Linux kernel built with the User-space interface for hash algorithms
(CONFIG_CRYPTO_USER_API_HASH) and User-space interface for symmetric key
cipher algorithms (CONFIG_CRYPTO_USER_API_SKCIPHER) support is vulnerable
to an information leakage flaw. It occurs while receiving messages via
A user/program could use this flaw to leak kernel memory bytes.
This issue does not affect the versions of Linux kernel as shipped with
Red Hat Enterprise Linux 5 and Red Hat Enterprise Linux 6.
This issue affects the version of the kernel package as shipped with
Red Hat Enterprise MRG 2. Future kernel updates for Red Hat Enterprise MRG 2
may address this issue.
Created kernel tracking bugs for this issue
Affects: fedora-all [bug 956168]
kernel-3.8.8-203.fc18 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report.
kernel-3.8.11-100.fc17 has been pushed to the Fedora 17 stable repository. If problems still persist, please make note of it in this bug report.
This issue has been addressed in following products:
MRG for RHEL-6 v.2
Via RHSA-2013:0829 https://rhn.redhat.com/errata/RHSA-2013-0829.html