*** This bug is a security vulnerability ***
Private security bug reported:
[Impact]
When adding objects/sets/elements on the same nftables netlink batch, there can
be cross-table references. When a table is deleted, references to freed objects
may be left, leading to use-after-free vulnerabilities.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Information type changed from Public to Private Security
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https://bugs.launchpad.net/bugs/1983154
Title:
nft allows references to objects on different tables
Status in linux package in Ubuntu:
New
Bug description:
[Impact]
When adding objects/sets/elements on the same nftables netlink batch, there
can be cross-table references. When a table is deleted, references to freed
objects may be left, leading to use-after-free vulnerabilities.
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