CVE-2019-19448

CVE Details

Release Date:2019-12-08

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.

See more information about CVE-2019-19448 from MITRE CVE dictionary and NIST NVD


CVSS v3.0 metrics


NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score: 7.8 Base Metrics: AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Access Vector: Local network Attack Complexity: Low
Privileges Required: None User Interaction: Required
Scope: Unchanged Confidentiality Impact: High
Integrity Impact: High Availability Impact: High

Errata information


PlatformErrataRelease Date
Oracle Linux version 6 (kernel-uek)ELSA-2021-94592021-09-22
Oracle Linux version 7 (kernel-uek)ELSA-2020-59132020-11-10
Oracle Linux version 7 (kernel-uek)ELSA-2021-94592021-09-22
Oracle VM version 3 (kernel-uek)OVMSA-2021-00312021-09-22



This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team

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