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CVE-2025-38547 (GCVE-0-2025-38547)

Vulnerability from cvelistv5 – Published: 2025-08-16 11:34 – Updated: 2026-08-05 12:02
VLAI
Title
iio: adc: axp20x_adc: Add missing sentinel to AXP717 ADC channel maps
Summary
In the Linux kernel, the following vulnerability has been resolved: iio: adc: axp20x_adc: Add missing sentinel to AXP717 ADC channel maps The AXP717 ADC channel maps is missing a sentinel entry at the end. This causes a KASAN warning. Add the missing sentinel entry.
Severity
7.3 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 5ba0cb92584ba5e107c97001e09013c1da0772a8 , < 086a76474121bf2351438e311376ec67b410b2ea (git)
Affected: 5ba0cb92584ba5e107c97001e09013c1da0772a8 , < 0c0c01c88bb69951539539d2001e67f0c613001f (git)
Affected: 5ba0cb92584ba5e107c97001e09013c1da0772a8 , < 3281ddcea6429f7bc1fdb39d407752dd1371aba9 (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.12
Unaffected: 0 , < 6.12 (semver)
Unaffected: 6.12.40 , ≤ 6.12.* (semver)
Unaffected: 6.15.8 , ≤ 6.15.* (semver)
Unaffected: 6.16 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
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          "product": "Linux",
          "programFiles": [
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: adc: axp20x_adc: Add missing sentinel to AXP717 ADC channel maps\n\nThe AXP717 ADC channel maps is missing a sentinel entry at the end. This\ncauses a KASAN warning.\n\nAdd the missing sentinel entry."
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              "value": "AV:L - The vulnerable code is `axp20x_probe()`, a platform-driver probe reached at boot or via local module load / sysfs driver bind on an AXP717-equipped board; there is no network, adjacent-network, or physical-insertion path since the PMIC is soldered on-board.\nAC:L - The missing sentinel is unconditional \u2014 every probe of the axp717-adc cell deterministically runs the out-of-bounds walk past `axp717_maps[]`; there is no race to win and no state the attacker must wait for.\nPR:L - The out-of-bounds read and the poisoning of the global `iio_map_list` happen during normal boot-time probe without any privileged operation being performed, so an unprivileged local user is exposed to the corrupted state without holding any capability.\nUI:N - The bug fires automatically when the MFD core instantiates the axp717-adc cell during boot; no victim action, mount, or file open is needed.\nS:U - The out-of-bounds read, the corrupted global list, and the resulting wild-pointer dereference all occur within the kernel\u0027s own security authority with no crossing of a VM, IOMMU, or sandbox boundary.\nC:H - This is an unbounded global out-of-bounds read that walks forward through kernel `.data` until it chances upon a NULL, and the OOB-derived pointers are then dereferenced as strings by `strcmp()` in `iio_channel_get_sys()`/`iio_channel_get_all()`, reading arbitrary kernel memory rather than a strictly bounded few bytes.\nI:L - The bug permanently injects bogus entries built from out-of-bounds memory into the global `iio_map_list` and propagates a garbage `consumer_data` pointer to consumer drivers, corrupting kernel state; it is limited rather than High because the array is only read \u2014 there is no out-of-bounds write or control-flow-hijack primitive on this path.\nA:H - The registered garbage entries carry non-string values (e.g. `struct platform_driver` function pointers or arbitrary `.data` words) that `strcmp()` later dereferences, producing an oops or panic, and on a KASAN kernel the global-out-of-bounds report itself panics under `panic_on_warn`."
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    "dateReserved": "2025-04-16T04:51:24.024Z",
    "dateUpdated": "2026-08-05T12:02:48.850Z",
    "state": "PUBLISHED"
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    "redhat_vex": {
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      "current_release_date": "2026-06-30T10:23:05+00:00",
      "cve": "CVE-2025-38547",
      "id": "CVE-2025-38547",
      "initial_release_date": "2025-08-16T00:00:00+00:00",
      "product_status:known_not_affected": "274",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: iio: adc: axp20x_adc: Add missing sentinel to AXP717 ADC channel maps",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2025/cve-2025-38547.json",
      "version": "3"
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    "suse_vex": {
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      "cve": "CVE-2025-38547",
      "id": "CVE-2025-38547",
      "initial_release_date": "2025-08-16T23:22:14Z",
      "product_status:first_fixed": "2",
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      "product_status:recommended": "172",
      "source": "SUSE CSAF VEX",
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      "title": "SUSE CVE CVE-2025-38547",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2025-38547.json",
      "version": "15"
    }
  }
}



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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.