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CVE-2026-89575 (GCVE-0-2026-89575)

Vulnerability from cvelistv5 – Published: 2026-09-11 19:44 – Updated: 2026-09-14 12:01
VLAI
Title
dm raid1: reserve space for NUL-terminator in build_constructor_string()
Summary
In the Linux kernel, the following vulnerability has been resolved: dm raid1: reserve space for NUL-terminator in build_constructor_string() Reserve space for the termination NUL after the maximum 20 decimal digits of a long long value to avoid buffer overflow in sprintf().
Severity
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: f5db4af466e2dca0fe822019812d586ca910b00c , < 35ba81c93fe7392c973af9881640180490e76f34 (git)
Affected: f5db4af466e2dca0fe822019812d586ca910b00c , < 1fcc9f9f35653c5ee1a8b144ec96ff3fc48532f7 (git)
Affected: f5db4af466e2dca0fe822019812d586ca910b00c , < 7b035983b895db3ae01d9855963d42541db42125 (git)
Affected: f5db4af466e2dca0fe822019812d586ca910b00c , < 01a0276706c7b6fb758a8e2ff9cf221a3dfcae97 (git)
Affected: f5db4af466e2dca0fe822019812d586ca910b00c , < 0a3657ebd6b517b60cdc5123894047616974e25b (git)
Affected: f5db4af466e2dca0fe822019812d586ca910b00c , < 644140527ae494cedf3b5c0ecd16287deaea7a66 (git)
Affected: f5db4af466e2dca0fe822019812d586ca910b00c , < f79b53ca3a68a46c6fc3b30b148d1dfb1b33ea8b (git)
Affected: f5db4af466e2dca0fe822019812d586ca910b00c , < 73c37fe54cd056d07461b142ab0b8b81e1ef6ad8 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.31
Unaffected: 0 , < 2.6.31 (semver)
Unaffected: 5.10.270 , ≤ 5.10.* (semver)
Unaffected: 5.15.221 , ≤ 5.15.* (semver)
Unaffected: 6.1.188 , ≤ 6.1.* (semver)
Unaffected: 6.6.157 , ≤ 6.6.* (semver)
Unaffected: 6.12.109 , ≤ 6.12.* (semver)
Unaffected: 6.18.50 , ≤ 6.18.* (semver)
Unaffected: 7.2.4 , ≤ 7.2.* (semver)
Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm raid1: reserve space for NUL-terminator in build_constructor_string()\n\nReserve space for the termination NUL after the maximum 20 decimal\ndigits of a long long value to avoid buffer overflow in sprintf()."
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      "providerMetadata": {
        "dateUpdated": "2026-09-14T12:01:07.555Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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    "datePublished": "2026-09-11T19:44:43.139Z",
    "dateReserved": "2026-09-11T19:38:34.727Z",
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      "date": "2026-09-16",
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      "cve": "CVE-2026-89575",
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      "initial_release_date": "2026-09-13T01:12:55.000Z",
      "product_status:known_not_affected": "1",
      "source": "Microsoft CSAF VEX",
      "status": "final",
      "title": "dm raid1: reserve space for NUL-terminator in build_constructor_string()",
      "url": "https://msrc.microsoft.com/csaf/vex/2026/msrc_cve-2026-89575.json",
      "version": "3"
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-09-15T05:03:13+00:00",
      "cve": "CVE-2026-89575",
      "id": "CVE-2026-89575",
      "initial_release_date": "2026-09-11T19:44:43.139000+00:00",
      "product_status:known_affected": "2",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: Linux kernel: Buffer overflow in dm-raid1 due to missing NUL-terminator",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-89575.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-15T00:58:19Z",
      "cve": "CVE-2026-89575",
      "id": "CVE-2026-89575",
      "initial_release_date": "2026-09-12T16:25:48Z",
      "product_status:known_affected": "353",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-89575",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-89575.json",
      "version": "3"
    }
  }
}



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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

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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.


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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.