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CVE-2025-40265

🗓️ 04 Dec 2025 16:08:24Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 60 Views

CVE-2025-40265 fixes missing sb_min_blocksize() checks to prevent kernel panic mounting vfat with eight kilobyte blocks.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10
20 May 202605:53
–astralinux
bdu_fstec
BDU FSTEC
Linux kernel fs/fat/inode.c Heap Buffer Overflow DoS
16 Dec 202500:00
–bdu_fstec
circl
Circl
CVE-2025-40265
4 Dec 202518:25
–circl
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
4 Dec 202500:00
–cnnvd
cvelist
Cvelist
CVE-2025-40265 vfat: fix missing sb_min_blocksize() return value checks
4 Dec 202516:08
–cvelist
debiancve
Debian CVE
CVE-2025-40265
4 Dec 202516:08
–debiancve
euvd
EUVD
EUVD-2025-201192
4 Dec 202516:08
–euvd
hp
Hewlett-Packard
HP ThinPro 9 SP3 Security Updates
2 Oct 202600:00
–hp
hp
Hewlett-Packard
HP ThinPro 8.1 SP10 Security Updates
2 Oct 202600:00
–hp
nvd
NVD
CVE-2025-40265
4 Dec 202516:16
–nvd
Rows per page
Vulners
CNA
Node
OR
linuxlinux_kernelRange6.15–6.17.10
linuxlinux_kernelRange6.18.0≥
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/fat/inode.c"
    ],
    "versions": [
      {
        "version": "a64e5a596067bddba87fcc2ce37e56c3fca831b7",
        "lessThan": "ee767b99b0045be286cceb8265bd4c9831be671e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "a64e5a596067bddba87fcc2ce37e56c3fca831b7",
        "lessThan": "63b5aa01da0f38cdbd97d021477258e511631497",
        "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/fat/inode.c"
    ],
    "versions": [
      {
        "version": "6.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "6.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.17.10",
        "lessThanOrEqual": "6.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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19 Oct 2026 22:10Current
6Medium risk
Vulners AI Score6
EPSS0.00191
60