** Changed in: linux-raspi2 (Ubuntu Xenial)
Status: Invalid => Fix Committed
** Description changed:
- kernel keyring bad reference count leads to use-after-free, possibly
- resulting in arbitrary code execution in the kernel.
+ The join_session_keyring function in security/keys/process_keys.c in the
+ Linux kernel before 4.4.1 mishandles object references in a certain
+ error case, which allows local users to gain privileges or cause a
+ denial of service (integer overflow and use-after-free) via crafted
+ keyctl commands.
Break-Fix: 3a50597de8635cd05133bd12c95681c82fe7b878
23567fd052a9abb6d67fe8e7a9ccdd9800a540f2
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https://bugs.launchpad.net/bugs/1534887
Title:
CVE-2016-0728
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