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CVE-2021-47072 btrfs: fix removed dentries still existing after log is synced

🗓️ 01 Mar 2024 21:15:10Reported by LinuxType 
cvelist
 cvelist
🔗 www.cve.org👁 16 Views

CVE-2021-47072 btrfs: fix removed dentries still existing after log is synced. Resolves vulnerability in Linux kernel pertaining to incorrect dentry persistence after power failure

Related
Affected
Refs
ReporterTitlePublishedViews
Family
BDU FSTEC
The vulnerability of the `btrfs_log_new_name()` function in the `fs/btrfs/tree-log.c` module of the file system support module for Linux’s kernel allows a hacker to cause a service failure.
2 May 202500:00
bdu_fstec
Circl
CVE-2021-47072
1 Mar 202423:07
circl
CNNVD
Linux kernel security vulnerabilities
1 Mar 202400:00
cnnvd
CVE
CVE-2021-47072
1 Mar 202421:15
cve
Debian CVE
CVE-2021-47072
1 Mar 202421:15
debiancve
NVD
CVE-2021-47072
1 Mar 202422:15
nvd
OSV
CVE-2021-47072
1 Mar 202422:15
osv
OSV
UBUNTU-CVE-2021-47072
1 Mar 202422:15
osv
Prion
Spoofing
1 Mar 202422:15
prion
Positive Technologies
PT-2024-11150 · Linux · Linux Kernel
14 May 202100:00
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/btrfs/tree-log.c"
    ],
    "versions": [
      {
        "version": "64d6b281ba4db044c946158387c74e1149b9487e",
        "lessThan": "6d0924c5b742036b4f20a0ffdf2b6cf3f963f5f6",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "64d6b281ba4db044c946158387c74e1149b9487e",
        "lessThan": "54a40fc3a1da21b52dbf19f72fdc27a2ec740760",
        "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/btrfs/tree-log.c"
    ],
    "versions": [
      {
        "version": "5.12",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.12",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.12.7",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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11 May 2026 13:47Current
6.6Medium risk
Vulners AI Score6.6
EPSS0.00193
16