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CVE-2019-19448

Published: Dec 8, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-416
7.8HIGH
NVD MITRE
EPSS Score
2.1%
Top 20.2%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

netapp
commercial·US
active iq unified manager
Hardware Firmware
cloud backup
Hardware Firmware
data availability services
Hardware Firmware
hci management node
Hardware Firmware
solidfire
Hardware Firmware
steelstore cloud integrated storage
Hardware Firmware
a700s firmware
Hardware Firmware
fas 8300 firmware
Hardware Firmware
linux
oss-projectaka the linux kernel
linux kernelOn-premOS
Operating Systems
debian
oss-project·GBaka debian gnu/linux
debian linuxOn-premOS
Operating Systems / linux-distro
canonical
commercial·GBaka canonical ltd.
ubuntu linuxOn-premOS
Operating Systems / linux-distro
АО «ИВК»
commercial·RUaka ivk
Альт 8 СПOn-premOS
Operating Systems / linux-distro
Сообщество свободного программного обеспечения
oss-projectaka fsf
LinuxOn-premOS
Operating Systems / linux-distro
and 9 more affected products View all →

Exploitability

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19448
github.com
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
lists.debian.org
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
lists.debian.org
and 18 more references View all →
News mentions
Could not load news mentions.

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