This bug was fixed in the package linux - 5.4.0-117.132
---------------
linux (5.4.0-117.132) focal; urgency=medium
* CVE-2022-1966
- netfilter: nf_tables: add nft_set_elem_expr_alloc()
- netfilter: nf_tables: disallow non-stateful expression in sets earlier
-- Thadeu Lima de Souza Cascardo <[email protected]> Wed, 01 Jun
2022 20:07:42 -0300
** Changed in: linux (Ubuntu Focal)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2022-1966
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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 Committed
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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