CVE-2021-46913
kernel: netfilter: nftables: clone set element expression template
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Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 27, 2024
Updated · August 5, 2026
Description
A denial of service flaw was found in netfilter's nftable sub component in the Linux Kernel. The connlimit garbage collector may crash when walking on the list head copy.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-20 · Improper Input Validation