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The Linux kernel through 3.17.4 does not properly restrict dropping of supplemental group memberships in certain namespace scenarios, which allows local users to bypass intended file permissions by leveraging a POSIX ACL containing an entry for the group category that is more restrictive than the entry for the other category, aka a "negative groups" issue, related to kernel/groups.c, kernel/uid16.c, and kernel/user_namespace.c.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | Nov 30, 2014 |
| Oracle_linux | — | Upgrade kernel-uek | Oct 16, 2024 | Nov 30, 2014 |
| Suse | — | Upgrade kernel-default | Feb 2, 2016 | Nov 29, 2014 |
| Ubuntu | — | Upgrade linux-image-3.16.0-31-powerpc64-embUpgrade linux-image-3.13.0-46-genericUpgrade linux-image-3.16.0-31-generic-lpaeUpgrade linux-image-3.13.0-46-powerpc-smpUpgrade linux-image-3.16.0-31-powerpc-smpUpgrade linux-image-3.13.0-46-powerpc64-embUpgrade linux-image-3.16.0-31-genericUpgrade linux-image-3.13.0-46-lowlatencyUpgrade linux-image-3.13.0-46-powerpc64-smpUpgrade linux-image-3.16.0-31-powerpc64-smpUpgrade linux-image-3.16.0-31-powerpc-e500mcUpgrade linux-image-3.16.0-31-lowlatencyUpgrade linux-image-3.13.0-46-generic-lpaeUpgrade linux-image-3.13.0-46-powerpc-e500Upgrade linux-image-3.13.0-46-powerpc-e500mc | Nov 8, 2024 | Nov 30, 2014 |
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