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CVE-2021-47649

🗓️ 26 Feb 2025 01:54:16Reported by LinuxType 
cve
 cve
🔗 web.nvd.nist.gov👁 178 Views

Vulnerability CVE-2021-47649 fixed by validating udmabuf's pagecount in the Linux kernel.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
astralinux
AstraLinux
Astra Linux – Vulnerability in Linux 5.10, Linux
14 Sep 202612:41
–astralinux
bdu_fstec
BDU FSTEC
Linux kernel UDMA Buffer Overflow DoS
27 Mar 202600:00
–bdu_fstec
cnnvd
CNNVD
Linux Kernel Security Vulnerabilities
26 Feb 202500:00
–cnnvd
cvelist
Cvelist
CVE-2021-47649 udmabuf: validate ubuf->pagecount
26 Feb 202501:54
–cvelist
debiancve
Debian CVE
CVE-2021-47649
26 Feb 202501:54
–debiancve
euvd
EUVD
EUVD-2021-34656
14 Oct 202521:30
–euvd
nvd
NVD
CVE-2021-47649
26 Feb 202506:37
–nvd
openvas
OpenVAS
SUSE: Security Advisory (SUSE-SU-2025:1027-1)
28 Mar 202500:00
–openvas
openvas
OpenVAS
SUSE: Security Advisory (SUSE-SU-2025:1241-1)
16 Apr 202500:00
–openvas
osv_cve
osv_cve
CVE-2021-47649
26 Feb 202506:37
–osv_cve
Rows per page
NVD
Vulners
CNA
Node
OR
linuxlinux_kernelRange4.20–5.4.189
linuxlinux_kernelRange5.5–5.10.110
linuxlinux_kernelRange5.11–5.15.33
linuxlinux_kernelRange5.16–5.16.19
linuxlinux_kernelRange5.17–5.17.2
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/dma-buf/udmabuf.c"
    ],
    "versions": [
      {
        "version": "fbb0de795078190a9834b3409e4b009cfb18a6d4",
        "lessThan": "5d50f851dd307c07ca5591297093f19967c834a9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fbb0de795078190a9834b3409e4b009cfb18a6d4",
        "lessThan": "b267a8118c2b171bf7d67b90ed64154eeab9fae0",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fbb0de795078190a9834b3409e4b009cfb18a6d4",
        "lessThan": "811b667cefbea9cb7511a874b169d6a92907137e",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fbb0de795078190a9834b3409e4b009cfb18a6d4",
        "lessThan": "a3728d32fc61eb0fe283cb8ff60b2c8f751e2202",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fbb0de795078190a9834b3409e4b009cfb18a6d4",
        "lessThan": "9e9b4a269f84d3230f2af84ff42322db676440d9",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "fbb0de795078190a9834b3409e4b009cfb18a6d4",
        "lessThan": "2b6dd600dd72573c23ea180b5b0b2f1813405882",
        "status": "affected",
        "versionType": "git"
      }
    ]
  },
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "affected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "drivers/dma-buf/udmabuf.c"
    ],
    "versions": [
      {
        "version": "4.20",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "4.20",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.4.189",
        "lessThanOrEqual": "5.4.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.110",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.15.33",
        "lessThanOrEqual": "5.15.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.16.19",
        "lessThanOrEqual": "5.16.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.17.2",
        "lessThanOrEqual": "5.17.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.18",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

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17 Jun 2026 04:18Current
6Medium risk
Vulners AI Score6
CVSS 3.15.5
EPSS0.00247
178