| Name | CVE-2014-0196 |
| Description | The n_tty_write function in drivers/tty/n_tty.c in the Linux kernel through 3.14.3 does not properly manage tty driver access in the "LECHO & !OPOST" case, which allows local users to cause a denial of service (memory corruption and system crash) or gain privileges by triggering a race condition involving read and write operations with long strings. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-2926-1, DSA-2928-1 |
| Debian Bugs | 747166 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | bullseye | 5.10.223-1 | fixed |
| bullseye (security) | 5.10.234-1 | fixed | |
| bookworm | 6.1.129-1 | fixed | |
| bookworm (security) | 6.1.128-1 | fixed | |
| trixie | 6.12.21-1 | fixed | |
| sid | 6.12.22-1 | 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 | 3.2.57-3+deb7u1 | DSA-2926-1 | ||
| linux | source | (unstable) | 3.14.4-1 | 747166 | ||
| linux-2.6 | source | squeeze | 2.6.32-48squeeze6 | DSA-2928-1 | ||
| linux-2.6 | source | (unstable) | (unfixed) |
PoC: http://pastebin.com/yTSFUBgZ