| Name | CVE-2018-20449 |
| Description | The hidma_chan_stats function in drivers/dma/qcom/hidma_dbg.c in the Linux kernel 4.14.90 allows local users to obtain sensitive address information by reading "callback=" lines in a debugfs file. |
| 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) |
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 | vulnerable |
| stretch (lts), stretch | 4.9.320-3 | vulnerable |
| buster | 4.19.249-2 | fixed |
| buster (security) | 4.19.269-1 | fixed |
| bullseye | 5.10.158-2 | fixed |
| bullseye (security) | 5.10.162-1 | fixed |
| bookworm | 6.1.15-1 | fixed |
| sid | 6.1.20-1 | 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 | (unfixed) | end-of-life | | |
| linux | source | jessie | (not affected) | | | |
| linux | source | (unstable) | 4.15.4-1 | | | |
Notes
[stretch] - linux <ignored> (Minor issue)
[jessie] - linux <not-affected> (Vulnerable code introduced later)
https://lists.debian.org/debian-security-tracker/2019/01/msg00029.html