Description
In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.
Published: 2019-12-08
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Tracking

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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-2420-1 linux security update
Debian DLA Debian DLA DLA-2420-2 linux regression update
EUVD EUVD EUVD-2019-9069 In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in try_merge_free_space in fs/btrfs/free-space-cache.c because the pointer to a left data structure can be the same as the pointer to a right data structure.
Ubuntu USN Ubuntu USN USN-4578-1 Linux kernel vulnerabilities
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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T02:16:47.095Z

Reserved: 2019-11-29T00:00:00.000Z

Link: CVE-2019-19448

cve-icon Vulnrichment

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cve-icon NVD

Status : Modified

Published: 2019-12-08T02:15:09.907

Modified: 2024-11-21T04:34:45.167

Link: CVE-2019-19448

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-12-10T00:00:00Z

Links: CVE-2019-19448 - Bugzilla

cve-icon OpenCVE Enrichment

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Weaknesses