CVE-2019-19448 (High) detected in linuxlinux-4.19.238 - autoclosed

[mend-bolt-for-github[bot]]

CVE-2019-19448 - High Severity Vulnerability

Vulnerable Library - linuxlinux-4.19.238

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 63fcdaa32317d63a37988731632cf4e8d4c6072a

Found in base branch: master

Vulnerable Source Files (2)

/fs/btrfs/free-space-cache.c /fs/btrfs/free-space-cache.c

Vulnerability Details

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.

Publish Date: 2019-12-08

URL: CVE-2019-19448

CVSS 3 Score Details (7.8)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Local - Attack Complexity: Low - Privileges Required: None - User Interaction: Required - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://www.linuxkernelcves.com/cves/CVE-2019-19448

Release Date: 2020-11-02

Fix Resolution: v4.4.233, v4.9.233, v4.14.194, v4.19.141, v5.4.60, v5.7.17, v5.8.3

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[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.

[mend-bolt-for-github[bot]]

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.