Tracker / CVE-2019-19813
CVE-2019-19813
Medium 5.5
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.
Affected products and versions
| canonical | ubuntu_linux |
|---|---|
| debian | debian_linux |
| linux | linux_kernel |
| netapp | active_iq_unified_manager · 9.5 → … |
| netapp | aff_a400_firmware |
| netapp | aff_a700s_firmware |
| netapp | data_availability_services |
| netapp | fas8300_firmware |
| netapp | fas8700_firmware |
| netapp | h610s_firmware |
| netapp | hci_management_node |
| netapp | solidfire |
| netapp | steelstore_cloud_integrated_storage |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.