GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2026-72165 (GCVE-0-2026-72165)

Vulnerability from cvelistv5 – Published: 2026-08-15 05:53 – Updated: 2026-08-17 05:41
VLAI
Title
mtd: rawnand: fix condition in 'nand_select_target()'
Summary
In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: fix condition in 'nand_select_target()' 'cs' here must be in range [0:nanddev_ntargets[.
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 CPE status
Linux Linux Affected: 32813e288414fecce18f37f8f0d0414a64b45c56 , < 483a8a8581ee1274ec70e2561492096d4a7305e6 (git)
Affected: 32813e288414fecce18f37f8f0d0414a64b45c56 , < c2a131fb6882c98aada739479cc96df8748d0c24 (git)
Affected: 32813e288414fecce18f37f8f0d0414a64b45c56 , < e6df4fea1dc86c058e1918136c9b9d8e80c4be1b (git)
Affected: 32813e288414fecce18f37f8f0d0414a64b45c56 , < 3da4eb15c7b421c2d97c402bb7bd607c44822995 (git)
Affected: 32813e288414fecce18f37f8f0d0414a64b45c56 , < fbc7c8a1167b2eb56b2fd8598c29a3d5e9f8676e (git)
Affected: 32813e288414fecce18f37f8f0d0414a64b45c56 , < 4bbfcf9c7e46cae58257150bf834853559382e28 (git)
Affected: 32813e288414fecce18f37f8f0d0414a64b45c56 , < 8f575fc17360827ca1d1940a84f3c7ee40407a10 (git)
Affected: 32813e288414fecce18f37f8f0d0414a64b45c56 , < 8507c2cc9e4fa402401819f44d1e8a5ef4d11d8b (git)
guessed Create a notification for this product.
Linux Linux Affected: 5.2
Unaffected: 0 , < 5.2 (semver)
Unaffected: 5.10.261 , ≤ 5.10.* (semver)
Unaffected: 5.15.212 , ≤ 5.15.* (semver)
Unaffected: 6.1.178 , ≤ 6.1.* (semver)
Unaffected: 6.6.145 , ≤ 6.6.* (semver)
Unaffected: 6.12.97 , ≤ 6.12.* (semver)
Unaffected: 6.18.40 , ≤ 6.18.* (semver)
Unaffected: 7.1.5 , ≤ 7.1.* (semver)
Unaffected: 7.2 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/mtd/nand/raw/nand_base.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "483a8a8581ee1274ec70e2561492096d4a7305e6",
              "status": "affected",
              "version": "32813e288414fecce18f37f8f0d0414a64b45c56",
              "versionType": "git"
            },
            {
              "lessThan": "c2a131fb6882c98aada739479cc96df8748d0c24",
              "status": "affected",
              "version": "32813e288414fecce18f37f8f0d0414a64b45c56",
              "versionType": "git"
            },
            {
              "lessThan": "e6df4fea1dc86c058e1918136c9b9d8e80c4be1b",
              "status": "affected",
              "version": "32813e288414fecce18f37f8f0d0414a64b45c56",
              "versionType": "git"
            },
            {
              "lessThan": "3da4eb15c7b421c2d97c402bb7bd607c44822995",
              "status": "affected",
              "version": "32813e288414fecce18f37f8f0d0414a64b45c56",
              "versionType": "git"
            },
            {
              "lessThan": "fbc7c8a1167b2eb56b2fd8598c29a3d5e9f8676e",
              "status": "affected",
              "version": "32813e288414fecce18f37f8f0d0414a64b45c56",
              "versionType": "git"
            },
            {
              "lessThan": "4bbfcf9c7e46cae58257150bf834853559382e28",
              "status": "affected",
              "version": "32813e288414fecce18f37f8f0d0414a64b45c56",
              "versionType": "git"
            },
            {
              "lessThan": "8f575fc17360827ca1d1940a84f3c7ee40407a10",
              "status": "affected",
              "version": "32813e288414fecce18f37f8f0d0414a64b45c56",
              "versionType": "git"
            },
            {
              "lessThan": "8507c2cc9e4fa402401819f44d1e8a5ef4d11d8b",
              "status": "affected",
              "version": "32813e288414fecce18f37f8f0d0414a64b45c56",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/mtd/nand/raw/nand_base.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "5.2"
            },
            {
              "lessThan": "5.2",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.10.*",
              "status": "unaffected",
              "version": "5.10.261",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "5.15.*",
              "status": "unaffected",
              "version": "5.15.212",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.178",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.145",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.97",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.40",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.1.*",
              "status": "unaffected",
              "version": "7.1.5",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.2",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.261",
                  "versionStartIncluding": "5.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.212",
                  "versionStartIncluding": "5.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.178",
                  "versionStartIncluding": "5.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.145",
                  "versionStartIncluding": "5.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.97",
                  "versionStartIncluding": "5.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.40",
                  "versionStartIncluding": "5.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.1.5",
                  "versionStartIncluding": "5.2",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.2",
                  "versionStartIncluding": "5.2",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: rawnand: fix condition in \u0027nand_select_target()\u0027\n\n\u0027cs\u0027 here must be in range [0:nanddev_ntargets[."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "scenarios": [
            {
              "lang": "en",
              "value": "AV:L - The flaw is in the raw NAND MTD stack reached via local /dev/mtdX character-device ioctls (MEMREAD, MEMWRITE, MEMERASE, MEMSETBADBLOCK) and mtdblock I/O, not via network protocols or physical hotplug alone.\nAC:L - An attacker with MTD device access can repeatedly issue read, write, or erase operations on multi-die NAND hardware; when a caller supplies cs equal to nanddev_ntargets(), the defective check passes deterministically and invokes the controller select_chip path.\nPR:L - Exploitation requires local write access to the MTD character device (FMODE_WRITE on /dev/mtdX) but no capability() gate beyond device permissions; per kernel CNA guidance, PR:L is chosen when uncertain between device-permission low and root-only high privilege.\nUI:N - No separate victim interaction is required; once the attacker has access to the MTD device node they can trigger the vulnerable nand_select_target() path through their own ioctl or read/write requests.\nS:U - Impact remains within the kernel and on-board NAND controller security authority on the host; it does not cross VM, container, IOMMU, or other security-boundary scopes into a separate authority.\nC:H - When cs equals nanddev_ntargets() the invalid index reaches controller select_chip handlers (denali, mtk, rockchip, renesas) that index sels[cs] without bounds checking, enabling out-of-bounds kernel memory reads.\nI:H - Out-of-bounds sels[cs] values are written into NAND controller CE-select and timing registers, plausibly corrupting flash contents or protection state; under the required uncertainty rule this memory-safety defect is scored as high integrity impact.\nA:H - On legacy/default select_chip paths an out-of-range cs hits BUG(), and controller misconfiguration from invalid CE selection can oops or hang the kernel, satisfying high availability impact for kernel crash classes."
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-17T05:41:07.143Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/483a8a8581ee1274ec70e2561492096d4a7305e6"
        },
        {
          "url": "https://git.kernel.org/stable/c/c2a131fb6882c98aada739479cc96df8748d0c24"
        },
        {
          "url": "https://git.kernel.org/stable/c/e6df4fea1dc86c058e1918136c9b9d8e80c4be1b"
        },
        {
          "url": "https://git.kernel.org/stable/c/3da4eb15c7b421c2d97c402bb7bd607c44822995"
        },
        {
          "url": "https://git.kernel.org/stable/c/fbc7c8a1167b2eb56b2fd8598c29a3d5e9f8676e"
        },
        {
          "url": "https://git.kernel.org/stable/c/4bbfcf9c7e46cae58257150bf834853559382e28"
        },
        {
          "url": "https://git.kernel.org/stable/c/8f575fc17360827ca1d1940a84f3c7ee40407a10"
        },
        {
          "url": "https://git.kernel.org/stable/c/8507c2cc9e4fa402401819f44d1e8a5ef4d11d8b"
        }
      ],
      "title": "mtd: rawnand: fix condition in \u0027nand_select_target()\u0027",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-72165",
    "datePublished": "2026-08-15T05:53:32.649Z",
    "dateReserved": "2026-08-09T03:40:39.909Z",
    "dateUpdated": "2026-08-17T05:41:07.143Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-72165",
      "date": "2026-09-04",
      "epss": "0.00164",
      "percentile": "0.0587"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-72165\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-08-15T06:21:34.490\",\"lastModified\":\"2026-08-17T06:18:16.860\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmtd: rawnand: fix condition in \u0027nand_select_target()\u0027\\n\\n\u0027cs\u0027 here must be in range [0:nanddev_ntargets[.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/mtd/nand/raw/nand_base.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"32813e288414fecce18f37f8f0d0414a64b45c56\",\"lessThan\":\"483a8a8581ee1274ec70e2561492096d4a7305e6\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"32813e288414fecce18f37f8f0d0414a64b45c56\",\"lessThan\":\"c2a131fb6882c98aada739479cc96df8748d0c24\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"32813e288414fecce18f37f8f0d0414a64b45c56\",\"lessThan\":\"e6df4fea1dc86c058e1918136c9b9d8e80c4be1b\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"32813e288414fecce18f37f8f0d0414a64b45c56\",\"lessThan\":\"3da4eb15c7b421c2d97c402bb7bd607c44822995\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"32813e288414fecce18f37f8f0d0414a64b45c56\",\"lessThan\":\"fbc7c8a1167b2eb56b2fd8598c29a3d5e9f8676e\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"32813e288414fecce18f37f8f0d0414a64b45c56\",\"lessThan\":\"4bbfcf9c7e46cae58257150bf834853559382e28\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"32813e288414fecce18f37f8f0d0414a64b45c56\",\"lessThan\":\"8f575fc17360827ca1d1940a84f3c7ee40407a10\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"32813e288414fecce18f37f8f0d0414a64b45c56\",\"lessThan\":\"8507c2cc9e4fa402401819f44d1e8a5ef4d11d8b\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/mtd/nand/raw/nand_base.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.2\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.2\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.261\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.212\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.1.178\",\"lessThanOrEqual\":\"6.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.6.145\",\"lessThanOrEqual\":\"6.6.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.12.97\",\"lessThanOrEqual\":\"6.12.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"6.18.40\",\"lessThanOrEqual\":\"6.18.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.1.5\",\"lessThanOrEqual\":\"7.1.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.2\",\"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}]},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/3da4eb15c7b421c2d97c402bb7bd607c44822995\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/483a8a8581ee1274ec70e2561492096d4a7305e6\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/4bbfcf9c7e46cae58257150bf834853559382e28\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8507c2cc9e4fa402401819f44d1e8a5ef4d11d8b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/8f575fc17360827ca1d1940a84f3c7ee40407a10\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/c2a131fb6882c98aada739479cc96df8748d0c24\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e6df4fea1dc86c058e1918136c9b9d8e80c4be1b\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/fbc7c8a1167b2eb56b2fd8598c29a3d5e9f8676e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2026-08-19T05:26:27+00:00",
      "cve": "CVE-2026-72165",
      "id": "CVE-2026-72165",
      "initial_release_date": "2026-08-15T00:00:00+00:00",
      "product_status:known_affected": "108",
      "product_status:known_not_affected": "166",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: mtd: rawnand: fix condition in \u0027nand_select_target()\u0027",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-72165.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
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.