https://wiki.openvz.org/index.php?title=Download/kernel/rhel6/042stab076.5/changes&feed=atom&action=historyDownload/kernel/rhel6/042stab076.5/changes - Revision history2024-03-28T22:40:36ZRevision history for this page on the wikiMediaWiki 1.31.1https://wiki.openvz.org/index.php?title=Download/kernel/rhel6/042stab076.5/changes&diff=13587&oldid=prevKir: rm See also2013-04-01T15:45:02Z<p>rm See also</p>
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</table>Kirhttps://wiki.openvz.org/index.php?title=Download/kernel/rhel6/042stab076.5/changes&diff=13586&oldid=prevKir: created2013-04-01T15:42:57Z<p>created</p>
<p><b>New page</b></p><div>== Changes ==<br />
Since {{kernel link|rhel6|042stab075.2}}:<br />
<!-- 076.5 --><br />
* [security] A flaw was found in the way the xen_iret() function in the Linux kernel used the DS (the CPU's Data Segment) register. A local, unprivileged user in a 32-bit, para-virtualized Xen hypervisor guest could use this flaw to crash the guest or, potentially, escalate their privileges. (CVE-2013-0228, Important)<br />
* [security] A flaw was found in the way file permission checks for the "/dev/cpu/[x]/msr" files were performed in restricted root environments (for example, when using a capability-based security model). A local user with the ability to write to these files could use this flaw to escalate their privileges to kernel level, for example, by writing to the SYSENTER_EIP_MSR register. (CVE-2013-0268, Important)<br />
<!-- 076.3 --><br />
* [nfs] redundant clear_inode() led to a memory corruption, which led to the kernel panic (PSBM-18863)<br />
<!-- 076.2 --><br />
* [sunrpc] forgotten socket write lock in case rpc_task exists early, this caused all operations on NFS volume to hang (PCLIN-31604)<br />
* [tmpfs] avoid the crash by not releasing the mempolicy if shmem_parse_options() doesn't create a new mpol by remounting without mpol= mount option (PSBM-18650)<br />
* [ext4] container should not be able to remount ploop with mount option 'errors=panic'<br />
* [fs] forbid filesystem mount options (on remount inside a CT) if white list was not provided<br />
* [cpt] 64bit child process of 32bit parent should report x86_64 arch even after vzreboot/online migration. This fixes Plesk functioning in particular after vzreboot/online migration (PSBM-18085)<br />
* [cpt] if parent process has PER_LINUX32 and child has 0, it should stay the same way after cpt/rst. Before this fix cpt/rst cycle made PER_LINUX32 in both processes<br />
* [pfcache] hide mount options 'pfcache_csum' and 'pfcache' inside a CT. They are useless inside a CT anyway and produces kernel warnings on remounts (PSBM-18807)<br />
* [nfs/quota] fixed crash on a kernel compiled without NFS quota<br />
* [scheduler] the effective cpulimit could be sometimes lower than assigned (PSBM-17399)<br />
<!-- 042stab076.1 --><br />
* [fs/nfsd] fixed mnt_{get/drop} balance, the imbalance could cause random memory corruptions ({{B|2506}})<br />
<br />
=== See also ===</div>Kir