Security Advisory

CVE-2019-19813

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2019-12-17 05:43:52

Last updated 2024-08-05 02:25:12

Assigner mitre

State PUBLISHED

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.

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