CVE-2019-19813 - CVE House
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Status published Medium CVE-2019-19813

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem...

Vulnerability Description

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 __mutex_lock in kernel/locking/mutex.c. This is related to mutex_can_spin_on_owner in kernel/locking/mutex.c, __btrfs_qgroup_free_meta in fs/btrfs/qgroup.c, and btrfs_insert_delayed_items in fs/btrfs/delayed-inode.c.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

linux kernel, ubuntu linux, debian linux, active iq unified manager, data availability services, hci management node, solidfire, steelstore cloud integrated storage, aff a700s firmware, fas8300 firmware, fas8700 firmware, aff a400 firmware, h610s firmware
Vulnerable Versions:
5.0.21, 14.04, 16.04, 18.04, 9.0, 9.5

Timeline

Official Publish: December 17th, 2019
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.