| Name | CVE-2018-6412 |
| Description | In the function sbusfb_ioctl_helper() in drivers/video/fbdev/sbuslib.c in the Linux kernel through 4.15, an integer signedness error allows arbitrary information leakage for the FBIOPUTCMAP_SPARC and FBIOGETCMAP_SPARC commands. |
| 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-1423-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| linux (PTS) | buster | 4.19.249-2 | fixed |
| buster (security) | 4.19.289-2 | fixed |
| bullseye | 5.10.178-3 | fixed |
| bullseye (security) | 5.10.191-1 | fixed |
| bookworm | 6.1.38-1 | fixed |
| bookworm (security) | 6.1.52-1 | fixed |
| sid, trixie | 6.5.3-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| linux | source | wheezy | 3.2.102-1 | | | |
| linux | source | jessie | 3.16.57-1 | | | |
| linux | source | stretch | 4.9.107-1 | | | |
| linux | source | (unstable) | 4.16.5-1 | unimportant | | |
| linux-4.9 | source | jessie | 4.9.110-1~deb8u1 | | DLA-1423-1 | |
Notes
https://marc.info/?l=linux-fbdev&m=151734425901499&w=2
The issue only affects SPARC systems.