CVE-2019-19816

Advisory lineage Upstream: 0 Downstream: 8
Modified
Published: 17 Dec 2019, 05:58
Last modified:05 Aug 2024, 02:25

Vulnerability Summary

Overall Risk (default)
high
70/100
CVSS Score
9.3 HIGH
v2.0 (nvd)
EPSS Score
1.15% LOW
1% probability +0.90%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected

Timeline

17 Dec 2019, 05:58
Published
Vulnerability first disclosed
05 Aug 2024, 02:25
Last Modified
Vulnerability information updated

Description

In the Linux kernel 5.0.21, mounting a crafted btrfs filesystem image and performing some operations can cause slab-out-of-bounds write access in __btrfs_map_block in fs/btrfs/volumes.c, because a value of 1 for the number of data stripes is mishandled.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 9.3AV:N/AC:M/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 1.15%• Percentile: 79%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • canonical•ubuntu_linux

    14.04 | 16.04 | 18.04

  • debian•debian_linux

    9.0

  • linux•linux_kernel

    ≥ 2.6.12, < 4.4.247 | ≥ 4.5, < 4.9.247 | ≥ 4.10, < 4.14.210 | ≥ 4.15, < 4.19.137 | ≥ 4.20, < 5.2

  • netapp•active_iq_unified_manager

    ≥ 9.5

  • netapp•aff_a400_firmware

    na

  • netapp•aff_a700s

    na

  • netapp•data_availability_services

    na

  • netapp•fas8300_firmware

    na

  • netapp•fas8700_firmware

    na

  • netapp•h610s_firmware

    na

  • netapp•hci_management_node

    na

  • netapp•solidfire

    na

  • netapp•steelstore_cloud_integrated_storage

    na

References (6)