| Name | CVE-2014-9715 |
| Description | include/net/netfilter/nf_conntrack_extend.h in the netfilter subsystem in the Linux kernel before 3.14.5 uses an insufficiently large data type for certain extension data, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via outbound network traffic that triggers extension loading, as demonstrated by configuring a PPTP tunnel in a NAT environment. |
| 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-3237-1 |
| Debian Bugs | 741667 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| linux (PTS) | buster | 4.19.249-2 | fixed |
| buster (security) | 4.19.304-1 | fixed | |
| bullseye | 5.10.209-2 | fixed | |
| bullseye (security) | 5.10.205-2 | fixed | |
| bookworm | 6.1.76-1 | fixed | |
| bookworm (security) | 6.1.85-1 | fixed | |
| trixie | 6.6.15-2 | fixed | |
| sid | 6.7.9-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| linux | source | wheezy | 3.2.68-1+deb7u1 | DSA-3237-1 | ||
| linux | source | jessie | 3.16.7-ckt9-3~deb8u1 | DSA-3237-1 | ||
| linux | source | (unstable) | 3.14.5-1 | 741667 | ||
| linux-2.6 | source | (unstable) | (not affected) |
- linux-2.6 <not-affected> (Introduced in 3.6)
http://marc.info/?l=netfilter-devel&m=140112364215200&w=2
Fixed by: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=223b02d923ecd7c84cf9780bb3686f455d279279 (v3.15-rc1)
Introduced by: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5b423f6a40a0327f9d40bc8b97ce9be266f74368 (v3.6-rc5)
Introduced in 3.2.x in https://git.kernel.org/cgit/linux/kernel/git/bwh/linux-3.2.y.git/commit/?id=cc1b75d796ad050c83c95733c4220aaa04fa1304 (v3.2.33)
https://www.openwall.com/lists/oss-security/2015/04/08/1