CVE-2019-19813

Source
https://cve.org/CVERecord?id=CVE-2019-19813
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19813.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-19813
Downstream
Published
2019-12-17T06:15:12.780Z
Modified
2026-03-15T22:28:05.284099Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in __mutexlock in kernel/locking/mutex.c. This is related to mutexcan_spinonowner in kernel/locking/mutex.c, __btrfsqgroupfreemeta in fs/btrfs/qgroup.c, and btrfsinsertdelayeditems in fs/btrfs/delayed-inode.c.

References

Affected packages

Git /

Affected ranges

Database specific

unresolved_ranges
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "5.0.21"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "14.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "16.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "18.04"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "9.0"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "9.5"
            }
        ]
    }
]
source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-19813.json"