| Name | CVE-2019-19037 |
| Description | ext4_empty_dir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4_read_dirblock(inode,0,DIRENT_HTREE) can be zero. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| NVD severity | medium |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | jessie | 3.16.56-1+deb8u1 | fixed |
| jessie (security) | 3.16.81-1 | fixed | |
| stretch | 4.9.189-3 | vulnerable | |
| stretch (security) | 4.9.189-3+deb9u2 | vulnerable | |
| buster | 4.19.67-2+deb10u1 | vulnerable | |
| buster (security) | 4.19.67-2+deb10u2 | vulnerable | |
| bullseye, sid | 5.4.13-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | (unstable) | 5.4.8-1 | |||
| linux | source | jessie | (not affected) |
[jessie] - linux <not-affected> (Vulnerability introduced later)