1.9
CWE
909
Advisory Published
CVE Published
Updated

CVE-2010-4078

First published: Mon Nov 01 2010(Updated: )

Description of problem: The FBIOGET_VBLANK device ioctl in sis_main.c allows unprivileged users to read 16 bytes of uninitialized stack memory, because the 'reserved' member of the fb_vblank struct declared on the stack is not altered or zeroed before being copied back to the user. Reference: <a href="http://www.openwall.com/lists/oss-security/2010/10/06/6">http://www.openwall.com/lists/oss-security/2010/10/06/6</a> <a href="http://lkml.indiana.edu/hypermail//linux/kernel/1009.1/03385.html">http://lkml.indiana.edu/hypermail//linux/kernel/1009.1/03385.html</a> Acknowledgements: Red Hat would like to thank Dan Rosenberg for reporting this issue.

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
debian/linux-2.6
Linux Linux kernel=2.6.36-rc2
Linux Linux kernel=2.6.36-rc1
Linux Linux kernel=2.6.36-rc5
Linux Linux kernel=2.6.36-rc3
Linux Linux kernel=2.6.36-rc4
Linux Linux kernel<2.6.36
Linux Linux kernel=2.6.36
SUSE Linux Enterprise Server=10-sp3
openSUSE openSUSE=11.2
openSUSE openSUSE=11.3
SUSE Linux Enterprise Desktop=10-sp3
SUSE Linux Enterprise Software Development Kit=10-sp3
Suse Linux Enterprise Real Time Extension=11-sp1
Debian Debian Linux=5.0

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