This bug was fixed in the package linux - 5.0.0-17.18
---------------
linux (5.0.0-17.18) disco; urgency=medium
* Remote denial of service (resource exhaustion) caused by TCP SACK scoreboard
manipulation (LP: #1831638)
- SAUCE: tcp: tcp_fragment() should apply sane memory limits
* Remote denial of service (system crash) caused by integer overflow in TCP
SACK handling (LP: #1831637)
- SAUCE: tcp: limit payload size of sacked skbs
-- Stefan Bader <stefan.ba...@canonical.com> Tue, 04 Jun 2019 17:22:50
+0200
** Changed in: linux (Ubuntu)
Status: In Progress => 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
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