Vulnerability Monitor

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CVE-2019-19448

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.

Published

2019-12-08T02:15:09.907

Last Modified

2024-11-21T04:34:45.167

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Primary
    CWE-416
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel < 4.4.233 Yes
Operating System linux linux_kernel < 4.9.233 Yes
Operating System linux linux_kernel < 4.14.194 Yes
Operating System linux linux_kernel < 4.19.141 Yes
Operating System linux linux_kernel < 5.4.60 Yes
Operating System linux linux_kernel < 5.7.17 Yes
Operating System linux linux_kernel < 5.8.3 Yes
Operating System debian debian_linux 9.0 Yes
Operating System canonical ubuntu_linux 14.04 Yes
Operating System canonical ubuntu_linux 16.04 Yes
Operating System canonical ubuntu_linux 18.04 Yes
Application netapp active_iq_unified_manager - Yes
Application netapp cloud_backup - Yes
Application netapp data_availability_services - Yes
Application netapp hci_management_node - Yes
Application netapp solidfire - Yes
Application netapp steelstore_cloud_integrated_storage - Yes
Operating System netapp a700s_firmware - Yes
Hardware netapp a700s - No
Operating System netapp fas_8300_firmware - Yes
Hardware netapp fas_8300 - No
Operating System netapp fas_8700_firmware - Yes
Hardware netapp fas_8700 - No
Operating System netapp fas_a400_firmware - Yes
Hardware netapp fas_a400 - No
Operating System netapp aff_8300_firmware - Yes
Hardware netapp aff_8300 - No
Operating System netapp aff_8700_firmware - Yes
Hardware netapp aff_8700 - No
Operating System netapp aff_a400_firmware - Yes
Hardware netapp aff_a400 - No
Operating System netapp h610s_firmware - Yes
Hardware netapp h610s - No
Operating System netapp solidfire_baseboard_management_controller_firmware - Yes
Hardware netapp solidfire_baseboard_management_controller - No
References