|Bugzilla:||1064253: CVE-2014-0069 kernel: cifs: incorrect handling of bogus user pointers during uncached writes|
The MITRE CVE dictionary describes this issue as:
The cifs_iovec_write function in fs/cifs/file.c in the Linux kernel through 3.13.5 does not properly handle uncached write operations that copy fewer than the requested number of bytes, which allows local users to obtain sensitive information from kernel memory, cause a denial of service (memory corruption and system crash), or possibly gain privileges via a writev system call with a crafted pointer.
This issue did not affect the versions of Linux kernel as shipped with Red Hat Enterprise Linux 5.
CVSS v2 metrics
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Red Hat security errata
|MRG Grid for RHEL 6 Server v.2 (kernel-rt)||RHSA-2014:0439||April 28, 2014|
|Red Hat Enterprise Linux version 6 (kernel)||RHSA-2014:0328||March 25, 2014|
Red Hat would like to thank Al Viro for reporting this issue.
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For clarification or corrections please contact the Red Hat Security Response Team.