358",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2024-56767",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-56767.json",
      "version": "59"
    }
  }
}



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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.