UBUNTU-CVE-2019-19036
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UBUNTU-CVE-2019-19036
Published: 21 Nov 2019Last Modified: 9 Sept 2026
Upstream:
Aliases:
Summary:
Details: btrfs_root_node in fs/btrfs/ctree.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because rcu_dereference(root->node) can be zero.
References: https://ubuntu.com/security/CVE-2019-19036, https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19036, https://ubuntu.com/security/notices/USN-4414-1, https://ubuntu.com/security/notices/USN-4439-1, https://www.cve.org/CVERecord?id=CVE-2019-19036
Affected packages
Package
Name: linux-azure
Purl: pkg:deb/ubuntu/linux-azure?arch=source&distro=trusty%2Fesm
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -4.15.0-1091.101~14.04.1
Affected versions
4.15.0-1023.24~14.04.1
4.15.0-1030.31~14.04.1
4.15.0-1031.32~14.04.1
4.15.0-1032.33~14.04.2
4.15.0-1035.36~14.04.2
4.15.0-1036.38~14.04.2
4.15.0-1037.39~14.04.2
4.15.0-1039.41~14.04.2
4.15.0-1040.44~14.04.1
4.15.0-1041.45~14.04.1
4.15.0-1042.46~14.04.1
4.15.0-1045.49~14.04.1
4.15.0-1046.50~14.04.1
4.15.0-1047.51~14.04.1
4.15.0-1049.54~14.04.1
4.15.0-1050.55~14.04.1
4.15.0-1051.56~14.04.1
4.15.0-1052.57~14.04.1
4.15.0-1055.60~14.04.1
4.15.0-1056.61~14.04.1
4.15.0-1057.62~14.04.1
4.15.0-1059.64~14.04.1
4.15.0-1060.65~14.04.1
4.15.0-1061.66~14.04.1
4.15.0-1063.68~14.04.1
4.15.0-1064.69~14.04.1
4.15.0-1066.71~14.04.1
4.15.0-1067.72~14.04.1
4.15.0-1069.74~14.04.1
4.15.0-1071.76~14.04.1
4.15.0-1074.79~14.04.1
4.15.0-1077.82~14.04.1
4.15.0-1082.92~14.04.1
4.15.0-1083.93~14.04.1
4.15.0-1089.99~14.04.1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
