Lucene search
K
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

CVE-2021-46987

🗓️ 28 Feb 2024 08:13:14Reported by LinuxType 
cve
 cve🔗 web.nvd.nist.gov👁 6050 Views

CVE-2021-46987: Linux kernel btrfs vulnerability fixed for deadlock issue when cloning inline extents and using qgroups

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		Amazon Linux 2 : kernel, --advisory ALAS2KERNEL-5.10-2025-104 (ALASKERNEL-5.10-2025-104)
16 Sep 202500:00
–nessus
Tenable Nessus		Debian dla-4327 : ata-modules-5.10.0-35-armmp-di - security update
13 Oct 202500:00
–nessus
Tenable Nessus		Photon OS 4.0: Linux PHSA-2025-4.0-0834
27 Jul 202500:00
–nessus
Tenable Nessus		RHEL 6 : kernel (Unpatched Vulnerability)
11 May 202400:00
–nessus
Tenable Nessus		RHEL 7 : kernel (Unpatched Vulnerability)
11 May 202400:00
–nessus
Tenable Nessus		SUSE SLES12 Security Update : kernel (SUSE-SU-2025:02846-1)
19 Aug 202500:00
–nessus
Tenable Nessus		Linux Distros Unpatched Vulnerability : CVE-2021-46987
5 Mar 202500:00
–nessus
Amazon		Important: kernel
16 Sep 202500:00
–amazon
AstraLinux		 Astra Linux - уязвимость в linux-5.10
20 May 202605:53
–astralinux
Circl		CVE-2021-46987
28 Feb 202423:11
–circl
Rows per page
NVD
Vulners
CNA
Node
linuxlinux_kernelRange5.9–5.11.22
OR
linuxlinux_kernelRange5.12–5.12.5
OR
linuxlinux_kernelMatch5.13rc1
[
  {
    "product": "Linux",
    "vendor": "Linux",
    "defaultStatus": "unaffected",
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "programFiles": [
      "fs/btrfs/ctree.h",
      "fs/btrfs/inode.c",
      "fs/btrfs/ioctl.c",
      "fs/btrfs/qgroup.c",
      "fs/btrfs/send.c"
    ],
    "versions": [
      {
        "version": "c53e9653605dbf708f5be02902de51831be4b009",
        "lessThan": "f8fbbd06fab9b75dcd68d850fe318ac3bc128974",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c53e9653605dbf708f5be02902de51831be4b009",
        "lessThan": "d5347827d0b4b2250cbce6eccaa1c81dc78d8651",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c53e9653605dbf708f5be02902de51831be4b009",
        "lessThan": "96157707c0420e3d3edfe046f1cc797fee117ade",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "c53e9653605dbf708f5be02902de51831be4b009",
        "lessThan": "f9baa501b4fd6962257853d46ddffbc21f27e344",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "36af2de520cca7c37974cc4944b47850f6c460ee",
        "status": "affected",
        "versionType": "git"
      },
      {
        "version": "5.4.141",
        "lessThan": "5.5",
        "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/btrfs/ctree.h",
      "fs/btrfs/inode.c",
      "fs/btrfs/ioctl.c",
      "fs/btrfs/qgroup.c",
      "fs/btrfs/send.c"
    ],
    "versions": [
      {
        "version": "5.9",
        "status": "affected"
      },
      {
        "version": "0",
        "lessThan": "5.9",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.10.241",
        "lessThanOrEqual": "5.10.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.11.22",
        "lessThanOrEqual": "5.11.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.12.5",
        "lessThanOrEqual": "5.12.*",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "5.13",
        "lessThanOrEqual": "*",
        "status": "unaffected",
        "versionType": "original_commit_for_fix"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
23 May 2026 15:18Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.15.5
EPSS0.00013
SSVC
CWE-667
linuxkernelbtrfsvulnerabilitydeadlockcloninginline extentqgroups
6050