Bug 1775187 (CVE-2019-19036) - CVE-2019-19036 kernel: null-pointer dereference in btrfs_root_node in fs/btrfs/ctree.c
Summary: CVE-2019-19036 kernel: null-pointer dereference in btrfs_root_node in fs/btrf...
Keywords:
Status: NEW
Alias: CVE-2019-19036
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1775189
Blocks: 1775188
TreeView+ depends on / blocked
 
Reported: 2019-11-21 14:34 UTC by Dhananjay Arunesh
Modified: 2019-12-10 21:16 UTC (History)
47 users (show)

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Description Dhananjay Arunesh 2019-11-21 14:34:18 UTC
A vulnerability was found in 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.

Reference:
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19036

Comment 1 Dhananjay Arunesh 2019-11-21 14:35:25 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1775189]


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