| Name | CVE-2019-19447 |
| Description | In the Linux kernel 5.0.21, mounting a crafted ext4 filesystem image, performing some operations, and unmounting can lead to a use-after-free in ext4_put_super in fs/ext4/super.c, related to dump_orphan_list in fs/ext4/super.c. |
| 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, DLA-2241-1, ELA-235-1 |
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 | 3.16.84-1 | DLA-2241-1 | ||
| linux | source | stretch | 4.9.210-1 | |||
| linux | source | buster | 4.19.98-1 | |||
| linux | source | (unstable) | 5.4.6-1 | |||
| linux-4.9 | source | jessie | 4.9.210-1~deb8u1 | DLA-2114-1 |
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19447
https://git.kernel.org/linus/c7df4a1ecb8579838ec8c56b2bb6a6716e974f37