kernel-packages team mailing list archive

[Dave Chiluk <1244627@xxxxxxxxxxxxxxxxxx>]

@pkern-l 
linux-generic-lts-saucy is available and supported in precise.

The source base between linux-generic-lts-saucy and kernels in saucy are
built from the same sources.

As for creating a new flavor, creating additional flavors is avoided at
all cost.  Each additional flavor requires additional testing and other
maintenance.

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https://bugs.launchpad.net/bugs/1244627

Title:
  Please enable CONFIG_IMA in the ubuntu kernel

Status in “linux” package in Ubuntu:
  Fix Released
Status in “linux” source package in Saucy:
  Opinion
Status in “linux” source package in Trusty:
  Fix Released

Bug description:
  I would be doubly happy if this also went into the raring backport
  kernel.

  I chatted with apw and kees on #ubuntu-kernel earlier in the week.
  From a security engineer on our team:

  so I was mistaken. if CONFIG_IMA=y, the default policy is NULL unless
  you boot with ima_tcb=on. without ima_tcb=y, nothing is measured,
  nothing is audited, no performance/memory hit is incurred.

  Same is true for CONFIG_IMA_APPRAISE, except with the
  ima_appraise_tcb=on commandline parameter. ima appraise gives us the
  ability to sign binaries at installation time and check the signature
  at runtime.

  So we are asking that you enable CONFIG_IMA, but to not enable it via
  the kernel command line options. IMA would boot with an empty policy
  and should incur no overhead. Enterprising folks who want to run IMA
  can enable it in grub at their option.

  CONFIG_IMA=y

  and possibly:

  CONFIG_IMA_MEASURE_PCR_IDX=10
  CONFIG_IMA_AUDIT=y
  CONFIG_IMA_LSM_RULES=y

  -A

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