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readykernel-patch-183.5-137.1-1.vl7

Kernel Update Version:
3.10.0-1160.41.1.vz7.183.5
Release Date:
2022-03-02 08:28:02
  • PSBM-136851

    Potential memory corruption in nfsd4_lock().

  • PSBM-136295

    fs/locks.c: Node crash BUG in locks_insert_block().

  • PSBM-136369

    fs: potential kernel crash in inode_permission() when processing paths containing '..'.

  • PSBM-134905

    nfsd: memory corruption and kernel crash in nfsd4_lock.

    It was discovered that certain operations with locks on NFS could result in a memory corruption and kernel crash in nfsd4_lock(). Note that, although the patch prevents new issues of this kind, it cannot fix the corruptions that have already occurred. So, kernel crashes are still possible even within a few hours after the ReadyKernel update has been applied, but should disappear after the reboot of the affected nodes.
  • PSBM-131551

    Virtual machines might fail to start on a host with AMD Milan CPU.

    It was discovered that virtual machines on the hosts with AMD Milan CPUs could try to set IA32_SPEC_CTRL MSR during their startup and would fail to start: qemu-kvm would be killed by SIGABRT.
  • PSBM-134323

    Memory allocation failed unexpectedly in __add_to_page_cache_locked().

    Ext4 FS was unexpectedly remounted read-only in a container after the container reached the limits set in the memory cgroup. It happened because the relevant memory allocations failed in __add_to_page_cache_locked while __GFP_NOFAIL flag was dropped for certain reason.