| Name | CVE-2019-8912 |
| Description | In the Linux kernel through 4.20.11, af_alg_release() in crypto/af_alg.c neglects to set a NULL value for a certain structure member, which leads to a use-after-free in sockfs_setattr. |
| 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 | high (attack range: local) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | jessie | 3.16.56-1+deb8u1 | fixed |
| jessie (security) | 3.16.68-2 | fixed | |
| stretch | 4.9.168-1 | fixed | |
| stretch (security) | 4.9.168-1+deb9u3 | fixed | |
| buster, bullseye | 4.19.37-5 | fixed | |
| sid | 4.19.37-6 | 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) | 4.19.28-1 | high | ||
| linux | source | jessie | (not affected) | |||
| linux | source | stretch | (not affected) |
[stretch] - linux <not-affected> (Vulnerable code introduced later)
[jessie] - linux <not-affected> (Vulnerable code introduced later)