Issue date: 2015-10-22
1. What's Included in This Update
This update includes a new Parallels Virtuozzo Containers for Linux 4.7 kernel (2.6.32-042stab112.15) based on the Red Hat Enterprise Linux 6.7 kernel (2.6.32-573.7.1.el6). The new kernel is a rebase to a new Red Hat Enterprise Linux kernel. It also introduces security and stability fixes.
2. Bug Fixes
CPT suspend of a ploop container could lead to a crash in add_extent_mapping(). (#PSBM-26762)
In certain circumstances, host node could hang on memory allocation inside ext4_writepages(). (#PSBM-39335)
DRM/i915: crash on boot in intel_cleanup_ring_buffer(). (#PSBM-39657)
Infinite loop in fuse_fill_write_pages(). (#PSBM-40379)
Uninterruptable hang in sendfile. (#PSBM-40387)
Crash when attempting to garbage-collect an uninstantiated keyring. (#PSBM-40458, CVE-2015-7872)
Use-after-free in unix_dgram_poll(). (#PSBM-40459)
Performance degradation when starting systemd-based containers. (#OVZ-6510)
Crash on mount of corrupted ext4 filesystem. (#OVZ-6541)
RDS: verify the underlying transport exists before creating a connection. (CVE-2015-6937)
Minor memory leaks and performance optimizations.
- Non-security issues in RHSA-2015-1272, RHBA-2015-1466, RHSA-2015-1623, RHBA-2015-1827.
3. Obtaining the Update
You can download and install the update using the vzup2date utility included in the Parallels Virtuozzo Containers for Linux 4.7 distribution set.
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