CVE-2009-0676

NameCVE-2009-0676
DescriptionThe 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-1749-1, DSA-1787-1, DSA-1794-1

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
fai-kernelssourceetch1.17+etch.24etch2DSA-1794-1
linux-2.6sourceetch2.6.18.dfsg.1-24etch2DSA-1794-1
linux-2.6sourcelenny2.6.26-13lenny2DSA-1749-1
linux-2.6source(unstable)2.6.29-1low
linux-2.6.24sourceetch2.6.24-6~etchnhalf.8etch1DSA-1787-1
linux-2.6.24source(unstable)(unfixed)low
user-mode-linuxsourceetch2.6.18-1um-2etch.24etch2DSA-1794-1

Notes

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.

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