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CVE-2019-19318

Published: Nov 27, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-416
NVD MITRE
4.4CVSSMEDIUM
EPSS Score
0.6%
Top 54.0%
CISA KEV
Not in KEV
Exploits
2 Known
Remediation
Patch Available

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,

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

OpenSUSE LeapNovell Inc.
On-premOS
Operating Systems / linux-distro
LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
n/an/a
linux kernellinux
On-premOS
Operating Systems
leapopensuse
On-premOS
Operating Systems / linux-distro
novell inc.commercialUSOperating Systems
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
linuxoss-projectOperating Systemsaka the linux kernel
opensuseoss-projectDEOperating Systemsaka opensuse
and 12 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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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

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
lists.opensuse.org
https://bugzilla.suse.com/show_bug.cgi?id=1158026
bugzilla.suse.com
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19318
cve.mitre.org
and 14 more references View all →

Timeline

Published
Nov 27, 2019
Last Updated
Nov 21, 2024

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