CVE-2021-4149

Source
https://cve.org/CVERecord?id=CVE-2021-4149
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4149.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-4149
Downstream
Related
Published
2022-03-23T20:15:09.997Z
Modified
2026-03-14T11:14:37.951200Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A vulnerability was found in btrfsalloctree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.

References

Affected packages

Git /

Affected ranges

Database specific

unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "fixed": "5.15"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.15-NA"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.15-rc1"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.15-rc2"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.15-rc3"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.15-rc4"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.15-rc5"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    }
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-4149.json"