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CVE-2025-38635 (GCVE-0-2025-38635)

Vulnerability from cvelistv5 – Published: 2025-08-22 16:00 – Updated: 2026-05-11 21:32
VLAI
Title
clk: davinci: Add NULL check in davinci_lpsc_clk_register()
Summary
In the Linux kernel, the following vulnerability has been resolved: clk: davinci: Add NULL check in davinci_lpsc_clk_register() devm_kasprintf() returns NULL when memory allocation fails. Currently, davinci_lpsc_clk_register() does not check for this case, which results in a NULL pointer dereference. Add NULL check after devm_kasprintf() to prevent this issue and ensuring no resources are left allocated.
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: c6ed4d734bc7f731709dab0ffd69eed499dd5277 , < 77e9ad7a2d0e2a771c9e0be04b9d1639413b5f13 (git)
Affected: c6ed4d734bc7f731709dab0ffd69eed499dd5277 , < 7843412e5927dafbb844782c56b6380564064109 (git)
Affected: c6ed4d734bc7f731709dab0ffd69eed499dd5277 , < 2adc945b70c4d97e9491a6c0c9f3b217a9eecfba (git)
Affected: c6ed4d734bc7f731709dab0ffd69eed499dd5277 , < 105e8115944a9f93e9412abe7bb07ed96725adf9 (git)
Affected: c6ed4d734bc7f731709dab0ffd69eed499dd5277 , < 1d92608a29251278015f57f3572bc950db7519f0 (git)
Affected: c6ed4d734bc7f731709dab0ffd69eed499dd5277 , < 7943ed1f05f5cb7372dca2aa227f848747a98791 (git)
Affected: c6ed4d734bc7f731709dab0ffd69eed499dd5277 , < 6fb19cdcf040e1dec052a9032acb66cc2ad1d43f (git)
Affected: c6ed4d734bc7f731709dab0ffd69eed499dd5277 , < 23f564326deaafacfd7adf6104755b15216d8320 (git)
Affected: c6ed4d734bc7f731709dab0ffd69eed499dd5277 , < 13de464f445d42738fe18c9a28bab056ba3a290a (git)
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Linux Linux Affected: 4.17
Unaffected: 0 , < 4.17 (semver)
Unaffected: 5.4.297 , ≤ 5.4.* (semver)
Unaffected: 5.10.241 , ≤ 5.10.* (semver)
Unaffected: 5.15.190 , ≤ 5.15.* (semver)
Unaffected: 6.1.148 , ≤ 6.1.* (semver)
Unaffected: 6.6.102 , ≤ 6.6.* (semver)
Unaffected: 6.12.42 , ≤ 6.12.* (semver)
Unaffected: 6.15.10 , ≤ 6.15.* (semver)
Unaffected: 6.16.1 , ≤ 6.16.* (semver)
Unaffected: 6.17 , ≤ * (original_commit_for_fix)
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Actualmente, davinci_lpsc_clk_register() no comprueba este caso, lo que resulta en una desreferencia de puntero NULL. A\u00f1adir comprobaci\u00f3n de NULL despu\u00e9s de devm_kasprintf() para evitar este problema y garantizar que no queden recursos asignados.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/clk/davinci/psc.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"c6ed4d734bc7f731709dab0ffd69eed499dd5277\",\"lessThan\":\"77e9ad7a2d0e2a771c9e0be04b9d1639413b5f13\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c6ed4d734bc7f731709dab0ffd69eed499dd5277\",\"lessThan\":\"7843412e5927dafbb844782c56b6380564064109\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c6ed4d734bc7f731709dab0ffd69eed499dd5277\",\"lessThan\":\"2adc945b70c4d97e9491a6c0c9f3b217a9eecfba\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c6ed4d734bc7f731709dab0ffd69eed499dd5277\",\"lessThan\":\"105e8115944a9f93e9412abe7bb07ed96725adf9\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c6ed4d734bc7f731709dab0ffd69eed499dd5277\",\"lessThan\":\"1d92608a29251278015f57f3572bc950db7519f0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c6ed4d734bc7f731709dab0ffd69eed499dd5277\",\"lessThan\":\"7943ed1f05f5cb7372dca2aa227f848747a98791\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c6ed4d734bc7f731709dab0ffd69eed499dd5277\",\"lessThan\":\"6fb19cdcf040e1dec052a9032acb66cc2ad1d43f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c6ed4d734bc7f731709dab0ffd69eed499dd5277\",\"lessThan\":\"23f564326deaafacfd7adf6104755b15216d8320\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"c6ed4d734bc7f731709dab0ffd69eed499dd5277\",\"lessThan\":\"13de464f445d42738fe18c9a28bab056ba3a290a\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/clk/davinci/psc.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.17\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.17\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.4.297\",\"lessThanOrEqual\":\"5.4.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.241\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.190\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.148\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.102\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.42\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.15.10\",\"lessThanOrEqual\":\"6.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.16.1\",\"lessThanOrEqual\":\"6.16.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.17\",\"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\":\"4.17\",\"versionEndExcluding\":\"5.4.297\",\"matchCriteriaId\":\"D028C1BA-46EE-47CB-AC34-FFCDA3799DCF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.241\",\"matchCriteriaId\":\"D0D21C35-EB8A-488A-BBF9-403E4817E5DD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.190\",\"matchCriteriaId\":\"AD9E597F-3DDE-4D7E-976C-463D0611F13F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.148\",\"matchCriteriaId\":\"3E5B1B93-C244-4B54-B3AB-12C2635A443B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.102\",\"matchCriteriaId\":\"DD6EDB96-08AC-49D8-A1A9-4D2140C49BC7\"},{\"vulnerable\":true,\"criter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Party Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}",
    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:26:03+00:00",
      "cve": "CVE-2025-38635",
      "id": "CVE-2025-38635",
      "initial_release_date": "2025-08-22T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: clk: davinci: Add NULL check in davinci_lpsc_clk_register()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-38635.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-06T23:43:09Z",
      "cve": "CVE-2025-38635",
      "id": "CVE-2025-38635",
      "initial_release_date": "2025-08-22T23:28:49Z",
      "product_status:first_fixed": "2",
      "product_status:known_affected": "394",
      "product_status:known_not_affected": "453",
      "product_status:recommended": "472",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-38635",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-38635.json",
      "version": "45"
    }
  }
}



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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.