{
  "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-2023-53800",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2023-53800",
    "idYear": 2023,
    "status": "PUBLISHED",
    "publishedAt": "2025-12-09T00:00:56.507Z",
    "updatedAt": "2026-10-15T21:41:36.295Z",
    "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": "ubi: Fix use-after-free when volume resizing failed",
      "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\nubi: Fix use-after-free when volume resizing failed\n\nThere is an use-after-free problem reported by KASAN:\n  ==================================================================\n  BUG: KASAN: use-after-free in ubi_eba_copy_table+0x11f/0x1c0 [ubi]\n  Read of size 8 at addr ffff888101eec008 by task ubirsvol/4735\n\n  CPU: 2 PID: 4735 Comm: ubirsvol\n  Not tainted 6.1.0-rc1-00003-g84fa3304a7fc-dirty #14\n  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),\n  BIOS 1.14.0-1.fc33 04/01/2014\n  Call Trace:\n   <TASK>\n   dump_stack_lvl+0x34/0x44\n   print_report+0x171/0x472\n   kasan_report+0xad/0x130\n   ubi_eba_copy_table+0x11f/0x1c0 [ubi]\n   ubi_resize_volume+0x4f9/0xbc0 [ubi]\n   ubi_cdev_ioctl+0x701/0x1850 [ubi]\n   __x64_sys_ioctl+0x11d/0x170\n   do_syscall_64+0x35/0x80\n   entry_SYSCALL_64_after_hwframe+0x46/0xb0\n   </TASK>\n\nWhen ubi_change_vtbl_record() returns an error in ubi_resize_volume(),\n\"new_eba_tbl\" will be freed on error handing path, but it is holded\nby \"vol->eba_tbl\" in ubi_eba_replace_table(). It means that the liftcycle\nof \"vol->eba_tbl\" and \"vol\" are different, so when resizing volume in\nnext time, it causing an use-after-free fault.\n\nFix it by not freeing \"new_eba_tbl\" after it replaced in\nubi_eba_replace_table(), while will be freed in next volume resizing.",
      "affected": [
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "801c135ce73d5df1caf3eca35b66a10824ae0707",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bf9875aa7f7d624a8c084425b14bf7e5907ebc30"
            },
            {
              "version": "801c135ce73d5df1caf3eca35b66a10824ae0707",
              "status": "affected",
              "versionType": "git",
              "lessThan": "bf795ebbb9995e2fe7945de71177f01c2f1215dc"
            },
            {
              "version": "801c135ce73d5df1caf3eca35b66a10824ae0707",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9c8be1f165baee53b5a36ea0b3c9281d403a1d0b"
            },
            {
              "version": "801c135ce73d5df1caf3eca35b66a10824ae0707",
              "status": "affected",
              "versionType": "git",
              "lessThan": "35f8d4064e54c18424db2997059d4c0b1d13d093"
            },
            {
              "version": "801c135ce73d5df1caf3eca35b66a10824ae0707",
              "status": "affected",
              "versionType": "git",
              "lessThan": "53818746e549e61841428892a8d94344494be797"
            },
            {
              "version": "801c135ce73d5df1caf3eca35b66a10824ae0707",
              "status": "affected",
              "versionType": "git",
              "lessThan": "b0c951742348d216f094d16ed4f70ae73db881c0"
            },
            {
              "version": "801c135ce73d5df1caf3eca35b66a10824ae0707",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3d6378f7056ac7350338f941001162a8f660853c"
            },
            {
              "version": "801c135ce73d5df1caf3eca35b66a10824ae0707",
              "status": "affected",
              "versionType": "git",
              "lessThan": "9af31d6ec1a4be4caab2550096c6bd2ba8fba472"
            }
          ]
        },
        {
          "vendor": "Linux",
          "product": "Linux",
          "defaultStatus": "affected",
          "versions": [
            {
              "version": "2.6.22",
              "status": "affected"
            },
            {
              "version": "0",
              "status": "unaffected",
              "versionType": "semver",
              "lessThan": "2.6.22"
            },
            {
              "version": "4.14.308",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.14.*"
            },
            {
              "version": "4.19.276",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "4.19.*"
            },
            {
              "version": "5.4.235",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.4.*"
            },
            {
              "version": "5.10.173",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.10.*"
            },
            {
              "version": "5.15.100",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "5.15.*"
            },
            {
              "version": "6.1.18",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.1.*"
            },
            {
              "version": "6.2.5",
              "status": "unaffected",
              "versionType": "semver",
              "lessThanOrEqual": "6.2.*"
            },
            {
              "version": "6.3",
              "status": "unaffected",
              "versionType": "original_commit_for_fix",
              "lessThanOrEqual": "*"
            }
          ]
        }
      ]
    }
  }
}