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/openbmc/linux/security/integrity/
H A Ddigsig.cdiff b4bfec7f4a86424b114f94f41c4e1841ec102df3 Mon Aug 01 08:19:10 CDT 2016 Seth Forshee <seth.forshee@canonical.com> security/integrity: Harden against malformed xattrs

In general the handling of IMA/EVM xattrs is good, but I found
a few locations where either the xattr size or the value of the
type field in the xattr are not checked. Add a few simple checks
to these locations to prevent malformed or malicious xattrs from
causing problems.

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
/openbmc/linux/security/integrity/evm/
H A Devm_main.cdiff b4bfec7f4a86424b114f94f41c4e1841ec102df3 Mon Aug 01 08:19:10 CDT 2016 Seth Forshee <seth.forshee@canonical.com> security/integrity: Harden against malformed xattrs

In general the handling of IMA/EVM xattrs is good, but I found
a few locations where either the xattr size or the value of the
type field in the xattr are not checked. Add a few simple checks
to these locations to prevent malformed or malicious xattrs from
causing problems.

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
/openbmc/linux/security/integrity/ima/
H A Dima_appraise.cdiff b4bfec7f4a86424b114f94f41c4e1841ec102df3 Mon Aug 01 08:19:10 CDT 2016 Seth Forshee <seth.forshee@canonical.com> security/integrity: Harden against malformed xattrs

In general the handling of IMA/EVM xattrs is good, but I found
a few locations where either the xattr size or the value of the
type field in the xattr are not checked. Add a few simple checks
to these locations to prevent malformed or malicious xattrs from
causing problems.

Signed-off-by: Seth Forshee <seth.forshee@canonical.com>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>