| Name | CVE-2015-2830 |
| Description | arch/x86/kernel/entry_64.S in the Linux kernel before 3.19.2 does not prevent the TS_COMPAT flag from reaching a user-mode task, which might allow local users to bypass the seccomp or audit protection mechanism via a crafted application that uses the (1) fork or (2) close system call, as demonstrated by an attack against seccomp before 3.16. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-246-1, DSA-3237-1 |
| NVD severity | low (attack range: local) |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | wheezy | 3.2.78-1 | fixed |
| wheezy (security) | 3.2.93-1 | fixed | |
| jessie | 3.16.43-2+deb8u2 | fixed | |
| jessie (security) | 3.16.43-2+deb8u5 | fixed | |
| stretch | 4.9.51-1 | fixed | |
| stretch (security) | 4.9.30-2+deb9u5 | fixed | |
| buster | 4.13.4-1 | fixed | |
| sid | 4.13.4-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | (unstable) | 3.16.7-ckt9-1 | low | ||
| linux | source | jessie | 3.16.7-ckt9-3~deb8u1 | low | DSA-3237-1 | |
| linux | source | wheezy | 3.2.68-1+deb7u1 | low | DSA-3237-1 | |
| linux-2.6 | source | (unstable) | (unfixed) | low | ||
| linux-2.6 | source | squeeze | 2.6.32-48squeeze12 | low | DLA-246-1 |
Upstream commit: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=956421fbb74c3a6261903f3836c0740187cf038b (v4.0-rc3)
http://www.openwall.com/lists/oss-security/2015/04/02/1