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Jarkko Sakkinen
5966e4e2ba
commitcb481e59eaupstream. The length for the internal output buffer is calculated incorrectly, which can result overflow when a too small buffer is provided. Fix the bug by allocating internal output with the size of the maximum length of the cryptographic primitive instead of caller provided size. Link: https://lore.kernel.org/keyrings/20260531024914.3712130-1-jarkko@kernel.org/ Cc: stable@vger.kernel.org # v4.20+ Fixes:00d60fd3b9("KEYS: Provide keyctls to drive the new key type ops for asymmetric keys [ver #2]") Reported-by: Alessandro Groppo <ale.grpp@gmail.com> Tested-by: Alessandro Groppo <ale.grpp@gmail.com> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.