| 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, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) | 
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status | 
|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed | 
|  | bullseye (security) | 5.10.244-1 | fixed | 
|  | bookworm | 6.1.148-1 | fixed | 
|  | bookworm (security) | 6.1.153-1 | fixed | 
|  | trixie | 6.12.43-1 | fixed | 
|  | trixie (security) | 6.12.48-1 | fixed | 
|  | forky, sid | 6.16.12-2 | fixed | 
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs | 
|---|
| linux | source | jessie | (not affected) |  |  |  | 
| linux | source | stretch | (not affected) |  |  |  | 
| linux | source | (unstable) | 4.19.28-1 |  |  |  | 
Notes
[stretch] - linux <not-affected> (Vulnerable code introduced later)
[jessie] - linux <not-affected> (Vulnerable code introduced later)