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mtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write

Type: advisorySources: OSV

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write When the oob buffer length is not in multiple of words, the oob write function does out-of-bounds read on the oob source buffer at the last iteration. Fix that by always checking length limit on the oob buffer read and fill with 0xff when reaching the end of the buffer to the oob registers.

Products
Kernel
Affected versions
Not specified
Fixed versions
4.14.326, 4.19.295, 5.10.195, 5.15.132, 5.4.257, 6.1.54, 6.5.4
CVEs
CVE-2023-53541
Confirmed fixed CVEs
Not specified
Updated in this feed
5 Nov 2026, 03:17 UTC · Revision 1

Source evidence

mtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write

core-osv · Original source

Published 4 Oct 2025, 15:16 UTC

In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write When the oob buffer length is not in multiple of words, the oob write function does out-of-bounds read on the oob source buffer at the last iteration. Fix that by always checking length limit on the oob buffer read and fill with 0xff when reaching the end of the buffer to the oob registers.

osv:CVE-2023-53541

Kernel

Fixed versions: 4.14.326, 4.19.295, 5.4.257, 5.10.195, 5.15.132, 6.1.54, 6.5.4

Complete source record
{
  "id": "8ec761bb2a1fe529121885fe19d05efb8c244f808f51d36d63a26826c0fb0bac",
  "url": "https://osv.dev/vulnerability/CVE-2023-53541",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "mtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: mtd: rawnand: brcmnand: Fix potential out-of-bounds access in oob write When the oob buffer length is not in multiple of words, the oob write function does out-of-bounds read on the oob source buffer at the last iteration. Fix that by always checking length limit on the oob buffer read and fill with 0xff when reaching the end of the buffer to the oob registers.",
    "evidence": "osv:CVE-2023-53541",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "4.14.326",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "4.19.295",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.4.257",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.195",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.132",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.54",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.5.4",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-53541",
      "aliases": [
        "CVE-2023-53541"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "27c5b17cd1b10564fa36f8f51e4b4b41436ecc32"
                },
                {
                  "fixed": "2bc3d6ac704ea7263175ea3da663fdbbb7f3dd8b"
                },
                {
                  "fixed": "14b1d00520b4d6a4818364334ce472b79cfc8976"
                },
                {
                  "fixed": "aae45746f4aee9818296e0500e0703e9d8caa5b8"
                },
                {
                  "fixed": "d00b031266514a9395124704630b056a5185ec17"
                },
                {
                  "fixed": "2353b7bb61e45e7cfd21505d0c6747ac8c9496a1"
                },
                {
                  "fixed": "45fe4ad7f439799ee1b7b5f80bf82e8b34a98d25"
                },
                {
                  "fixed": "648d1150a688698e37f7aaf302860180901cb30e"
                },
                {
                  "fixed": "5d53244186c9ac58cb88d76a0958ca55b83a15cd"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53541.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.2.0"
                },
                {
                  "fixed": "4.14.326"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.15.0"
                },
                {
                  "fixed": "4.19.295"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.20.0"
                },
                {
                  "fixed": "5.4.257"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.195"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.132"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.54"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.5.4"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53541.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.075068416Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/14b1d00520b4d6a4818364334ce472b79cfc8976",
        "https://git.kernel.org/stable/c/2353b7bb61e45e7cfd21505d0c6747ac8c9496a1",
        "https://git.kernel.org/stable/c/2bc3d6ac704ea7263175ea3da663fdbbb7f3dd8b",
        "https://git.kernel.org/stable/c/45fe4ad7f439799ee1b7b5f80bf82e8b34a98d25",
        "https://git.kernel.org/stable/c/5d53244186c9ac58cb88d76a0958ca55b83a15cd",
        "https://git.kernel.org/stable/c/648d1150a688698e37f7aaf302860180901cb30e",
        "https://git.kernel.org/stable/c/aae45746f4aee9818296e0500e0703e9d8caa5b8",
        "https://git.kernel.org/stable/c/d00b031266514a9395124704630b056a5185ec17",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53541.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53541",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53541.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53541",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 509768,
  "published_at": "2025-10-04T15:16:50.765+00:00"
}