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/1831638
Title:
Remote denial of service (resource exhaustion) caused by TCP SACK
scoreboard manipulation
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 (resource exhaustion) via a maliciously crafted sequence of
TCP SACKs.
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1831638/+subscriptions
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