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CVE-2008-2729

Published: 30 June 2008

arch/x86_64/lib/copy_user.S in the Linux kernel before 2.6.19 on some AMD64 systems does not erase destination memory locations after an exception during kernel memory copy, which allows local users to obtain sensitive information.

From the Ubuntu Security Team

The copy_to_user routine in the kernel did not correctly clear memory destination addresses when running on 64bit kernels. A local attacker could exploit this to gain access to sensitive kernel memory, leading to a loss of privacy.

Notes

AuthorNote
kees
backported to Dapper
Priority

Low

Status

Package Release Status
linux
Launchpad, Ubuntu, Debian
dapper Does not exist

edgy Does not exist

feisty Does not exist

gutsy Does not exist

hardy Not vulnerable

upstream
Released (2.6.19~rc1)
Patches:
vendor: ftp://updates.redhat.com/enterprise/4AS/en/os/SRPMS/kernel-2.6.9-67.0.20.EL.src.rpm:SOURCES/linux-2.6.9-x86_64-copy_user-zero-tail.patch
linux-source-2.6.15
Launchpad, Ubuntu, Debian
dapper
Released (2.6.15-52.69)
edgy Does not exist

feisty Does not exist

gutsy Does not exist

hardy Does not exist

upstream
Released (2.6.19~rc1)
linux-source-2.6.17
Launchpad, Ubuntu, Debian
dapper Does not exist

edgy Not vulnerable

feisty Does not exist

gutsy Does not exist

hardy Does not exist

upstream
Released (2.6.19~rc1)
linux-source-2.6.20
Launchpad, Ubuntu, Debian
dapper Does not exist

edgy Does not exist

feisty Not vulnerable

gutsy Does not exist

hardy Does not exist

upstream
Released (2.6.19~rc1)
linux-source-2.6.22
Launchpad, Ubuntu, Debian
dapper Does not exist

edgy Does not exist

feisty Does not exist

gutsy Not vulnerable

hardy Does not exist

upstream
Released (2.6.19~rc1)