CVE-2019-19447

High

Description

In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.c.

SeverityHigh
CVSS7.8
Exploit probability—
ProductLinux Kernel
PublishedDec 8, 2019
First seenDec 8, 2019

How to fix

Update
  • linux linux_kernel3.16.82, 4.4.208, 4.9.208, 4.14.159, 4.19.90, 5.3.17, 5.4.4 or later

Affected products

ProductAffected versionsFixed in
linux linux_kernel2.6.12 ≤ v < 3.16.82, 3.17 ≤ v < 4.4.208, 4.5.0 ≤ v < 4.9.208, 4.10 ≤ v < 4.14.159, 4.15 ≤ v < 4.19.90, 4.20 ≤ v < 5.3.17, 5.4 ≤ v < 5.4.43.16.82, 4.4.208, 4.9.208, 4.14.159, 4.19.90, 5.3.17, 5.4.4
netapp active_iq_unified_managerNo range specified—
netapp cloud_backupNo range specified—
netapp data_availability_servicesNo range specified—
netapp hci_baseboard_management_controllerh610s—
netapp steelstore_cloud_integrated_storageNo range specified—
netapp solidfire_baseboard_management_controllerNo range specified—

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