In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image and performing some operations can cause slab-out-of-bounds write access in __btrfs_map_block in fs/btrfs/volumes.c, because a value of 1 for the number of data stripes is mishandled.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2385-1 linux-4.19 security update
Debian DLA Debian DLA DLA-2483-1 linux-4.19 security update
Debian DLA Debian DLA DLA-2586-1 linux security update
EUVD EUVD EUVD-2019-9414 In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image and performing some operations can cause slab-out-of-bounds write access in __btrfs_map_block in fs/btrfs/volumes.c, because a value of 1 for the number of data stripes is mishandled.
Ubuntu USN Ubuntu USN USN-4414-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4708-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4709-1 Linux kernel vulnerabilities
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sun, 13 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00229}

epss

{'score': 0.00188}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T02:25:12.674Z

Reserved: 2019-12-16T00:00:00

Link: CVE-2019-19816

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-12-17T06:15:12.907

Modified: 2024-11-21T04:35:26.963

Link: CVE-2019-19816

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-12-17T00:00:00Z

Links: CVE-2019-19816 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses