| Name | CVE-2009-0676 |
| Description | The sock_getsockopt function in net/core/sock.c in the Linux kernel before 2.6.28.6 does not initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel memory via an SO_BSDCOMPAT getsockopt request. |
| 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-1749-1, DSA-1787-1, DSA-1794-1 |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| fai-kernels | source | etch | 1.17+etch.24etch2 | DSA-1794-1 | ||
| linux-2.6 | source | etch | 2.6.18.dfsg.1-24etch2 | DSA-1794-1 | ||
| linux-2.6 | source | lenny | 2.6.26-13lenny2 | DSA-1749-1 | ||
| linux-2.6 | source | (unstable) | 2.6.29-1 | low | ||
| linux-2.6.24 | source | etch | 2.6.24-6~etchnhalf.8etch1 | DSA-1787-1 | ||
| linux-2.6.24 | source | (unstable) | (unfixed) | low | ||
| user-mode-linux | source | etch | 2.6.18-1um-2etch.24etch2 | DSA-1794-1 |
Original fix was incomplete/risky, see:
<http://marc.info/?l=linux-kernel&m=123540732700371&w=2>
Reproducer in <https://bugzilla.redhat.com/show_bug.cgi?id=486305>
lacks initialzer for len. Leak confirmed with fixed reproducer.