CVE-2019-19318
Medium
Description
In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsem_down_write_slowpath use-after-free because (in rwsem_can_spin_on_owner in kernel/locking/rwsem.c) rwsem_owner_flags returns an already freed pointer,
SeverityMedium
CVSS4.4
Exploit probability—
Product
Linux Kernel
PublishedNov 28, 2019
First seenNov 28, 2019
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.0.21, 5.3.11 | — |
| opensuse leap | 15.1 | — |
| canonical ubuntu_linux | 14.04, 16.04, 18.04 | — |
| debian debian_linux | 9.0 | — |
| netapp active_iq_unified_manager | 9.5 ≤ v | — |
| netapp data_availability_services | No range specified | — |
| netapp hci_management_node | No range specified | — |
| netapp solidfire | No range specified | — |
| netapp steelstore_cloud_integrated_storage | No range specified | — |
| netapp aff_a700s_firmware | No range specified | — |
| netapp fas8300_firmware | No range specified | — |
| netapp fas8700_firmware | No range specified | — |
| netapp aff_a400_firmware | No range specified | — |
| netapp h610s_firmware | No range specified | — |
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