CVE-2026-23391
Published: Mar 25, 2026
Modified: May 11, 2026
CVSS v3.1
7.8
Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_CT: drop pending enqueued packets on template removal Templates refer to objects that can go away while packets are sitting in nfqueue refer to: - helper, this can be an issue on module removal. - timeout policy, nfnetlink_cttimeout might remove it. The use of templates with zone and event cache filter are safe, since this just copies values. Flush these enqueued packets in case the template rule gets removed.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 24de58f465165298aaa8f286b2592f0163706cfe - < 55445134d42b84cb0a272e42c98d233ca65eca83affected 24de58f465165298aaa8f286b2592f0163706cfe - < cc57506dd66555899560b9c0f24e813f034e12ecaffected 24de58f465165298aaa8f286b2592f0163706cfe - < d2d0bae0c9a2a17b6990a2966f5cdce0813d6256affected 24de58f465165298aaa8f286b2592f0163706cfe - < 63b8097cea1923fe82cd598068d0796da8c015ecaffected 24de58f465165298aaa8f286b2592f0163706cfe - < 19a230dec6bb8928e3f96387f9085cf2c79bcef9+3 more versions |
Linux | Linux | affected 3.4unaffected 0 - < 3.4unaffected 5.10.253 - <= 5.10.*unaffected 5.15.203 - <= 5.15.*unaffected 6.1.167 - <= 6.1.*+5 more versions |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now