This bug was fixed in the package linux-oem - 4.15.0-1043.48
---------------
linux-oem (4.15.0-1043.48) bionic; urgency=medium
[ Ubuntu: 4.15.0-52.56 ]
* 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> Fri, 14 Jun 2019 10:39:16
+0200
** Changed in: linux-oem (Ubuntu Cosmic)
Status: Invalid => Fix Released
** Changed in: linux-oem (Ubuntu Disco)
Status: Invalid => Fix Released
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https://bugs.launchpad.net/bugs/1831828
Title:
[SRU][B/B-OEM/C/D/OEM-OSP1] Add RTL8822 wifi driver rtw88
Status in HWE Next:
New
Status in linux package in Ubuntu:
Invalid
Status in linux-oem package in Ubuntu:
Invalid
Status in linux-oem-osp1 package in Ubuntu:
Invalid
Status in linux source package in Bionic:
New
Status in linux-oem source package in Bionic:
Fix Released
Status in linux-oem-osp1 source package in Bionic:
New
Status in linux source package in Cosmic:
New
Status in linux-oem source package in Cosmic:
Fix Released
Status in linux-oem-osp1 source package in Cosmic:
Invalid
Status in linux source package in Disco:
New
Status in linux-oem source package in Disco:
Fix Released
Status in linux-oem-osp1 source package in Disco:
Invalid
Bug description:
SRU justification:
[Impact]
RTL8822BE/RTL8822CE need new driver rtw88 supports.
[Fix]
This is a new mac80211 driver for Realtek 802.11ac wireless network chips.
And it needs new firmware too.
[Test]
Verified on hardware. Tests result are good.
[Regression Potential]
Low, it introducs the new driver to enable new wifi chips supports.
2 more upstream commits are introduced:
e7d4a95da bitfield: fix *_encode_bits()
00b0c9b82 Add primitives for manipulating bitfields both in host- and
fixed-endian.
These 2 commits add "le32p_replace_bits" functions that rtw88 uses.
They introduced new operator of bitfields since 4.16 kernel, don't change
exsit funtions.
C/D/OEM-OSP-1 don't need these 2 patches.
These firmwares are already in disco.
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