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[Bug 1831637] Re: Remote denial of service (system crash) caused by integer overflow in TCP SACK handling

 

Ubuntu 14.04 ESM's base kernel was fixed with version 3.13.0-171.222.
Ubuntu 12.04 ESM's base kernel was fixed with version 3.2.0-141.188.

** Changed in: linux (Ubuntu Trusty)
       Status: New => Fix Released

** Changed in: linux (Ubuntu Precise)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1831637

Title:
  Remote denial of service (system crash) caused by integer overflow in
  TCP SACK handling

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Precise:
  Fix Released
Status in linux source package in Trusty:
  Fix Released
Status in linux source package in Xenial:
  Fix Released
Status in linux source package in Bionic:
  Fix Released
Status in linux source package in Cosmic:
  Fix Released
Status in linux source package in Disco:
  Fix Released

Bug description:
  Jonathan Looney discovered that a remote attacker could cause a denial
  of service (system crash) via a maliciously crafted TCP session and a
  certain sequence of SACKs.

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