CVE-2026-46161 (GCVE-0-2026-46161)

Vulnerability from cvelistv5 – Published: 2026-05-28 09:36 – Updated: 2026-06-14 17:59
VLAI
Title
md/raid10: fix divide-by-zero in setup_geo() with zero far_copies
Summary
In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix divide-by-zero in setup_geo() with zero far_copies setup_geo() extracts near_copies (nc) and far_copies (fc) from the user-provided layout parameter without checking for zero. When fc=0 with the "improved" far set layout selected, 'geo->far_set_size = disks / fc' triggers a divide-by-zero. Validate nc and fc immediately after extraction, returning -1 if either is zero.
Assigner
Impacted products
Vendor Product Version
Linux Linux Affected: 475901aff15841fb0a81e7546517407779a9b061 , < 0b43a70394ce492274e67463326be03e0a9897c5 (git)
Affected: 475901aff15841fb0a81e7546517407779a9b061 , < c716ab3034f84f8a6c226814247b8c5ac9f95da1 (git)
Affected: 475901aff15841fb0a81e7546517407779a9b061 , < 553e32adfa1a96b217651139a3f8c3b92b9984ac (git)
Affected: 475901aff15841fb0a81e7546517407779a9b061 , < 4af2e558e6fdfb972c61350653fd55d1f62b60a5 (git)
Affected: 475901aff15841fb0a81e7546517407779a9b061 , < 9d8e03b9a2b1e8ce5c198bf3a409a629f4d02cda (git)
Affected: 475901aff15841fb0a81e7546517407779a9b061 , < 913d556e4bd1b56ed822815655b82c7bb54edc51 (git)
Affected: 475901aff15841fb0a81e7546517407779a9b061 , < f9ddb621b2325eb69c95692958daf2bab4dea2c4 (git)
Affected: 475901aff15841fb0a81e7546517407779a9b061 , < 9aa6d860b0930e2f72795665c42c44252a558a0c (git)
Create a notification for this product.
Linux Linux Affected: 3.9
Unaffected: 0 , < 3.9 (semver)
Unaffected: 5.10.258 , ≤ 5.10.* (semver)
Unaffected: 5.15.209 , ≤ 5.15.* (semver)
Unaffected: 6.1.175 , ≤ 6.1.* (semver)
Unaffected: 6.6.140 , ≤ 6.6.* (semver)
Unaffected: 6.12.88 , ≤ 6.12.* (semver)
Unaffected: 6.18.30 , ≤ 6.18.* (semver)
Unaffected: 7.0.7 , ≤ 7.0.* (semver)
Unaffected: 7.1 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/md/raid10.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "0b43a70394ce492274e67463326be03e0a9897c5",
              "status": "affected",
              "version": "475901aff15841fb0a81e7546517407779a9b061",
              "versionType": "git"
            },
            {
              "lessThan": "c716ab3034f84f8a6c226814247b8c5ac9f95da1",
              "status": "affected",
              "version": "475901aff15841fb0a81e7546517407779a9b061",
              "versionType": "git"
            },
            {
              "lessThan": "553e32adfa1a96b217651139a3f8c3b92b9984ac",
              "status": "affected",
              "version": "475901aff15841fb0a81e7546517407779a9b061",
              "versionType": "git"
            },
            {
              "lessThan": "4af2e558e6fdfb972c61350653fd55d1f62b60a5",
              "status": "affected",
              "version": "475901aff15841fb0a81e7546517407779a9b061",
              "versionType": "git"
            },
            {
              "lessThan": "9d8e03b9a2b1e8ce5c198bf3a409a629f4d02cda",
              "status": "affected",
              "version": "475901aff15841fb0a81e7546517407779a9b061",
              "versionType": "git"
            },
            {
              "lessThan": "913d556e4bd1b56ed822815655b82c7bb54edc51",
              "status": "affected",
              "version": "475901aff15841fb0a81e7546517407779a9b061",
              "versionType": "git"
            },
            {
              "lessThan": "f9ddb621b2325eb69c95692958daf2bab4dea2c4",
              "status": "affected",
              "version": "475901aff15841fb0a81e7546517407779a9b061",
              "versionType": "git"
            },
            {
              "lessThan": "9aa6d860b0930e2f72795665c42c44252a558a0c",
              "status": "affected",
              "version": "475901aff15841fb0a81e7546517407779a9b061",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/md/raid10.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "3.9"
            },
            {
              "lessThan": "3.9",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.258",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.209",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.175",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.140",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.88",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.30",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.*",
              "status": "unaffected",
              "version": "7.0.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.1",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.258",
                  "versionStartIncluding": "3.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.209",
                  "versionStartIncluding": "3.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.175",
                  "versionStartIncluding": "3.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.140",
                  "versionStartIncluding": "3.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.88",
                  "versionStartIncluding": "3.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.30",
                  "versionStartIncluding": "3.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0.7",
                  "versionStartIncluding": "3.9",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1",
                  "versionStartIncluding": "3.9",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmd/raid10: fix divide-by-zero in setup_geo() with zero far_copies\n\nsetup_geo() extracts near_copies (nc) and far_copies (fc) from the\nuser-provided layout parameter without checking for zero. When fc=0\nwith the \"improved\" far set layout selected, \u0027geo-\u003efar_set_size =\ndisks / fc\u0027 triggers a divide-by-zero.\n\nValidate nc and fc immediately after extraction, returning -1 if\neither is zero."
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-06-14T17:59:07.789Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0b43a70394ce492274e67463326be03e0a9897c5"
        },
        {
          "url": "https://git.kernel.org/stable/c/c716ab3034f84f8a6c226814247b8c5ac9f95da1"
        },
        {
          "url": "https://git.kernel.org/stable/c/553e32adfa1a96b217651139a3f8c3b92b9984ac"
        },
        {
          "url": "https://git.kernel.org/stable/c/4af2e558e6fdfb972c61350653fd55d1f62b60a5"
        },
        {
          "url": "https://git.kernel.org/stable/c/9d8e03b9a2b1e8ce5c198bf3a409a629f4d02cda"
        },
        {
          "url": "https://git.kernel.org/stable/c/913d556e4bd1b56ed822815655b82c7bb54edc51"
        },
        {
          "url": "https://git.kernel.org/stable/c/f9ddb621b2325eb69c95692958daf2bab4dea2c4"
        },
        {
          "url": "https://git.kernel.org/stable/c/9aa6d860b0930e2f72795665c42c44252a558a0c"
        }
      ],
      "title": "md/raid10: fix divide-by-zero in setup_geo() with zero far_copies",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-46161",
    "datePublished": "2026-05-28T09:36:16.428Z",
    "dateReserved": "2026-05-13T15:03:33.102Z",
    "dateUpdated": "2026-06-14T17:59:07.789Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-46161",
      "date": "2026-06-17",
      "epss": "0.00128",
      "percentile": "0.02769"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-46161\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-05-28T10:16:31.770\",\"lastModified\":\"2026-06-09T21:06:33.227\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmd/raid10: fix divide-by-zero in setup_geo() with zero far_copies\\n\\nsetup_geo() extracts near_copies (nc) and far_copies (fc) from the\\nuser-provided layout parameter without checking for zero. When fc=0\\nwith the \\\"improved\\\" far set layout selected, \u0027geo-\u003efar_set_size =\\ndisks / fc\u0027 triggers a divide-by-zero.\\n\\nValidate nc and fc immediately after extraction, returning -1 if\\neither is zero.\"}],\"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-369\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.9.1\",\"versionEndExcluding\":\"5.10.258\",\"matchCriteriaId\":\"0D8E6DE7-D158-4E61-8060-C94CB18E58CF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.209\",\"matchCriteriaId\":\"919C10A9-7951-4A74-BADD-C135A0A8D8B4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.175\",\"matchCriteriaId\":\"92385813-D91D-480D-83A1-F423D2CBB2BA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.140\",\"matchCriteriaId\":\"A1A92866-F406-43B5-B2D1-CFC274753E9D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.12.88\",\"matchCriteriaId\":\"5AFBE0EC-CCDF-4207-AE92-ABF958125CA4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.13\",\"versionEndExcluding\":\"6.18.30\",\"matchCriteriaId\":\"BF39AE08-AE6D-4410-8FBE-76F6BF5BF55B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.19\",\"versionEndExcluding\":\"7.0.7\",\"matchCriteriaId\":\"D0893CA7-9AE6-4DFE-AC75-48967D73AD8E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.9:-:*:*:*:*:*:*\",\"matchCriteriaId\":\"526A1838-B777-4270-82B2-E8BC398CB046\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.9:rc2:*:*:*:*:*:*\",\"matchCriteriaId\":\"08C04619-89A2-4B15-82A2-48BCC662C1F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.9:rc3:*:*:*:*:*:*\",\"matchCriteriaId\":\"5B039196-7159-476C-876A-C61242CC41DA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.9:rc4:*:*:*:*:*:*\",\"matchCriteriaId\":\"3A9E0457-53C9-44DD-ACFB-31EE1D1E060E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.9:rc5:*:*:*:*:*:*\",\"matchCriteriaId\":\"BEE406E7-87BA-44BA-BF61-673E6CC44A2F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.9:rc6:*:*:*:*:*:*\",\"matchCriteriaId\":\"29FBA173-658F-45DC-8205-934CACD67166\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.9:rc7:*:*:*:*:*:*\",\"matchCriteriaId\":\"139700F0-BA32-40CF-B9DF-C9C450384FDE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:3.9:rc8:*:*:*:*:*:*\",\"matchCriteriaId\":\"7FC798CC-23F1-42C3-BA27-187C90B4E43C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*\",\"matchCriteriaId\":\"B1EF7059-E670-45F4-B422-54C40FA86390\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0b43a70394ce492274e67463326be03e0a9897c5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/4af2e558e6fdfb972c61350653fd55d1f62b60a5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/553e32adfa1a96b217651139a3f8c3b92b9984ac\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/913d556e4bd1b56ed822815655b82c7bb54edc51\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9aa6d860b0930e2f72795665c42c44252a558a0c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9d8e03b9a2b1e8ce5c198bf3a409a629f4d02cda\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/c716ab3034f84f8a6c226814247b8c5ac9f95da1\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/f9ddb621b2325eb69c95692958daf2bab4dea2c4\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…