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CVE-2026-63816 f2fs: atomic: fix UAF issue on f2fs_inode_info.atomic_inode

🗓️ 19 Jul 2026 12:02:15Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

Fix use-after-free in f2fs atomic inode during GC by referencing atomic_inode before mapping access.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-63816
19 Jul 202612:02
attackerkb
CVE
CVE-2026-63816
19 Jul 202612:02
cve
EUVD
EUVD-2026-45482
19 Jul 202612:02
euvd
NVD
CVE-2026-63816
19 Jul 202612:16
nvd
OSV
CVE-2026-63816 f2fs: atomic: fix UAF issue on f2fs_inode_info.atomic_inode
19 Jul 202612:02
osv
OSV
DEBIAN-CVE-2026-63816
19 Jul 202612:16
osv
OSV
UBUNTU-CVE-2026-63816
20 Jul 202600:00
osv
Positive Technologies
PT-2026-61132
19 Jul 202600:00
ptsecurity
SUSE CVE
SUSE CVE-2026-63816
19 Jul 202617:34
susecve
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-63816
19 Jul 202600:00
nessus
Rows per page
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/f2fs/gc.c",
      "fs/f2fs/inode.c"
    ],
    "versions": [
      {
        "version": "3db1de0e582c358dd013f3703cd55b5fe4076436",
        "lessThan": "56038756aae68312df00d4aa1d97e51ef3aca725",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3db1de0e582c358dd013f3703cd55b5fe4076436",
        "lessThan": "a499f77c06050a28c897bdbd86cd2f0721ae0743",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3db1de0e582c358dd013f3703cd55b5fe4076436",
        "lessThan": "a805fec35c201c59643ddcde713bce4051c8ee27",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "3db1de0e582c358dd013f3703cd55b5fe4076436",
        "lessThan": "e0288584baa5dc41df4a829a023c4c1b33fe53d7",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "6db52f1944417c2601182a591a704e2f119c5215",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.18.18",
        "lessThan": "5.19",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/f2fs/gc.c",
      "fs/f2fs/inode.c"
    ],
    "versions": [
      {
        "version": "5.19",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.19",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.12.96",
        "lessThanOrEqual": "6.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "6.18.39",
        "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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