CVE-2026-63818

🗓️ 19 Jul 2026 12:02:17Reported by LinuxType

F2FS validates orphan inode entry_count during recovery to prevent kernel panic and mark error for fsck.

Reporter	Title	Published	Views	Family All 39
ATTACKERKB	CVE-2026-63818	19 Jul 202612:02	–	attackerkb
Circl	CVE-2026-63818	19 Jul 202616:25	–	circl
Cvelist	CVE-2026-63818 f2fs: validate orphan inode entry count	19 Jul 202612:02	–	cvelist
Debian	[SECURITY] [DLA 4717-1] linux security update	5 Aug 202608:03	–	debian
Debian	[SECURITY] [DLA 4720-1] linux security update	5 Aug 202616:10	–	debian
Debian	[SECURITY] [DLA 4723-1] linux-6.1 security update	7 Aug 202608:04	–	debian
Debian	[SECURITY] [DLA 4724-1] linux-6.12 new package	7 Aug 202609:29	–	debian
Debian	[SECURITY] [DSA 6393-1] linux security update	21 Jul 202613:11	–	debian
Debian CVE	CVE-2026-63818	19 Jul 202612:02	–	debiancve
Tenable Nessus	Debian dla-4717 : ata-modules-5.10.0-43-armmp-di - security update	5 Aug 202600:00	–	nessus

Vulners

CNA

Node

linux linux_kernelRange3.8–5.10.261

linux linux_kernelRange5.11.0–5.15.212

linux linux_kernelRange5.16.0–6.1.178

linux linux_kernelRange6.2.0–6.6.145

linux linux_kernelRange6.7.0–6.12.96

linux linux_kernelRange6.13.0–6.18.38

linux linux_kernelRange6.19.0–7.1.3

linux linux_kernelRange7.2.0–7.2-rc1

[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/f2fs/checkpoint.c",
      "include/linux/f2fs_fs.h"
    ],
    "versions": [
      {
        "version": "127e670abfa7fa150f6550d620ded930f5bdb4e7",
        "lessThan": "210c210c92d78fdf5051bc55c5c69044b1a2150a",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "127e670abfa7fa150f6550d620ded930f5bdb4e7",
        "lessThan": "ad101d15716f5a24d1fa82a849f80430c805a3dd",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "127e670abfa7fa150f6550d620ded930f5bdb4e7",
        "lessThan": "d18c81f5d0ecd5796aa47d66d98f2dd54d8d0f70",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "127e670abfa7fa150f6550d620ded930f5bdb4e7",
        "lessThan": "d2f236196d542ccd8505736e41c3a1d3f0305f6f",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "127e670abfa7fa150f6550d620ded930f5bdb4e7",
        "lessThan": "550511a2470f6d204fa07b331f048bd2d3c51280",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "127e670abfa7fa150f6550d620ded930f5bdb4e7",
        "lessThan": "8aad54746c251f2c2370118df766c0c82e2d2091",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "127e670abfa7fa150f6550d620ded930f5bdb4e7",
        "lessThan": "2e12381d4495dc8b0ff042c6856022b2e359835c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "127e670abfa7fa150f6550d620ded930f5bdb4e7",
        "lessThan": "846c499a65816d13f1186e3090e825e8bb8bcb8b",
        "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/f2fs/checkpoint.c",
      "include/linux/f2fs_fs.h"
    ],
    "versions": [
      {
        "version": "3.8",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "3.8",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.261",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.212",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.1.178",
        "lessThanOrEqual": "6.1.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.6.145",
        "lessThanOrEqual": "6.6.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.96",
        "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"
      }
    ]
  }
]

Source	Link
git	www.git.kernel.org/stable/c/846c499a65816d13f1186e3090e825e8bb8bcb8b
git	www.git.kernel.org/stable/c/8aad54746c251f2c2370118df766c0c82e2d2091
git	www.git.kernel.org/stable/c/2e12381d4495dc8b0ff042c6856022b2e359835c
git	www.git.kernel.org/stable/c/ad101d15716f5a24d1fa82a849f80430c805a3dd
git	www.git.kernel.org/stable/c/550511a2470f6d204fa07b331f048bd2d3c51280
git	www.git.kernel.org/stable/c/d18c81f5d0ecd5796aa47d66d98f2dd54d8d0f70
git	www.git.kernel.org/stable/c/210c210c92d78fdf5051bc55c5c69044b1a2150a
git	www.git.kernel.org/stable/c/d2f236196d542ccd8505736e41c3a1d3f0305f6f

05 Aug 2026 12:36Current

5.5Medium risk

Vulners AI Score5.5

CVSS 3.18.4

EPSS0.0014