CVE-2025-23156 (GCVE-0-2025-23156)

Vulnerability from cvelistv5 – Published: 2025-05-01 12:55 – Updated: 2026-08-05 11:57
VLAI
Title
media: venus: hfi_parser: refactor hfi packet parsing logic
Summary
In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi_parser: refactor hfi packet parsing logic words_count denotes the number of words in total payload, while data points to payload of various property within it. When words_count reaches last word, data can access memory beyond the total payload. This can lead to OOB access. With this patch, the utility api for handling individual properties now returns the size of data consumed. Accordingly remaining bytes are calculated before parsing the payload, thereby eliminates the OOB access possibilities.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1a73374a04e555103e5369429a30999114001dda , < 0beabe9b49190a02321b02792b29fc0f0e28b51f (git)
Affected: 1a73374a04e555103e5369429a30999114001dda , < f195e94c7af921d99abd79f57026a218d191d2c7 (git)
Affected: 1a73374a04e555103e5369429a30999114001dda , < 0f9a4bab7d83738963365372e4745854938eab2d (git)
Affected: 1a73374a04e555103e5369429a30999114001dda , < 05b07e52a0d08239147ba3460045855f4fb398de (git)
Affected: 1a73374a04e555103e5369429a30999114001dda , < bb3fd8b7906a12dc2b61389abb742bf6542d97fb (git)
Affected: 1a73374a04e555103e5369429a30999114001dda , < a736c72d476d1c7ca7be5018f2614ee61168ad01 (git)
Affected: 1a73374a04e555103e5369429a30999114001dda , < 6d278c5548d840c4d85d445347b2a5c31b2ab3a0 (git)
Affected: 1a73374a04e555103e5369429a30999114001dda , < 9edaaa8e3e15aab1ca413ab50556de1975bcb329 (git)
Create a notification for this product.
Linux Linux Affected: 4.19
Unaffected: 0 , < 4.19 (semver)
Unaffected: 5.10.237 , ≤ 5.10.* (semver)
Unaffected: 5.15.181 , ≤ 5.15.* (semver)
Unaffected: 6.1.135 , ≤ 6.1.* (semver)
Unaffected: 6.6.88 , ≤ 6.6.* (semver)
Unaffected: 6.12.24 , ≤ 6.12.* (semver)
Unaffected: 6.13.12 , ≤ 6.13.* (semver)
Unaffected: 6.14.3 , ≤ 6.14.* (semver)
Unaffected: 6.15 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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              "value": "AV:L - The malformed payload arrives from the Venus video firmware over an on-die shared-memory HFI queue, and the kernel-side trigger is local (driver probe, or a local process holding /dev/videoN forcing firmware sys-error recovery); there is no network or adjacent-network path to this component.\nAC:L - The out-of-bounds walk is deterministic \u2014 a payload whose last word matches any HFI property tag reliably drives the parser past the buffer end, with no race, timing, or memory-layout condition outside the attacker\u0027s control.\nPR:L - An unprivileged local user with access to the video device node (the media/codec service on Android, the `video` group on distros) can repeatedly trigger firmware re-init and re-parse by feeding malformed bitstreams; no root or CAP_SYS_ADMIN is required, matching the PR:L used for the sibling venus firmware-payload CVEs.\nUI:N - Parsing occurs automatically at driver probe and on every firmware recovery cycle, and the attacker\u0027s own decode requests drive those cycles \u2014 no victim action is needed.\nS:U - The out-of-bounds access is confined to the kernel\u0027s own memory within the same security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - The parser reads up to roughly 2.3 KB of adjacent kernel memory (the debug packet buffer and beyond) and copies it into core-\u003ecaps, whose format tables, profile/level lists, and capability min/max values are subsequently readable by userspace through V4L2 enumeration \u2014 a substantial kernel heap information disclosure, far beyond a few bounded bytes.\nI:H - Out-of-bounds data is written into kernel driver state \u2014 codec masks, max_sessions_supported, capability limits, and raw-format tables \u2014 corrupting the values that govern session limits and buffer/frame sizing decisions for all subsequent video operations.\nA:H - The unbounded forward walk in parse_raw_formats can leave the allocation and dereference unmapped memory, causing a kernel oops, and the corrupted capability state can wedge the video pipeline; any such crash is a full availability loss."
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      "title": "media: venus: hfi_parser: refactor hfi packet parsing logic",
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Accordingly\\nremaining bytes are calculated before parsing the payload, thereby\\neliminates the OOB access possibilities.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: media: venus: hfi_parser: refactorizaci\u00f3n de la l\u00f3gica de an\u00e1lisis de paquetes HFI. words_count indica el n\u00famero de palabras en el payload total, mientras que data apunta al payload de varias propiedades dentro de ella. Cuando words_count alcanza la \u00faltima palabra, data puede acceder a memoria m\u00e1s all\u00e1 de payload total. Esto puede provocar accesos fuera de banda (OOB). Con este parche, la API de utilidad para gestionar propiedades individuales ahora devuelve el tama\u00f1o de los datos consumidos. Por consiguiente, los bytes restantes se calculan antes de analizar el payload, eliminando as\u00ed las posibilidades de accesos fuera de banda (OOB).\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/media/platform/qcom/venus/hfi_parser.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"1a73374a04e555103e5369429a30999114001dda\",\"lessThan\":\"0beabe9b49190a02321b02792b29fc0f0e28b51f\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a73374a04e555103e5369429a30999114001dda\",\"lessThan\":\"f195e94c7af921d99abd79f57026a218d191d2c7\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a73374a04e555103e5369429a30999114001dda\",\"lessThan\":\"0f9a4bab7d83738963365372e4745854938eab2d\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a73374a04e555103e5369429a30999114001dda\",\"lessThan\":\"05b07e52a0d08239147ba3460045855f4fb398de\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a73374a04e555103e5369429a30999114001dda\",\"lessThan\":\"bb3fd8b7906a12dc2b61389abb742bf6542d97fb\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a73374a04e555103e5369429a30999114001dda\",\"lessThan\":\"a736c72d476d1c7ca7be5018f2614ee61168ad01\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a73374a04e555103e5369429a30999114001dda\",\"lessThan\":\"6d278c5548d840c4d85d445347b2a5c31b2ab3a0\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"1a73374a04e555103e5369429a30999114001dda\",\"lessThan\":\"9edaaa8e3e15aab1ca413ab50556de1975bcb329\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/media/platform/qcom/venus/hfi_parser.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"4.19\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"4.19\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.237\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.181\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.135\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.88\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.24\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.13.12\",\"lessThanOrEqual\":\"6.13.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.14.3\",\"lessThanOrEqual\":\"6.14.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.15\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"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:H/I:N/A:H\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.2}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"4.19\",\"versionEndExcluding\":\"5.10.237\",\"matchCriteriaId\":\"8C6862D0-9E3E-4E18-878A-9B98DB0DBB66\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.181\",\"matchCriteriaId\":\"12331C9E-F601-4EFC-899E-369F98DCC70B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.135\",\"matchCriteriaId\":\"5B9ACE29-7445-4B6F-B761-6367C005E275\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.88\",\"matchCriteriaId\":\"6E5947E5-45E3-462A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    "redhat_vex": {
      "aggregate_severity": "None",
      "current_release_date": "2026-06-30T10:37:08+00:00",
      "cve": "CVE-2025-23156",
      "id": "CVE-2025-23156",
      "initial_release_date": "2025-05-01T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: media: venus: hfi_parser: refactor hfi packet parsing logic",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-23156.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-07-16T18:48:43Z",
      "cve": "CVE-2025-23156",
      "id": "CVE-2025-23156",
      "initial_release_date": "2025-05-02T02:03:42Z",
      "product_status:known_affected": "557",
      "product_status:known_not_affected": "143",
      "product_status:recommended": "407",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2025-23156",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-23156.json",
      "version": "40"
    }
  }
}



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Taxonomy of the tags.





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.