{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2023-54089",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-54089",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-24T13:06:18.904Z",
    "updatedAt": "2026-05-11T19:55:16.792Z",
    "importedAt": "2026-10-24T01:57:03.413Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "virtio_pmem: add the missing REQ_OP_WRITE for flush bio",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_pmem: add the missing REQ_OP_WRITE for flush bio\n\nWhen doing mkfs.xfs on a pmem device, the following warning was\n\n ------------[ cut here ]------------\n WARNING: CPU: 2 PID: 384 at block/blk-core.c:751 submit_bio_noacct\n Modules linked in:\n CPU: 2 PID: 384 Comm: mkfs.xfs Not tainted 6.4.0-rc7+ #154\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996)\n RIP: 0010:submit_bio_noacct+0x340/0x520\n ......\n Call Trace:\n  <TASK>\n  ? submit_bio_noacct+0xd5/0x520\n  submit_bio+0x37/0x60\n  async_pmem_flush+0x79/0xa0\n  nvdimm_flush+0x17/0x40\n  pmem_submit_bio+0x370/0x390\n  __submit_bio+0xbc/0x190\n  submit_bio_noacct_nocheck+0x14d/0x370\n  submit_bio_noacct+0x1ef/0x520\n  submit_bio+0x55/0x60\n  submit_bio_wait+0x5a/0xc0\n  blkdev_issue_flush+0x44/0x60\n\nThe root cause is that submit_bio_noacct() needs bio_op() is either\nWRITE or ZONE_APPEND for flush bio and async_pmem_flush() doesn't assign\nREQ_OP_WRITE when allocating flush bio, so submit_bio_noacct just fail\nthe flush bio.\n\nSimply fix it by adding the missing REQ_OP_WRITE for flush bio. And we\ncould fix the flush order issue and do flush optimization later.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "b4a6bb3a67aa0c37b2b6cd47efc326eb455de674",
              "status": "affected",
              "versionType": "git",
              "lessThan": "e39e870e1e683a71d3d2e63e661a5695f60931a7"
            },
            {
              "version": "b4a6bb3a67aa0c37b2b6cd47efc326eb455de674",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c7ab7e45ccef209809f8c2b00f497deec06b29c0"
            },
            {
              "version": "b4a6bb3a67aa0c37b2b6cd47efc326eb455de674",
              "status": "affected",
              "versionType": "git",
              "lessThan": "c1dbd8a849183b9c12d257ad3043ecec50db50b3"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "6.3",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "6.3"
            },
            {
              "version": "6.4.16",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.4.*"
            },
            {
              "version": "6.5.3",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.5.*"
            },
            {
              "version": "6.6",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}