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Linux kernel built with the iso9660 file system(CONFIG_ISO9660_FS) support is vulnerable to an information leakage flaw. This could occur while accessing data on an iso9660 image with RockRidge extension reference(ER) records. An unprivileged user/process could use this flaw to leak (=~255)kernel memory bytes. Upstream fix: ------------- -> https://git.kernel.org/linus/4e2024624e678f0ebb916e6192bd23c1f9fdf696
Statement: This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 5, 6, 7 and Red Hat Enterprise MRG 2. Future kernel updates for the respective releases may address this issue. Red Hat Enterprise Linux 5 is now in Production 3 phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
Acknowledgements: Red Hat would like to thank Carl Henrik Lunde for reporting this issue.
Created kernel tracking bugs for this issue Affects: fedora-all [bug 1180480]
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Via RHSA-2015:0864 https://rhn.redhat.com/errata/RHSA-2015-0864.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2015:1139 https://rhn.redhat.com/errata/RHSA-2015-1139.html
This issue has been addressed in the following products: MRG for RHEL-6 v.2 Via RHSA-2015:1138 https://rhn.redhat.com/errata/RHSA-2015-1138.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2015:1137 https://rhn.redhat.com/errata/RHSA-2015-1137.html