This bug was fixed in the package linux - 4.15.0-184.194
---------------
linux (4.15.0-184.194) bionic; urgency=medium
* CVE-2022-1966
- netfilter: nf_tables: disallow non-stateful expression in sets earlier
-- Thadeu Lima de Souza Cascardo <[email protected]> Thu, 02 Jun
2022 15:36:51 -0300
** Changed in: linux (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1971480
Title:
issuing invalid ioctl to /dev/vsock may spam dmesg
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
In Progress
Status in linux source package in Bionic:
Fix Released
Status in linux source package in Focal:
Fix Released
Bug description:
[Impact]
Any user may spam dmesg may issuing an invalid ioctl to /dev/vsock.
[Fix]
Do not print anything to dmesg when an invalid ioctl is issued to /dev/vsock.
[Test case]
ioctl(open("/dev/vsock", O_RDONLY), garbage, 0);
[Potential regression]
vsock users may regress.
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