Bug 1775182 (CVE-2019-19037) - CVE-2019-19037 kernel: null-pointer dereference in ext4_empty_dir in fs/ext4/namei.c
Summary: CVE-2019-19037 kernel: null-pointer dereference in ext4_empty_dir in fs/ext4/...
Keywords:
Status: NEW
Alias: CVE-2019-19037
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: 1775183
Blocks: 1775185
TreeView+ depends on / blocked
 
Reported: 2019-11-21 14:30 UTC by Dhananjay Arunesh
Modified: 2019-12-10 21:14 UTC (History)
47 users (show)

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Description Dhananjay Arunesh 2019-11-21 14:30:36 UTC
A vulnerability was found in ext4_empty_dir in fs/ext4/namei.c in the Linux kernel allows a NULL pointer dereference because ext4_read_dirblock(inode,0,DIRENT_HTREE) can be zero.

Reference:
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19037

Comment 1 Dhananjay Arunesh 2019-11-21 14:31:03 UTC
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 1775183]


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