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CVE-2026-63808 exfat: fix potential use-after-free in exfat_find_dir_entry()

🗓️ 19 Jul 2026 12:02:11Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 29 Views

Fix potential use after free in exfat_find_dir_entry by moving brelse after directory entry reads.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-63808
19 Jul 202612:02
attackerkb
Circl
CVE-2026-63808
20 Jul 202612:51
circl
CVE
CVE-2026-63808
19 Jul 202612:02
cve
Debian CVE
CVE-2026-63808
19 Jul 202612:02
debiancve
EUVD
EUVD-2026-45474
19 Jul 202612:02
euvd
NVD
CVE-2026-63808
19 Jul 202612:16
nvd
OSV
CVE-2026-63808 exfat: fix potential use-after-free in exfat_find_dir_entry()
19 Jul 202612:02
osv
OSV
DEBIAN-CVE-2026-63808
19 Jul 202612:16
osv
OSV
UBUNTU-CVE-2026-63808
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61124
19 Jul 202600:00
ptsecurity
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/exfat/dir.c"
    ],
    "versions": [
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "e6f1a11cfb808441a43ffae9b476cc135732cd27",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "e48f413c2815787b8cade2795e194e3c4cd782ef",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "06c4e1e9967d332ac33ba38b7819851089ff9359",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "8e0abc17fbd7e305802e84fe98b4950d50f9c433",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "4d101016d5e587f820b3ae2d5bb6770d86342649",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "adfacfbaeae2cb760f492357cc36b41f84ef7f86",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "708b97e792945d3e4653939fd3405d71a61ad065",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "ca06197382bde0a3bc20215595d1c9ce20c6e341",
        "lessThan": "3f5f8ee9917cc2b9076ac533492d8a200edcabb8",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/exfat/dir.c"
    ],
    "versions": [
      {
        "version": "5.7",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.7",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.260",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.211",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.177",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.144",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.95",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.38",
        "lessThanOrEqual": "6.18.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.1.3",
        "lessThanOrEqual": "7.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "7.2-rc1",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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