| 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, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2114-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | jessie, jessie (lts) | 3.16.84-1 | fixed |
| stretch (security) | 4.9.320-2 | fixed |
| stretch (lts), stretch | 4.9.320-3 | fixed |
| buster (security), buster, buster (lts) | 4.19.316-1 | fixed |
| bullseye | 5.10.218-1 | fixed |
| bullseye (security) | 5.10.221-1 | fixed |
| bookworm | 6.1.94-1 | fixed |
| bookworm (security) | 6.1.99-1 | fixed |
| trixie | 6.9.10-1 | fixed |
| sid | 6.9.11-1 | fixed |
| linux-4.9 (PTS) | jessie, jessie (lts) | 4.9.303-1~deb8u3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | wheezy | (unfixed) | end-of-life | | |
| linux | source | jessie | (not affected) | | | |
| linux | source | stretch | 4.9.210-1 | | | |
| linux | source | buster | 4.19.98-1 | | | |
| linux | source | (unstable) | 5.4.8-1 | | | |
| linux-4.9 | source | jessie | 4.9.210-1~deb8u1 | | DLA-2114-1 | |
Notes
[jessie] - linux <not-affected> (Vulnerability introduced later)