The copy_from_user function in the uaccess code in Linux kernel...
Vulnerability Description
The copy_from_user function in the uaccess code in Linux kernel 2.6 before 2.6.19-rc1, when running on s390, does not properly clear a kernel buffer, which allows local user space programs to read portions of kernel memory by "appending to a file from a bad address," which triggers a fault that prevents the unused memory from being cleared in the kernel buffer.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://lkml.org/lkml/2006/11/5/46
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9885
- http://www.novell.com/linux/security/advisories/2006_79_kernel.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/29378
- http://www.securityfocus.com/bid/20379
- http://rhn.redhat.com/errata/RHSA-2007-0014.html
- http://www.vupen.com/english/advisories/2006/3938
- http://support.avaya.com/elmodocs2/security/ASA-2007-063.htm
- http://www.us.debian.org/security/2006/dsa-1237
- http://secunia.com/advisories/24206
- http://securitytracker.com/id?1017090
- http://secunia.com/advisories/23474
- http://secunia.com/advisories/23064
- http://www.us.debian.org/security/2006/dsa-1233
- http://secunia.com/advisories/23370
- http://secunia.com/advisories/23997
- http://support.avaya.com/elmodocs2/security/ASA-2006-254.htm
- http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=52149ba6b0ddf3e9d965257cc0513193650b3ea8
- http://secunia.com/advisories/22497
- http://www.redhat.com/support/errata/RHSA-2006-0710.html
- http://secunia.com/advisories/23395
- http://secunia.com/advisories/22289
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Weaknesses (CWE)
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