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CVE-2021-47088

🗓️ 04 Mar 2024 18:10:26Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 68 Views🌐 WEB

CVE-2021-47088: Linux kernel mm/damon/dbgfs vulnerabilit

Related
Detection
Affected
Refs
Paths
NVD
Vulners
CNA
Node
linuxlinux_kernelRange5.155.15.12
OR
linuxlinux_kernelMatch5.16rc1
OR
linuxlinux_kernelMatch5.16rc2
OR
linuxlinux_kernelMatch5.16rc3
OR
linuxlinux_kernelMatch5.16rc4
OR
linuxlinux_kernelMatch5.16rc5
OR
linuxlinux_kernelMatch5.16rc6
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/damon/dbgfs.c"
    ],
    "versions": [
      {
        "version": "4bc05954d0076655cfaf6f0135585bdc20cd6b11",
        "lessThan": "330c6117a82c16a9a365a51cec5c9ab30b13245c",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "4bc05954d0076655cfaf6f0135585bdc20cd6b11",
        "lessThan": "34796417964b8d0aef45a99cf6c2d20cebe33733",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "mm/damon/dbgfs.c"
    ],
    "versions": [
      {
        "version": "5.15",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.15",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.12",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.16",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
dbgfs_target_ids_readpathmm/damon/dbgfsUse-after-free due to destroying targets without holding kdamond_lock; fixed by protecting destruction with the corresponding lock.CWE-416
dbgfs_before_terminatepathmm/damon/dbgfsUse-after-free due to destroying targets without holding kdamond_lock; fixed by protecting destruction with the corresponding lock.CWE-416
kdamond_lockpathmm/damon/dbgfsUse-after-free due to destroying targets without holding kdamond_lock; fixed by protecting destruction with the corresponding lock.CWE-416

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11 May 2026 13:47Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17
EPSS0.00018
SSVC
68