An issue was discovered in net/netfilter/nf_tables_api.c in the Linux kernel before 5.19.6. A denial of service can occur upon binding to an already bound chain.
https://twitter.com/pr0Ln
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
https://github.com/torvalds/linux/commit/e02f0d3970404bfea385b6edb86f2d936db0ea2b
https://lore.kernel.org/all/20220824220330.64283-12-pablo%40netfilter.org/
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.6
Source: Mitre, NVD
Published: 2022-09-02
Updated: 2023-11-07
Base Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C
Severity: Medium
Base Score: 5.5
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.00037